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UH200, UH200B - Champion Industries

1. i i FI be Min Max kPa Adjustable Time 0 10 20 30 40 50 Fill Rinse Valve WASH CYCLE 60 sec 0 10 20 30 40 50 60 70 80 90 Wash Pump Note 1 Machine drains until water level drops below the bottom LOW water level sensor probe 0 10 20 30 40 50 60 70 80 90 Drain Valve Drain Pump Note 2 Final Rinse for 11 secs after water level drops 11 sec Note 2 below the bottom LOW water level sensor probe 0 10 20 30 40 50 60 70 80 90 Fill Rinse Valve Note 3 Solid state timer control prevents detergent pump 2 7 4 2 7 7 2 from running longer than LLLI IT TI ITI I LT LIII time required to fill refill 0 10 20 30 40 50 60 70 80 90 wash tank Detergent Pump Note 4 Solid state timer control prevents the rinse aid pump from running after the T fill rinse valve closes 0 10 20 30 40 50 60 70 80 90 Rinse aid Pump AUTO SHUTDOWN CYCLE 20 sec 60 sec LITIILTLLILILLLLLLLLLLILLLLLLLTLLLILLTLLILILLTLLILLTLLLLI 0 10 20 30 4 50 60 70 80 90 Drain Valve Drain Pump 10 sec LITITLTLLILILLLLLLLLLILLTLTLILITLILTLLILITLILTLTLILILILTLLIILIILTLLLI 0 10 20 30 40 50 60 70 80 90 Rinse Fill Valve Figure 6 2 1 Timing C hart 200B UH 200 47 Part6 SERVICE
2. Drain __ Wash Tank Valve Hi limit Water Level Probe Rz Wash Tank Wash Pump Wash Tank UH 200 series Thermistor Contactor Heater Fill Rinse Main Booster lt A Solenoid Valve ower RS Terminal gt Hi limit cr Block lt gt Booster gt Booster Tank Tank Thermistor UH 200B 10 Point Terminal Block Installation S ervice S witch UH 200B crut Breaker Figure 8 1 1 Electrical Component L ocator Diagram 80 Part8 COMPONENT REPAIR AND REPLACEMENT 8 1 2 Electrical Component Locator Diagram Component Descriptions Wash pump Drain pump Drain valve Wash pump contactor Wash tank heat contactor Main power terminal block 10 point terminal block Booster tank heat contactor Installation service switch Circuit breaker Booster tank High limit thermostat Thermistor Water level probe Pressure transducer Wash tank heater Door safety switch Mounted right side of base Mounted rear of base Drain pump works simultaneously with drain valve to pump water out of the dishwasher Mounted on bracket right front of base 120VAC from timer control board energizes contactor coil Mounted on bracket right front of base 120VAC from temperature display board energizes contactor coil Mounted on bracket right front of base Main
3. usem a 1945 J9MOd 1 1 1 1 f we 2 Aeidsia NSS uo GND Q q31 esuly ysem 0 D 0 pg 04 SMAS Pg 2 5 pedysnoL Figure 7 4 3 Touchpad Display Connector Diagram 68 Part 7 SOLID STATE CIRCUIT BOARDS 7 4 3 Touchpad Display Referto Fig 7 4 2 page 66 and the instructions on page 68 and the test point descriptions below Touchpad Display Connectors Status LED 4 pin cable connects to CN4 on the Timer Control Board LED sare Power Start and Extended Wash There are no test points on the cable Wash cable connects to 5 on the Temperature Pressure Display Board Rinse LED sare Wash and Rinse For Models UH 200B UH 200 only LED There are no test points on the cable Cable Touchpad Pushbutton Cable 8 pin cable connects to CN2 on the Timer Control Board To test the pushbuttons 1 Disconnect the cable from CN2 on the timer board 2 Gently fold the cable connector back to reveal the contacts on the backside of the connector 3 sure the cable is oriented to match the detail in Fig 7 4 3 4 Connect the VOM and press the pushbutton to check for continuity
4. Transducer ona Pin 9e Pin 1 Pin 10 Eee 5 Fuse pin 2 250VAC Timer Control Board CN3 ToTouchpad Display Wash Rinse LED s T3 lt To Fused Hot T1 UH 200B UH 200 Only Pin 1 Fused Hot on Timer Control Board UH 200B UH 200 Only Pressure Display UH 200B UH 200 Only Temperature Display All Models gt NOTE Red stripe on cable indicates PIN 1 location Figure 7 4 2 Temperature Display Board Connector Diagram 66 Part 7 SOLID STATE CIRCUIT BOARDS 7 4 2 Temperature Pressure Display Board Refer to Fig 7 4 2 and the instructions on page 66 and the test point descriptions below Temperature Pressure Display Board Connectors CN1 CN2 CN3 CN4 CN5 TLT2 T3 10 pin connector accepts the cable from the Timer Control Board There are no test points on 1 4 pin connector accepts the cable from the pressure transducer UH 200B UH 200 only There are no test points on CN2 6 pin connector accepts the wiring harness connector Connector contains inputs from the thermistor probes Disconnect the connector from the board and check thermistor wires with VOM set to Ohms Compare with actual temperature of water Thermistor Resistance Chart Approx Ohms 80 F 27 C 90 F 32 C 100 F 38 C 150 F 66 C 160 F 71 C 170 F 77 C 180 F 82 C 190 F 88 C 200 F 93 C 210 F 99 C 110 F 43 C 1
5. 1 INSTALLATION KIT RINSE AID PUMP INCLUDES ITEMS 1 18 REPLACEMENT PARTS Part 9 Figure 9 17 Dishracks Line Strainer PRV All M odels Fig 9 17 Part Item No 101273 101285 104421 107550 m Part 9 REPLACEMENT PARTS DISHRACKS LINE STRAINER AND PRV ALL MODELS Part Description DISHRACK FLAT BOTTOM DISHRACK PEG eisen STRAINER LINE 1 2 UH 200B UH 200 ONLY VALVE PRESSURE REDUCING PRV OPTIONAL 3 4 UH 200B UH 200 Part 10 ELECTRICAL SCHEMATICS This Page Intentionally Left Blank Part 10 ELECTRICAL SCHEMATICS PART 10 ELECTRICAL SCHEMATICS In This Part Electrical Schematics by and Phase Part 10 ELECTRICAL SCHEMATICS This Page Intentionally Left Blank 138 Part 10 ELECTRICAL SCHEMATICS TO CUSTOMERS DISCONNECT SWITCH PER LOCAL ELECTRICAL CODE 110 120 60 1 3 WIRE Sr UH 200 GND SINGLE PHASE o w HC 28 DRP DRAIN PUMP 2 DOOR SAFETY SWITCH 29 DRAIN VALVE 30 RINSE FILL VALVE HEATER CONTACTOR COIL TANK HEAT HEATER CONTACTS HLTH HIGH LIMIT TANK HEATER 1 DP DETERGENT PUMP OPTIONAL HLTH 1 rap RINSE AID PUMP OPTIONAL EUST WASH MOTOR CONTACTS DSS GND DIAGRAM STATE POWER OFF 18 DOOR CLOSED 14 END OF CYCLE
6. 1 10 112791 BLOCK TERMINAL 75A 300V SINGLE PHASE 1 0509527 BLOCK TERMINAL THREE PHASE 1 11 109345 SCREW 8 32 X 7 8 55 0 066 1 0 0501373 SWITCH 3 POSITION 200 000000 1 13 112769 BREAKER CIRCUIT 8A 0 0 6 1 14 322681 BRACKET BOOSTER 1 UH 200B SINGLE PHASE 322692 BRACKET BOOSTER 1 UH 200B THREE PHASE 15 112518 CONTACTOR 40 2P 120V COIL 200 1 SINGLE PHASE BOOSTER HEATER 111826 CONTACTOR 50A 120V COIL 200 1 THREE PHASE BOOSTER HEATER 16 110068 5 5 1 1 2 0 00 4 0 6 1 17 0503574 BUSHING STRAIN 0 1 18 106482 WASHER LOCK 1 4 cannes vet tinue e deter teases 2 19 107967 NUT GRIP W NY LON INSERT 1 4 1 REPLACEMENT PARTS Part 9 enu i OL 00Z HN 8002 ue Jo seas OL 00Z HN 8002 OL ML Jo Figure 9 15 ptional Detergent Pump
7. Improperly scraped dishes Ware improperly placed in rack Scrap screens full of debris Wash water not drained completely See Low or no water condition Clean Check and replenish supplies Contact service agent Contact detergent supplier W rong type of detergent Too much detergent injected M ay require rinse aid dispenser See condition W ash water Temperature is low See Section 3 3 page 30 U se proper racks Do not overload racks Clean screens Check drain hose rear of machine for kinks M ake sure hose has smooth bends M achine won t drain and or overflows Drain hose rear of machine kinked Drain pump drain valve clogged Water level control defective UH 200B UH 200 Only Fill Setting POWER LOSS when machine ON machine refilled when POWER button was pushed after power loss M ake sure hose has smooth bends Contact service agent Contact service agent Contact service agent Turn off water supply Push POWER button ON Push POWER button OFF to begin auto shutdown cycle W hen machine shuts off Turn water supply on Push POWER button to refill Part 6 SERVICE TROUBLESHOOTING PART6 SERVICE TROUBLESHOOTING 6 1 Introduction In This Part Sequence of Operation Timing Charts Error Codes Troubleshooting Guidel
8. BEFORE YOU BEGIN TESTING A CIRCUIT DON T FORGET If the dishwasher POWER pushbutton is pressed when the machine is ON the dishwasher will automatically enter the auto shutdown mode If the main incoming power is interrupted while the dishwasher is powered ON from the POWER pushbutton then after the main incoming power is restored the dishwasher will auto fill when the POWER pushbutton is pressed Refer to page 59 The Dishwasher Has Overfilled if you encounter an overfilled condition during test procedures Refer to Section 7 3 2 pages 56 57 and Section 7 3 4 page 57 for the description of LED status lights on the solid state circuit boards Part 7 SOLID STATE CIRCUIT BOARDS 7 4 CircuitBoard Test Points and Connectors Cont 7 4 1 Timer Control and Time Select Fill Chemical Dispenser Board Refer to Fig 7 4 1 and the instructions on page 65 From To Temperature Pressure Temperature Display Board T1 Display Board 1 8 esa All Models Fused Hot Sees gt Neutral pi Pin 1 To Touchpad Display To Time Select s status LED s ical Di in Fill Chemical Dispenser Boards EI Common FEEF AC Hot Low Probe E CN6 Sanitizer Pump Middle Probe JB3 m Pin 1 Rinse Aid Pump Limit Probe JE Pin 10 Detergent Pump uH 2008 81 Be Ping UH 200 Only lt Touc
9. Champion The Dishwashing Machine Specialists For machines beginning with Serial no U 2239 Technical Manual mm Umum Undercounter Dishwasher Model 2 High Temperature with Built in Booster UH 200B Fresh Water Final Rinse UH 200 High Temperature Fresh Water Final Rinse Model UH 200B Shown Machine Serial No J une 2005 Champion Manual P N 1 13247 Rev C O Box 4149 2674 N Service Road Winston Salem North Carolina 27115 4149 Jordan Station Ontario Canada LOR 150 336 661 1556 Fax 336 661 1660 905 562 4195 Fax 905 562 4618 www championindustries com Complete the information below for quick reference Model Number Serial Number Voltage and Phase Champion Parts Supplier Phone Champion Service Agency Phone Champion USA Champion Canada National Service Department National Service Department Phone 1 336 661 1556 Phone 1 905 562 4195 1 800 858 4477 1 800 263 5798 Fax 1 336 661 1660 Fax 1 905 562 4618 Note When calling to order parts be sure to have the model number serial number voltage and phase of your machine Machine Data Plate with model amp serial number located on the front ofthe lower panel COPYRIGHT 2005 by Champion Industries Inc All Rights Reserved REVISION RECORD REVISION RECORD Revision Revised Serial
10. emen 2 14 112536 HOSE UH 200B eter i n Et Pedes 1 15 112648 HOSE MOLDED meret tenere ete age 1 16 106482 WASHER LOCK nen 2 Part 9 REPLACEMENT PARTS Champion TEMPERATURE PRESSURE Figure 9 13 Solid State C ontrols All M odes Part 9 REPLACEMENT PARTS SOLID STATE CONTROLS ALL MODELS Fig 9 13 Part Item Part Description Qty 1 106090 PLATE ierit na ls 6 2 107966 NUT GRIP 10 32 W NY LON 6 3 103378 TIE CABLE SH e AIR 5 0503647 BUSHING STRAIN RELIEF UH 200B 200 1 6 112856 FASTENER PUSH N 2 7 112855 ee 1 8 112903 CEIP RETAINING eere 4 9 107967 NUT GRIP 1 4 W NY LON INSERT eee 2 10 106026 WASHER e dena 2 11 108954 NUT GRIP 6 32 W NY LON INSERT 00 0 20 10 12 112659 SWITCH MAGNETIC REED DOOR SAFETY 1 13 112741 HARNESS PRESSURE TRANSDUCER 1 14 112780 FUSE 2A 250V FAST ACTING 1 15 112627 B
11. 2 83 1409 60 C F Board F umper Settings select the MINIMUM temperature The control board maintains the temperature between the minimum selected tempera ture and the minimum temperature 4 F 2 C Figure 7 3 2 Temperature Pressure Display Board umpers and LED Status Lights cont 7 3 4 Temperature Pressure Display Board LED Status Lights Refer to Fig 7 3 2 pages 56 57 The circuit board has 3 red LED status lights that provide operational information POWER Indicates the Temperature Pressure Display Board is powered on WASH Indicates output voltage to wash tank heater contactor is enabled HEAT BOOSTER Indicates output voltage to booster heater contactor is enabled HEAT Applicable for model UH 200B only 57 Part 7 SOLID STATE CIRCUIT BOARDS 58 7 3 Replacement Circuit Board Set up Cont 7 3 5 Time Select Fill Chemical Dispenser Board The Time Select Fill Chemical Dispenser Board has 4 adjustable potentiometers Refer to Fig 7 2 1 Circuit Board L ayout page 53 for the location of the Time Select Board To Timer Adjustment Range Control Bd FILL 2 to 40 secs DETERGENT 1 to 30 secs SANITIZER 1 to 30 secs RINSE 7 3 1 to 30 secs Q 9 1 9 1 10 0 10 0 around P
12. Sanitizer pump output Rinse aid pump output Detergent pump output CN7 4pinconnector accepts the wiring harness connector UH 200B UH 200 only Remove harness connector and connect jumper between Common and LOW MIDDLE or LIMIT pin on circuit board to to check water level LED s Associated LED should illuminate on board when pins are jumped TLT2 Spade terminals on board 120VAC test points for power input T1 accepts AC Hot harness wire from Temperature Pressure Display Board to power water level control transformer UH 200B UH 200 Only and the wash pump fill rinse valve and drain pump drain valve All Models T2 accepts AC neutral harness wire All models T3 T4 Spade terminals on board accept wires from door safety switch Time Select Fill C hemical Dispenser Board Connectors 1 10 cable to the Timer Control Board Connector hard wired to board There are no test points on CN1 65 Part 7 SOLID STATE CIRCUIT BOARDS 7 4 Circuit Board Test Points and Connectors Cont 7 4 2 Temperature Pressure Display Board Refer to Fig 7 4 2 and the instructions on page 67 Input Power s 5 9 2 0 5 CcC 2 3 5 e 2 al cc lt Ec 522 o To Pressure
13. 6 4 Troubleshooting Guide The following checklist provides general guidelines for evaluating trouble conditions with the dishwasher Detailed troubleshooting flow charts are provided in Part 11 at the end of this manual STEP 1 The first step in troubleshooting the dishwasher is knowing how it works under normal conditions Review Part 3 Operation pages 27 34 for a description of proper loading operator controls and basic operating procedures STEP 2 Check the general condition of the dishwasher Does the dishwasher appear level Arethe spray arms and screens clean and in place Isthe door fully closed STEP 3 Some problems may be resolved by double checking the supply connections to your dishwasher Perform the following steps to double check the dishwasher service connections Push the POWER button on the dishwasher OFF then Turn the main power OFF at main service disconnect switch or fused circuit breaker If your dishwasher has a cord and plug disconnect the plug and reconnect Turn the main power ON and recheck the dishwasher operation Turn the dishwasher water supply valve OFF and back on again Check the flexible water supply hose at the rear of the machine Is it kinked Check the water temperature supplied to the dishwasher Are building water heaters operating correctly Check theflow of the building drain system Are any drains clogged or running slow Check the flexible drain hose at the rea
14. Booster heat on UH 200B only Wash LED illuminates indicating the temperature display is reading wash tank temperature nac PR ug ome 150F Champion WASH TEMPERATURE PRESSURE If the START button is pushed during initial fill the Start LED will illuminate indicating that a cycle has been selected but the machine will complete the fill before the cycle begins Run one automatic cycle WITHOUT DISHES to bring the dishwasher to operating temperature Push the START Button The Start LED illuminates and the automatic 90 second cycle begins Detergent pump adds detergent Wash pump runs for 60 seconds Wash pump stops machine drains a portion of the water out of the wash tank a EXTENDED WASH START 7 N TEMPERATURE PRESSURE Rinse LED illuminates indicating the temperature display is reading final rinse temperature Final rinse operates for 11 seconds Optional rinse aid pump injects rinse aid Final rinse temperature 180 F 82 C minimum Final rinse flowing pressure 20 51 138 kPa minimum Pressure display indicates final rinse flowing pressure Rinse LED goes out Start LED goes out Automatic cycle is complete Open door remove rack insert another rack and repeat Opening the door anytime during the cycle pauses the cycle Cycle resumes where itstopped when door is closed Pushing the POWER button stops the cycle and initiates the AUTO SHUTDOWN CYCLE 32 Part 3 DAILY OPERATION 3 5 1 Op
15. Compare the site connections with the dishwasher to ensure they will match when the machine is set in its permanent location gt NOTE Some local codes may require that the dishwasher be sealed to the floor with silicon or comparable sealing method 2 Lift the dishwasher and adjust the leveling feet out 3 Position dishwasher in its permanent location Minimum clearance between the rear of the machine and back wall is 3 76mm Minimum height of the machine with adjustable feet turned in fully is 33 3 4 858mm 4 Place a 3 ft level on top of the dishwasher or inside the dishwasher on the track assembly to level the dishwasher front to back A djust level by turning the adjustable feet Level side to side with the level placed on the top of the dishwasher 5 Pull the dishwasher out far enough to gain access to the rear and prepare utility connections A removable rear access door is located at the back of the machine 6 Install the rubber pads on the leveling feet prior to returning machine to its permanent position 2 4 Water Connections Thefollowing warning and attention statements apply to all dishwasher models WARNING The installation of this unit must conform to local codes or in the absence of local codes to all National Codes governing plumbing sanitation safety and good trade practices ATTENTION INSTALLER The dishwashers described in Section 2 4 1 are fitted with 6 ft 1829mm 1 2 1 D f
16. Part 2 Installation explains the installation of the dishwasher and describes the connection of utilities chemical dispensing pumps and initial start up Part3 Daily Operation explains operator controls and basic operation Part 4 Cleaning and M aintenance explains cleaning deliming preventive maintenance and lubrication Part5 explains basic troubleshooting for the operator Part6 explains basic troubleshooting for the service technician Parts 7 8 provide detailed repair procedures for the trained service technician Part9 contains parts diagrams and parts lists Part 10 contains electrical schematics gt NOTE U nless noted otherwise dimensions capacities temperatures etc given in this manual are U S Customary M easures and the Metric E quivalents of the U S customary measures Part 1 GENERAL SPECIFICATIONS 1 2 Model Numbers UH 200B The UH 200B is a high temperature 180 F 82 C sanitizing machine with a built in booster 40 F 22 C rise booster is standard requiring a minimum incoming water supply temperature of 140 F 60 C A 70 F 39 C rise booster is available which requires minimum incoming water supply temperature of 110 F 43 C The UH 200B is a fresh water rinse machine Final rinse water enters the final rinse spray system under line pressure A portion of the final rinse water is retained for the next wash cycle UH 200 The UH 200 is a high temperat
17. gt rinse aid pump if equipped gt 26 gt To sanitizer pump if equipped gt 54 To drain pump drain valve From Timer Control Bd lt 25 1 LI From Timer Control Bd lt 26 Sr Common lt 2 2 Common gt 4 zi eS Figure 8 1 2 10 IS Je 82 Part8 COMPONENT REPAIR AND REPLACEMENT 8 1 3 Troubleshooting the 10 point Terminal Board Cont Troubleshooting Procedure The following procedure is suggested as a method for troubleshooting a trouble condition 1 Identify the problem condition by observing machine operation Refer to Section 6 4 page 51 and the Troubleshooting Flow Charts in back of manual Turn POWER pushbutton off and back on to enter self diagnostics Check for error codes Refer to Section 6 3 page 49 Open the slide out control cabinet M ake sure door is fully closed then place a magnet on the door safety switch Observe LED s on the boards Refer to Part 7 page 54 Check for proper voltages on the components or the 10 point terminal board Check for defective high limits contactors etc Check for proper voltage outputs at the circuit board connectors Refer to Section 7 4 pages 63 69 Re
18. using tools near circuit board Handle the circuit board by its edges P Ha ONES 1 When reinstalling the board make sure the LED s are centered in the control cabinet windows 73 Part 7 SOLID STATE CIRCUIT BOARDS 74 7 5 Circuit Board Removal and Replacement Cont Refer to the General Notes on page 62 before proceeding with the instructions below WARNING When working on the dishwasher disconnect the electrical service and place a red tag at the disconnect switch to indicate work is being done on that circuit 7 5 3 Touchpad Display Removal and Replacement Refer to the pictures and instructions given below Special Tools R equired Sharp knife Acetone based cleaning fluid Scotch Brand or comparable transparent tape To remove the Touchpad Display 1 Turn power off at the dishwasher and the main power disconnect switch Open the front door Remove screws located in each corner of the hood Pull the slide out control cabinet out fully Fold back the protective mylar drip shield Note location then carefully disconnect display cables on the timer control board The UH 200B UH 200 has an additional cable connection on the temperature pressure display board 7 Useasharp knife to separate the touchpad display from the front of the control cabinet 8 Scrape excess adhesive from the control cabinet face then use a soft rag and an acetone based solvent to remove any remaining ad
19. 12 112867 SHIELD BASE FRONT 0 E 1 13 112919 GASKET BASE STRIP neis AA 4 14 107967 NUT GRIP 1 4 W NY LON INSERT eem 4 15 322662 GUIDE 1 16 322663 ana 1 17 0501418 SCREW 1 4 20 X 1 2 ROUND HD mH 8 18 100778 SCREW 1 4 20 X 3 8 TRUSS 2 19 107966 NUT GRIP 10 32 W NY LON INSERT Hn 2 20 107033 WASHER etn omen eec tei ete ut dot 2 21 100778 SCREW 1 4 20 X 3 8 TRUSS HD emen 6 22 106482 WASHER LOCK VA a or iier et et hebetes 4 23 112920 GASKET eerte eter 2 Part 9 REPLACEMENT PARTS Figure 9 4 Door and Door Safety Switch Assembly All M odes Part 9 REPLACEMENT PARTS DOOR AND DOOR SAFETY SWITCH ASSEMBLY ALL MODELS Fig 9 4 Part Item Part Description Qty 1 322690 IEEE 1 2 112727 GASKET DOOR ect e rec eres 1 3 111026 MAGNET DOOR 5 0 00 1 4 108954 NUT GRIP 6 32 W NY LON INSERT 00 0 4 5 112659 SWITCH MAGNETIC REED DOOR SAFETY 1 6 106551 PIN SGOT TE Rice een n 4 4 7 106026 WASHER reete t tete tiene I 4 8 112543 SHOCK DOOR mec ert re 2 9 112779 SCREW 1 4 20
20. 5 8 1 0 flexible reinforced drain hoses located at the rear of the machine Make sure drain hose does not kink resulting in a water flow restriction gt NOTE Your plumbing installation must allow the machine to be pulled out for repair 1 The dishwasher drain hose may be routed to an indirect floor drain not shown connected directly to a sink drain see Fig 2 5 3 The installer must follow all local plumbing sanitary and safety codes where applicable Local codes may vary from the recommended connections shown in Fig 2 5 3 below 2 Connect the 5 8 1 0 flexible reinforced drain hose supplied to a 1 1 2 wye drain fitting Use 5 8 hose adapter supplied by others 3 Donot reduce the diameter of the drain hose connection or add additional length to the drain hose 4 Donot connect the drain hose to a 90 drain fitting CAUTION The drain must have a minimum flow capacity of 15 US gal per min 54 liters per minute and 12 5 Imperial gallons per minute 5 The maximum height of the drain or the drain hose should not exceed 3 ft 915mm Max Drain Height 3 ft 915mm 1 1 2 Ft 9 1 5 8 IW cut awa to show rear Figure 2 5 3 Recommended Direct Drain C onnections for All M odels 11 Part 2 12 INSTALLATION 2 6
21. CCW pull forward and out 94 Part8 COMPONENT REPAIR AND REPLACEMENT 8 2 10 Wash Pump Motor All Models USS Capacitor Assembly Shim Washer Do not Discard Seal Assembly Impeller Left hand Thread Impeller Nu and Washers Stationary Portion Rubber Boot of Seal rg E Replacing the Wash Pump Seal 1 Remove the 8 mm drain plug in the pump volute and drain the pump i 2 Remove 9 pump housing screws Carbon Fase Rotating MOTOR SHAFT HASLEFT HAND Portion THREADS TURN IMPELLER CW TO of Seal SEAL ASSEMBLY DETAIL Assembly REMOVE 4 Removethe defective seal Save the shim washer 5 Install the replacement seal 6 Reassemble in reverse order Capacitor N Single Phase Motor Wiring Diagram 3 Removethe impeller retaining hardware Stationary portion goes in the pump housing Rotating portion mounts on the shaft 95 Part 8 COMPONENT REPAIR AND REPLACEMENT 8 2 11 Drain Pump Motor and Drain Valve All Models There are no service replacement parts for the drain pump motor nor the drain valve The components can be disassembled and cleaned if necessary Exploded views of the drain pump motor and drain valve are provided below The drain components are mounted on the pump mounting plate Refer to Section 8 2 10 Removing the Pump M ounting Plate page 94 To service the Drain Pump motor or drain v
22. Control Cabinet Layout and Board Function 53 7 3 Replacement Circuit Board 54 7 3 1 Timer Control Board Program Jumper Settings 2 22 2 2 54 7 3 2 Timer Control Board LED Status Lights ees 55 7 3 3 Temperature Pressure Control Board Program Jumper Settings 56 7 3 4 Temperature Pressure Control Board LED Status Lights 57 7 3 5 Time Select Fill Chemical Dispenser 60 7 4 Circuit Board Connector Diagrams and Test 62 7 4 1 Timer Control and Time Select Fill Chemical Dispenser Board 64 7 4 2 Temperature Pressure Display Board eee 66 143 Touchpad Display euet enter 68 15 Circuit Board Removal and Replacement 70 7 5 1 Timer Control Board Removal 70 7 5 2 Temperature Pressure Display Board Removal uesne 72 7 5 3 Touchpad Display Removal and 74 7 5 4 Time Select Fill Chemical Dispenser Board Removal 77 PART 8 COMPONENT REPAIR AND REPLACEMENT 79 81 Introduction eU RESO diia e deeds 79 8 1 1 Special Tools and Materials seen 79 8 1 2 Electrical Component Locator Diagram eee 80 8 1 3 Troubleshooting the 10 point Terminal Bo
23. DAILY OPERATION PART 3 DAILYOPERATION 3 1 Introduction In This Part Preparing your Dishwasher Dishwasher Loading Description of Operator Controls Basic Operation 3 2 Preparing your Dishwasher All Models Review Part 2 Installation and check your site to ensure that all plumbing and electrical connections have been properly made by qualified personnel Check the installation of chemical dispensing systems if applicable Perform the following steps to prepare your machine for operation Check the exterior of the machine for any foreign material and remove Check the interior of the machine and remove any foreign material Remove the lower spray arm s and the round scrap screen M ake sure the pump intake strainer located in the bottom of the sump is in place and clean Replace the round scrap screen and clean if required ake sure the upper and lower spray arms in place and nozzles are clean The arms are held in place by knurled retaining screws The arms are interchangeable M 5 UH 200B and UH 200 have separate upper and lower wash and upper and lower rinse arms 7 Check the chemical supply containers and fill as required 8 Open the water supply valve Check for leaks and take corrective action as required 9 Check the drain and or drain connections to ensure drains are functional 10 Turn the main power on at the breaker panel or fused disconnect switch QY UI c i
24. Installation and Service Switch Model UH 200B Only The following instructions apply to M odel UH 200B which is equipped with a Champion built in booster The B ooster Installation and Service Switch is provided to fill the built in booster tank with water prior to placing the dishwasher in service for the first time It can also be used by service technicians to interrupt 120VAC control power to service the machine ATTENTION INSTALLER CAUTION Failure to fill the booster before operating the dishwasher will cause damage to the booster heater components and will void the machine warranty Figure 2 6 1 Installation and Service Switch M odel UH 200B Only gt NOTE Switch is located behind the lower front panel on the left front of the dishwasher gt NOTE Perform the following procedure after all plumbing and electrical connections have been made Make sure the interior of the machine is clean and free of debris 1 Remove screws holding lower front panel Lift panel up forward and off 2 Push and hold the switch in the BOOSTER FILL position until you hear water entering the wash tank of the machine DO NOT FILL THE WASH TANK WITH WATER 3 Release the switch Push the switch up to the ON position 5 Booster fill is complete Part2 INSTALLATION 2 7 Electrical Connections Single Phase 2 7 1 Models UH 200B Only WARNING The installation of electrical supplies and controls must conf
25. Number Comments Date Pages Effectivity 9 18 00 U 2239 First issue of manual and replacement parts lists 4 3 01 132 Removed UH100 rinse aid pump from drawing 5 1 01 127 U1938 Change touch pad P N 112621 to 113292 and 900827 3 21 03 U2812 First machine to be shipped with Rinse Sentry system installed 6 15 05 121 Corrected part number 104164 to 104165 REVISION RECORD u SAFETY SUMMARY SAFETY SUMMARY Safety Symbols following symbols appear throughout this manual alerting you to potential hazards Statements associated with each symbol are printed in italics WARNING Warning statements indicate any condition or practice that could result in personal injury or possible loss of life CAUTION Caution statements indicate any condition or practice which if not strictly observed or remedied could result in damage to or destruction of the dishwasher gt NOTE Note statements indicate any condition or practice which if observed will help in the safe completion of a task General Safety Rules following general safety rules must be observed in addition to the specific cautions and warnings presented in this manual Your Champion dishwasher uses hot water to clean and sanitize a variety of wares Machine surfaces and wares become hot during and immediately following normal operations Operators should use caution when loading and unloading wares from the machine Opera
26. Points Water Level Probe Assy UH 200B UH 200 112 Sump and Spray Piping Assembly UH 200B 200 114 Spray Arm Assembly UH 200B 0 200 116 Fill Rinse Valve Assembly UH 200B 200 118 Wash Pump Piping Drain Pump Drain Valve and Drain Piping 120 All Models Wash Pump Motor Assembly All 122 Booster Assembly 200 124 Solid State Controls All 126 Base Mounted Electrical Controls All 5 128 Optional Detergent Pump for High Temp Machines 130 UH 200B UH 200 Optional Rinse Aid Pump for High Temp 132 UH 200B UH 200 Dishracks Line Strainer 134 Part 1 GENERAL SPECIFICATIONS PART1 GENERAL SPECIFICATIONS 1 1 Aboutthis Manual All information illustrations and specifications contained in this manual are based upon the latest product information available at the time of publication Champion constantly improves its products and reserves the right to make changes at any time or to change specifications or design without notice and without incurring any obligation M anual Organization This manual is divided into ten parts Part 1 General Specifications introduces this manual and the dishwasher models in general
27. UH 200B UH 200 To supply E LT JUD a final rinse manifold UH 20 UH 20 To rinse aid pump UH 200B UH 200 Rinse Aid Pump UH 200B UH 200 Optional Figure 9 16 Optional RinseAid Pump for High Temp M UH 200B UH 200 Part 9 REPLACEMENT PARTS OPTIONAL RINSE AID PUMP FOR HIGH TEMP MACHINES UH 200B UH 200 Fig 9 16 Part Item No No Part Description Qty COMMON PARTS 1 108299 MOTOR ee 1 2 322675 BRACKET SINGLE CHEMICAL 1 3 100734 BOLT 1 4 20 X 1 2 HEX HD aio aot pt up To RES 2 4 106482 WASHER LOCK Sala RO d es Rena 2 5 106026 WASHER FEAT er an 2 6 107050 LET n RE I 7 110159 SCREW 9 32 X 5 8 ROUND rece D Dh 2 8 102564 SCREW 8 32 X 3 8 ROUND HD an 2 9 111884 PUMPASSEMBLY DOES NOT INCLUDE ITEM 100R 19 1 UH 200B UH 200 10 112759 TUBE DO ID a eec er d ebbe D mtt 1 11 108411 GERMP HOSE 2 12 112883 TUBING PUMP TO INJECTOR ea 1 13 112882 TUBING PUMP TO SUPPLY nee 1 14 112763 INIEGTORZBINSE AND ee 1 15 0505483 LABEL RINSE AID ne 1 16 112754 N bo 1 17 112881 CONNECTOR STRAINER ve 1 18 0501869 STRAINER ren 1 900803 200 200
28. for High Temp achines UH 200B UH 200 Fig 9 15 Item No Part 9 REPLACEMENT PARTS OPTIONAL DETERGENT PUMP FOR HIGH TEMP MACHINES UH 200B UH 200 Part No Part Description 108299 MOTOR PUMP DRIVE seen 322675 BRACKET SINGLE CHEMICAL 100734 BOLT 1 4 20 2 0 0 0 5 106482 WASHER LOCK 2er 106026 WASHER PRAT UA ee coils cutee asians 107050 Et teen ees he tnde Ce ecd 110159 SCREW 8 32 X 5 8 ROUND HD een 102564 SCREW 8 32 X 3 8 ROUND 111884 PUMP ASSEMBLY DOES NOT INCLUDE ITEM 10 108194 TUBE 3 16 ID X 3 8 OD 108411 CLAMP AOSE Rn 112879 TUBING UH 200B 200 0 0 00 00 00 112880 TUBING 112878 TUBING UH 200B 200 0 000 000 0 0 0 0503695 LABEL DETERGENT een aa 112754 TUBE PICK UP eis tenet ee 0501869 STRAINER 4 5 ae 112728 FITTING COMPRESSION 1 8 NPT X 1 4 900799 UH 200B UH 200 INSTALLATION KIT DETERGENT PUMP INCLUDES ITEM S 1 12 14 18 131 Part 9 REPLACEMENT PARTS To container To rinse aid injector
29. gt NOTE Fig 7 4 3 shows the prime pushbuttons for all models Models UH 200B 200 are the only models with the Wash Rinse LED cable These models have one prime pushbutton which operates both optional detergent and rinse aid pumps simultaneously NOTE gt There NO hidden pushbuttons on the touchpad display 69 Part 7 SOLID STATE CIRCUIT BOARDS 70 7 5 CircuitBoard Removal and Replacement General Notes The circuit boards should always be handled with Keep the board it its packaging until it is time for installation Do not place the board on metal surfaces The boards have a protective coating that resists electrostatic discharge ESD but it is good practice to touch a metal surface with your hand to discharge any static built up on your body before handling a board Handle the circuit board by its edges whenever possible Take care when using tools near the board WARNING When working on the dishwasher disconnect the electrical service and place a red tag at the disconnect switch to indicate work is being done on that circuit CAUTION Discharge static build up on your body by touching a metal surface before handling a circuit board to protect the board from electrostatic discharge ESD gt NOTE Program jumpers should be checked and set to match the model and function of the dish washer being repaired before the board is installed Refer to Section 7 3 pages 54 62 7 5 1 Timer Co
30. is being done on that circuit WARNING U se extreme caution when testing circuits while power is applied to the machine 8 2 1 Pressure Reducing Valve PRV Adjustment 200 UH 200 3 4 PRV is required if theincoming water supply exceeds 20 22 51 138 151 kPa flowing pressure The PRV should be installed in the incoming water supply line before the machine connection To adjust the PRV 1 Loosen the locknut on the adjusting screw in the top of the PRV 2 the adjusting screw CW to increase justi Locknut the flowing pressure to the machine 3 Turn the adjusting screw CCW to reduce the flowing pressure to the machine 4 Observe the pressure reading on the control panel to confirm the proper setting of 20 22 51 138 151 kPa during the final rinse 5 Tighten the locknut on the adjusting screw 6 If the proper pressure cannot be achieved then check the water pressure before the PRV it may be too low or replace the PRV Part8 COMPONENT REPAIR AND REPLACEMENT 8 2 2 Water Line Strainer A 3 4 line strainer was shipped unmounted with the UH 200B UH 200 dishwasher Theline strainer should be installed in the incoming water supply line before the machine The line strainer has a removable screen that should be cleaned at least once a year UH 200B UH 200 To clean the line strainer l Turn the main water supply to the machine off Retaining nut 2 Pushthe POWER pushbutton off if
31. machine is ON to enter auto shutdown Otherwise turn machine on then off This will bleed pressure off water line 3 Removethe retaining nut from the line strainer and extract the screen 4 Flush the screen with water If screen is damaged replace the line strainer Line Strainer Screen 5 Reassemble in reverse order UH 200B UH 200 8 2 3 Fill Rinse Water Solenoid Valve UH 200B UH 200 The 1 2 water solenoid valve is both a fill valve when the machine is turned on and a final rinse valve during the final rinse The valve coil is 120VAC A repair kit is available to rebuild the internal parts of the assembly To remove the valve assembly 1 Turn the main water supply to the machine off 2 Push the POWER pushbutton off if machine is ON to enter auto shutdown Otherwise turn machine on then off This will bleed pressure off water line 3 Remove the lower front panel from the dishwasher The valve assembly is located on the left front side 4 Disconnect valve discharge hose 5 Remove 2 valve bracket retaining bolts 6 Pull valve assembly forward and Pull assembly out of the dishwasher forward and out wm Remove bracket retaining bolts continued next page 85 Part 8 COMPONENT REPAIR AND REPLACEMENT 8 2 3 Fill Rinse Water Solenoid Valve Cont UH 200B UH 200 To remove the valve assembly C ont 7 Remove coil assembly 8 Remove the valve bonnet using
32. up tubes in the chemical bottles 4 Push POWER button ON M achine fills Temperature is displayed Rinse aid 5 Open dishwasher door observe detergent Injection manto injection point on rear wall of machine 6 Push and hold PRIM E button until detergent is observed entering the machine 7 Push and hold the PRIM E button and observe chemical flowing at the rinse aid injection point located in the final rinse manifold 8 Priming is complete Figure 2 9 5 Rinseaid injection point M odels UH 200B U H 200 19 Part 2 INSTALLATION This Page Intentionally Left Blank 20 Part 2 INSTALLATION 2 10 Installing Optional Chemical Pumps Perform the following steps to install the optional detergent and rinse aid pumps for the models in Section 2 10 1 WARNING When working on the dishwasher disconnect the electric service and place a red tag at the disconnect switch to indicate work is being done on that circuit 2 10 1 Models UH 200B UH 200 Refer to Fig 2 10 1 at right The illustration shows the typical installation of the detergent and rinse aid pumps Pump kits contain the necessary parts for field installation and are available from your authorized Champion parts supplier detergent pump is a peristaltic pump enclosed in a black housi
33. will keep the factory setting of 25 seconds but every installation can be different depending on supply pressure variations Therefore the timing chart is a guide Fig 7 3 4 shows the fill POT time set for 40 seconds Consequently the fill valve opens at 110 seconds and closes at 140 secs into the total cycle In this example with the Dispensing POT set at maximum the pump would start at 129 seconds into the cycle and shutoff at 140 seconds The cycle times would be different if the fill POT were set for 25 seconds M odels UH 200B UH 200 also may have variations in fill time because the water level probe controls initial fill time But the time that the fill rinse valve is open during the final rinse portion of the automatic cycle is fixed at 11 seconds i i 11 sec 30 40 50 60 70 Fill Rinse Valve i Example Set to 11 sec ga duum 0 10 20 30 40 50 60 70 80 90 Rinse aid Pump UH 200B UH 200 4 a LIII LI 0 10 20 30 40 50 60 70 80 90 100 110 120 180 140 150 155 Fill Rinse Valve Example Set to 11 sec 0 10 20 30 100 110 120 130 140 150 155 Rinse Aid Pum
34. 113019 MOTOR PUMP 208 240V 60 1 nner 1 INCLUDES ITEM S 1 6 9 12 UH 200B 113020 MOTOR PUMP 208 240 50 00 0 0 0006 1 INCLUDES ITEM S 1 5 7 9 12 REPLACEMENT PARTS Part 9 agny OL Jo gooc Hn uo jeu OL Figure 9 12 Booster Assembly UH 200B Part 9 REPLACEMENT PARTS BOOSTER ASSEMBLY UH 200B Fig 9 12 Part Item Part Description Qty 1 112542 TANK BOOSTER essen an re to tiet t ten 1 2 101259 PLUG 1 8 NPT 55 1 3 109985 GASKET HEATER een een 1 4 112949 HEATER BOOSTER 6 KW 208 240 60 1 1 112950 HEATER BOOSTER 9 KW 208 240V 60 1 1 107909 HEATER BOOSTER 6 KW 208 240V 60 3 1 111334 HEATER BOOSTER 9 KW 208 240 60 3 1 5 100003 NUT APL AUN Versehen ala 3 6 106482 WASHER WO CK VAN ee ee cire eter nd 3 7 100734 BOLT 1 4 20 2 0 0 0 0 0 0 2 8 106026 WASHER BEAT 1 43 anne 2 9 105994 BOSE E E A dp Ld 3 10 112851 MOLD EDs deret ertt 1 11 112612 THERMISTOR TEMPERATURE PROBE 1 12 110562 THERMOSTAT FIXED HIGH LIMIT eem 1 13 108954 NUT GRIP 6 32 W NY LON INSERT
35. 120V nen 1 Beginning with S N U 1991 and above 12 109902 KIT REPAIR 1 2 SOLENOID VALVE ana 1 109903 KIT REPAIR 3 4 SOLENOID VALVE 1 Beginning with S N U 1991 and 1 13 106482 WASHER LOCK Van 2 Part 9 REPLACEMENT PARTS Pump discharge Figure 9 10 Wash Pump Piping Drain Pump Drain Valve and Drain Piping All M odes Part 9 REPLACEMENT PARTS WASH PUMP PIPING DRAIN PUMP DRAIN VALVE AND DRAIN PIPING ALL MODELS Fig 9 10 Part Item No No Part Description Qty 1 107340 P inter tt 1 2 112530 0 0 1 3 104165 MEP rectae 1 4 112529 HOSE PUMP OUTLET REPLACED BY ITEM S 16 20 1 5 104165 GL AMPH OSE 1 6 105993 EEAMBSHOSE nn rennen 4 7 112540 PUMP ea rre 1 8 112531 HOSE DRAIN 1 9 112541 DRAN nagd eie eerte eret 1 10 112729 TUBING DRAIN 5 8 ID X 1 OD seseeeemHeH enm 1 11 323201 PLATE PUMP MOUNTING ee eee 1 12 107966 NUT GRIP 10 32 W NY LON INSERT nem 1 13 100141 NUT GRIP 1 4 W NY LON INSERT eee 4 14 100734 BOLT 1 4 20 X 2 15 106026 WASHER BEAT VAN se
36. 20 F 49 C 130 F 55 C 140 F 60 C 4 pin connector accepts the wiring harness connector 120 test points for Wash tank heat contactor output Booster tank heat contactor output 3 pin connector accepts the W R LED cable from the touchpad display on models UH 200B UH 200 only All other models must have a jumper on CN5 There are no test points on CN5 Spade terminals on board 120VAC test points for power input T1 accepts AC Neutral harness wire T2 accepts AC Hot harness wire All models Spade terminal on board accepts wire from Fused Hot T1 terminal on Timer Control UH 200B UH 200 only 120VAC test point for fused hot FUSE 2 amp fuse to protect 120VAC power output to T1 terminal on Timer Control Board This power output is used for the water level control transformer located on the Timer Control Board on models UH 200B UH 200 only 67 Part 7 SOLID STATE CIRCUIT BOARDS 7 4 Circuit Board Test Points and Connectors Cont 7 4 3 Touchpad Display Refer to Fig 7 4 2 page 66 and the instructions on page 69 00000002 4642 00Z HN Uld ML suomnqusng 10 JoMOd ues pda 3 RS en 00Z HN Suid jeuondo useM 3X3 PAS 40 UOLULUO7 eige pedu nor piv pue
37. AY Carefully thread display cables through holes in control cabinet front Lay touchpad display on top of control cabinet adhesive side up Remove adhesive backing Carefully align touchpad dis play and apply to control cabinet front 76 Part 7 SOLID STATE CIRCUIT BOARDS 7 5 Circuit Board Removal and Replacement Cont Refer to the General N otes on page 62 before proceeding with the instructions below WARNING When working on the dishwasher disconnect the electrical service and place a red tag at the disconnect switch to indicate work is being done on that circuit 7 5 4 Time Select Fill Chemical Dispenser Board Removal and Replacement Refer to the pictures and instructions given below To remove the Fill C hemical Dispenser board Check the POT settings on the defective board Turn the POTS on the replacement board to match before installing the new board 1 Turn power off at the dishwasher and the main power disconnect switch Open the front door Remove screws located in each corner of the hood Pull the slide out control cabinet out fully Fold back the protective mylar drip shield Note location then carefully disconnect the dispenser cable from the timer control board Remove the 6 32 retaining nuts Lift the board up and off the retaining studs Reinstall the replacement board in reverse order gt NOTE Plug ins on circuit boards are marked with anumber 1 This mar
38. Figure 9 9 Fill Rinse Valve Assembly UH 200B UH 200 Part 9 REPLACEMENT PARTS FILL RINSE VALVE ASSEMBLY UH 200B UH 200 Fig 9 9 Part Item No No Part Description Qty 1 0505320 WASHER HOSE nn en 1 2 112584 HOSE REINFORCED FILL 1 2 ID Prior to S N U 1991 1 113122 HOSE REINFORCED FILL 3 4 Ds nod 1 Beginning with S N U 1991 and above 3 109886 VALVE SOLENOID 1 2 120V Prior to S N U 1991 1 111437 VALVE SOLENOID 3 4 NPT 120V 1 Beginning with S N U 1991 and above 4 112851 HOSE UH 200B Prior to S N 1991 1 5 112734 HOSE UH 200 Prior to S N U 1991 1 113124 HOSE REINFORCED 3 4 ED U 200 1 Beginning with S N U 1991 and 6 105994 CEAM P AOSE es 1 7 112831 BARB HOSE ELBOW 1 2 NPT X 5 8 55 1 Prior to S N U 1991 8 322667 BRACKET FILL VALVE SUPPORT Prior to S N U 1991 1 324935 BRACKET FILL VALVE SUPPORT anche 1 Beginning with S N U 1991 and 1 9 100734 BOLT 1 4 20 X 1 2 LEICA Den 2 10 106026 WASHER BEAT DAT een ee 2 11 111471 COIL SOLENOID VALVE 120V Prior to S N U 1991 1 111472 COIL SOLENOID VALVE
39. G CONTROL CN1 ac WASH DISP WASH ONLY HEAT JB7 ENG MET mmm JB 1 POWER WASH rl JB2 TEMP mm JB3 SET JB4 BOOSTER immi JB5 Transformer TEMP mmm JB6 SET CN5 o o o C W R LED Jumper No Jumper Closed Jumper Open JB7 Factory use Only Note Normal 18 All Models JB7 will be eliminated Wash Only on future board versions JB1 Display dur Set by factory per end user s order T English F and PSI Default setting is English Metric and kPa Figure 7 3 2 Temperature Pressure Display Board J umpers and LED Status L ights 56 Part 7 SOLID STATE CIRCUIT BOARDS 7 3 3 Temperature Pressure Display Board Program J umper Settings Cont To set the jumpers 1 B7 Check and set the jumpers before you install a replacement board Jumper No WashTemperature Select Temperature 4 F 2 C 170 F 77 C The procedure for setting jumpers P E are the same as the Timer Control 74 66 Refer to Section 7 3 1 145 F top of page 55 set jumpers B1 3
40. H Water Level Probe Clean metal pins with stainless Steel scouring pad to remove grease and scale build up Check detergent supply and replenish as needed Refer to Technical Manual P N 112653 Section 2 9 2 page 19 for detergent pump priming instructions Part 4 CLEANING AND MAINTENANCE PART4 CLEANING AND MAINTENANCE In This Part Introduction Daily cleaning schedules Deliming procedure Preventive maintenance schedules Lubrication 4 1 Introduction Cleaning your machine is the best maintenance that you can provide Components that are not regularly flushed and cleaned do not perform well The following schedules are the minimum requirements necessary for the proper performance of your machine Intervals should be shortened whenever your machine is faced with abnormal working conditions hard water or multiple shift operations 4 2 Daily Cleaning Schedules Every 2 hours of operation and after each meal period 1 Drain the dishwasher 2 Clean the round scrap screen and pump intake screen 3 Check and clean the spray arms 4 Reassemble the dishwasher At the End of the Day 1 Drain machine 2 Clean round scrap screen and pump intake screen 3 Clean spray arms 4 Wipe the interior of the machine with a soft damp cloth CAUTION Do not hose down the exterior of the machine with water 5 Thoroughly clean the exterior of machine with mild soap solution 6 R
41. OARD TEMPERATURE AND PRESSURE DISPLAY 1 ALL MODELS 16 112628 BOARD TIMER CONTROL eene 1 UH 200B U H 200 17 112629 BOARD TIME SELECT FILL CHEMCIAL DISPENSER 1 ALL MODELS 18 113292 TOUCHPAD DISPLAY UH 200B UH 200 AFTER S N 01938 1 18 900827 KIT 200 2 PIECE CONTROL CABINET W TPAD BEFORE S N UT939 o tus qot bt de vp evi Rd 1 112736 HARNESS WIRING UH 20 B u ee 1 112737 HARNESS WIRING UT 200 1 112944 HARNESS WIRING UH 200B THREE PHASE 1 Part 9 REPLACEMENT PARTS Figure 9 14 Base ounted Electrical Controls All M odes Part 9 REPLACEMENT PARTS BASE MOUNTED ELECTRICAL CONTROLS ALL MODELS Fig 9 14 Part Item No No Part Description Qty 1 322661 BRACKET ELECTRICAL MOUNTING 1 SINGLE PHASE 322693 BRACKET ELECTRICAL MOUNTING 1 THREE PHASE 2 107369 CONTACTOR 25A 2P 120V COIL SINGLE PHASE 1 ALL MODELS WASH PUM P M OTOR 3 107369 CONTACTOR 25A 2P 120V COIL 056066 1 UH 200B UH 200 WASH TANK HEATER 4 112897 BOARD TERMINAL 10PT assesseer 1 5 112916 LABEL CHEMICAL CONNECTION 1 6 100734 BOET 1 4 20 X 12 aset e te cetero 2 7 106026 WASHER FEAT ae een eei nettes 2 8 104624 SCREW 8 32 X 3 8 TRUSS HD assassiner 11 9 103310 LU G
42. OTS FILL DETERGENT SANITIZER RINSE DO NOT correspond AID to time settings Use numbers for reference only Numbers 0 10 Figure 7 3 3 Time Select Fill C hemical Dispenser Board Potentiometers WARNING When working on the dishwasher disconnect the electrical service and place a red tag at the disconnect switch to indicate work is being done on that circuit POTENTIOMETER ADJUSTMENT Turn power off at the dishwasher and the main power disconnect switch Open the front door Remove screws located in each corner of the hood Pull the slide out control cabinet out fully Fold back the protective mylar drip shield Locate the Fill Chemical Dispenser Board SeeFig 7 2 1 page 53 Note the position of the potentiometer adjustment screws Refer to the potentiometer detail in Fig 7 3 3 above Each pot has two small dots in one end of the adjustment dial which denotes the pointer on the dial Oy OT EI DA Continued on next page Part 7 SOLID STATE CIRCUIT BOARDS POTENTIOMETER continued 8 After noting the position of the potentiometers fully close the slide out control cabinet This positions the door safety switch to close when the dishwasher door is closed gt NOTE The dishwasher will not operate if the control cabinet is pulled out because the door safety switch will not be aligned with the door safety switch magnet located on the lefth
43. PRESS OR IMPLIED INCLUDING BUT NOT LIMITED TO ANY WARRANTY OF MERCHANTABILITY OR FITNESS OF PURPOSE CHAMPION SHALL NOT BE LIABLE FOR INCIDENTAL OR CONSEQUENTIAL DAMAGES THE REMEDIES SET OUT ABOVE ARE THE EXCLUSIVE REMEDIES FOR ANY DEFECTS FOUND TO EXIST IN CHAMPION DISHWASHING MACHINES AND CHAMPION PARTS AND ALL OTHER REMEDIES ARE EXCLUDED INCLUDING ANY LIABILITY FOR INCIDENTALS OR CONSEQUENTIAL DAMAGES Champion does not authorize any other person including persons who deal in Champion dishwashing machines to change this warranty or create any other obligation in connection with Champion Dishwashing Machines TABLE OF CONTENTS TABLE OF CONTENTS PAGE Revision Record e Rene i Safety SUMMAT ee nee iii ALTAE e tes iv PART 1 GENERAL 5 6 2 2 1111 1 Ld Aboutthis Manual tente an lila 1 1 27 Model Numbers erre rere e elas sn EFE EA 2 1 3 Standard Equipment and 3 1 4 Dimensions Capacities and 4 PART 2 INSTALLATION 7 2 1 Introduction 7 22 Unpack the Dishwasher 2 m 7 2 3 Permanent Placement iii I a 8 24 Water rn Retna ll 8 2 4 1 Model UH 200B
44. Press new bearings into the arm DO NOT HAMMER THE BEARINGS IN PLACE 6 Reassemble in reverse order 7 Reinstall the arm in the machine and spin to check for smooth operation PRESS new bearings in DO NOT HAMMER 98 Part8 COMPONENT REPAIR AND REPLACEMENT 8 2 14 Door Shock and Hinge All Models All dishwasher models utilize 2 twin seal gas operated shocks for the door The shocks serve the same purpose as conventional door spring on other machines The advantage of the shock is smoother door operation and a softer more controlled door closure than door spring designs Preparation for Repair 1 Push the POWER pushbutton off if machine is ON to enter auto shutdown 2 Turn off main incoming power 3 Pull the machine out if required to gain access to side 4 Remove front and side panels 5 Close door fully To replace a door shock D 1 Removethe upper cotter pin and washer 2 Remove shock from upper pin and let shock hang from hinge assembly 3 Usea 5 32 allen wrench to remove the hinge retaining screw 4 Gently pry the hinge out of the door assembly 5 Remove the lower cotter pin and washer 6 Reassemble in reverse order 7 Check door operation and return machine to service Part 8 COMPONENT REPAIR AND REPLACEMENT 8 2 15 Door Safety Switch and Magnet All Models All dishwasher models utilize a magnetic reed door safety switch mo
45. Sanitizer 1 to 30 seconds e Rinse aid 1 to 30 seconds 8 Two dots on one end of the potentiometer P serve as the dial pointer DOTS ON END 9 Turn CW to increase time setting OF POTENTIOMETER gt NOTE Figure 2 9 2 The graduated numbers 0 10 around the potentiometers DO NOT correspond to time settings U se them for position reference only not an actual time setting indication Fill C hemical Dispenser C ircuit Board Refer to Section 2 9 2 for specific adjustments and chemical priming instructions for your model dishwasher 10 11 12 13 Refer to Fig 2 9 3 showing the recommended chemical bottle placement may be placed on either side of the dishwasher Bottles must be placed no farther than 6 ft 1829mm from the machine tags identify chemical tubing Pick up tubes are inserted directly in chemical bottles oc 0666 000 Route chemical tubing through rear access hole above fill and drain hose access Max 6 ft 1829mm cut away to show rear Figure 2 9 3 Chemical Bottle Placement 18 Part 2 INSTALLATION 2 9 2 Models UH 200B UH 200 Chemical Adjust and Prime The following chemical adjustment information applies to UH 200B and UH 200 only Refer to Section 2 9 1 page 18 for a description of the dispenser adjust potentiometers 1 The data below will assist in adjusting the time s
46. T PARTS au 103 ELECTRICAL SCHEMATICS ccs 137 UH 200B Single Phase UH 200 Single Phase UH 200B Three Phase Figure Figure Figure Figure Figure Figure Figure Figure Figure Figure Figure Figure Figure Figure Figure Figure Figure Figure Figure Figure Figure Figure Figure Figure Figure 2 4 1 2 5 3 2 6 1 2 9 1 2 9 2 2 9 3 2 9 4 2 9 5 2 10 1 2 10 2 3 4 1 3 4 2 5 3 1 6 2 1 6 3 1 7 2 1 7 3 1 7 3 2 7 3 3 7 3 4 TAA 7 4 2 7 4 3 8 1 1 8 1 2 TABLE CONTENTS LIST OF FIGURES Water Connections UH 200B 200 Recommended Direct Drain Connections for All Models Installation and Service Switch 200 222 04222 224200 2 Control Cabinet Retaining 5 Fill Chemical Dispenser Circuit Chemical Bottle 0 0 2 110006 UH 200B UH 200 Touchpad Display Rinse Aid Injection Point UH 200B 200 UH 200B UH 200 Chemical Chemical Pump Connection Terminal Block Door Safety Magnet Circuit Breaker Location Self Diagnostics Display Ti
47. T SAN RIN 1 SE TIME SELECT BOARD FUSED HOT NEUTRAL TEMP PRESS DISPLAY BOARD u UH 200B SINGLE PHASE A701543 P N 112959 Part 10 ELECTRICAL SCHEMATICS 11 0 120V CUSTOMERS DISCONNECT SWITCH L2 TO N 120V PER LOCAL ELECTRICAL CODE L1 12 208 240V L2 TO L3 208 240V 208 240 60 3 5 WIRE L1 TO L3 208 240V 5 n U H 200B THREE PHASE A701628 BOOSTER HEAT 35 5 HLTH 28 29 TANK HEAT BSTR FILL 23 Je 2 5 as ND coM LOW MIDDLE LIMIT 14 18 WATER LEVEL 15 DIAGRAM STATE PROBES POWER OFF TANK EMPTY DOOR CLOSED END OF CYCLE WASH PUMP FILL RINSE OVERLAY OPTIONAL DETERG RINSE AID TIMER CONTROL BOARD FILL DET SAN RIN TIME SELECT BOARDSE FUSED HOT T1 NEUTRAL T2 NEUTRAL TEMP PRESS DISPLAY BOARD O ane P N 113310
48. TROUBLESHOOTING This Page Intentionally Left Blank 48 Part 6 SERVICE TROUBLESHOOTING PART 6 SERVICE TROUBLESHOOTING cont 6 3 Error Codes All dishwashers perform a self diagnostics when you push the POWER button to turn the machine on Watching the display provides information that will help you troubleshoot certain problems EXTENDED WASH START TEMPERATURE PRESSURE Self Diagnostics Display UH 200 series Shown Figure 6 3 1 DISPLAY SEGMENT 1 All LED s illuminate indicating proper operation of the LEDs DETAIL 2 Display window s flash 888F ALL The dishwasher self diagnostics provide the following information Incorrect temperature readings can be checked by 122 observing the display test to see if all segments are working numser 3 Error codes are displayed during self diagnostics and whenever the component is active during the automatic cycle EOF E1F 2 and ESF for machines programmed for F EOC E1C E2C and ESC for machines programmed for C See next page for description of codes 4 or LOC is observed in the temperature display window All models may display LO because the temperature display indicates temperature from 115 F 46 C and above This is a normal condition during initial fill The LOF or LOC display at any other time may be an indication of a temperature problem in the dishwasher and should be investigated before proceeding
49. The circuit breaker is a manual reset device and should be checked if the dishwasher fails to operate To replace circuit breaker an Turn off main incoming power Remove the lower front panel Pull the mylar drip shield back Push the button on the circuit breaker to check reset Disconnect wires 6 Push retaining clips on back side of breaker and push out 7 Reassemble in reverse order 101 Part 8 REPLACEMENT PARTS This Page Intentionally Left Blank 102 Part 9 REPLACEMENT PARTS PART 9 REPLACEMENT PARTS In This Part Parts illustrations and replacement parts lists Special Materials The following solvents sealants and pipe compounds are required for repairs but are not called out in the replacement parts list The materials listed below are recommended as standard issue for service technicians Pipe sealant Loctite8 565 or comparable Champion P N 106437 Silicon sealant 732 RTV or comparable Champion P N 104827 Thread sealing teflon tape Champion P N 106436 Plumber s putty Compound 440 or comparable Champion P N 104889 Heat Sink Compound used on high limit thermostat Champion P N 110563 Part 9 REPLACEMENT PARTS Figure 9 1 Upper Hood Assembly and Control Cabinet All M odes Part 9 REPLACEMENT PARTS UPPER HOOD ASSEMBLY AND CONTROL CABINET ALL MODELS Fig 9 1 Part Ite
50. Time Control Board Jumpers to set model type booster and touchpad control Controls door safety switch input Controls outputs for wash pump drain fill rinse valve Controls outputs for chemical dispensing pumps Controls water level control UH 200B UH 200 Temperature Pressure Display Board 120VAC power input point Jumpers to set wash tank and booster temperatures Jumpers to set English etric display option Controls wash heater and booster heater outputs Controls thermistor inputs Controls pressure sensor input UH 200B UH 200 LED s display temperature All M odels Temperature and pressure UH 200B UH 200 only Time Select Fill Chemical Dispenser Board Controls time settings for chemical dispensing pumps 53 Part 7 SOLID STATE CIRCUIT BOARDS 7 3 Replacement Circuit Board Set up Jumpers are provided on the Timing Control and the Temperature Pressure Display boards to set the program for each machine model See Fig 7 2 1 page 53 for board locations Jumpers are set at the factory for new machines and should not require adjustment Whenevera board is replaced in the field the service technician mustsetthe jumpers on the replacementcircuitboard to match the dishwashermodelbeing repaired 7 3 1 Timer Control Board Program J umper Settings TheTimer Control Board has three program jumper settings 1 Enables the basic cycle time for all model
51. UH 200 ennssnnsssnnnssnnnsnnennnnennnnnnnsnnnn nennen 9 2 5 Drain Connections models 11 2 6 Installation and Service Switch Model 200 12 2 7 Electrical Connections Single 13 2 74 UH 2WB u near 13 Df 2AMOdel UI 200 3 22 reiten An ro ipee eh 14 2 8 Electrical Connections Three 15 2 8 1 ModelUH 20B a 15 2 9 Chemical oe ees he dads 16 291 General AIL Models isn 16 2 9 2 Models UH 200B UH 200 Chemical Adjust and Prime 19 2 10 Installing Optional Chemical Pumps eene 21 2 10 1 Model UH 200B UH 200 nennen nennen entere 21 2 11 Initial Start up All 25 2 11 1 Model UH 200B UH 200 25 TABLE OF CONTENTS PART 3 DAILY 222 27 3 1 Introduction e ege 27 3 2 Preparing your Dishwasher All 27 3 3 Loading your Dishwasher All Models 28 3 4 Description of Operator Controls and Displays All Models 29 3 5 B
52. WATER LEVEL 15 LOW PROBES MIDDLE LIMIT WASH PUMP FILL RINSE 23 OVERLAY DETERG RINSE AID FILL DET SAN RIN 1 SE TIME SELECT BOARD TIMER CONTROL BOARD FUSED HOT T NEUTRAL T2 1 NEUTRAL 4 55 DISPLAY BOARD P N 112958 Part 10 ELECTRICAL SCHEMATICS 5c _____ _ __________ ect Booster CONTACTS CE CIRCUIT BREARER Top DETERGENT PUMP OPTIONAL oR orano Cd oss poor SAFETY SWITCH ac HEATER CONTACTOR CO uci HEATER CONTACTS HIGH LIMIT TANK HEATER Pt PRESSURE TRANSDUCER R nse AD PUMP ss scaviceswrcH 1c8 BOOSTER THERMISTOR TER RINSE THERMISTOR rew WASH TANK THEMISTOR wc WASH MOTOR CONTACTOR wer WASH MOTOR CONTACTS GND DIAGRAM STATE POWER OFF TANK EMPTY DOOR CLOSED END OF CYCLE WATER LEVEL 15 PROBES OVERLAY PT 140 TO CUSTOMERS DISCONNECT SWITCH PER LOCAL ELECTRICAL CODE 208 240 60 1 4 WIRE BOOSTER HEAT HLTH Her 55 s 9 7 33 1 29 HC1 TANK HEAT BSTR FILL 23 DSS 17 LOW MIDDLE LIMIT 18 WASH PUMP FILL RINSE DETERG OPTIONAL 24 RINSE AID TIMER CONTROL BOARD FILL DE
53. X 1 1 2 FLAT HD HEX SOCKET 2 10 322672 OUTER DOOR HINGE LH 1 11 322635 OUTER DOOR HINGE 0 1 Part 9 REPLACEMENT PARTS To temperature pressure display bd in control cabinet To upper wash arm support CO To rinse aid pump To outside lower 9 wash arm support 6 Ly 9 booster outlet UH 200B or To fill rinse valve UH 200 Figure 9 5 Final Rinse M anifold Assembly UH 200B UH 200 Part 9 REPLACEMENT PARTS FINAL RINSE MANIFOLD ASSEMBLY 200B UH 200 Fig 9 5 Part Item No No Part Description Qty 1 112741 HARNESS PRESSURE TRANSDUCER emen 1 2 112668 TRANSDUCER PRESSURE 1 3 112731 O RING PRESSURE TRANSDUCER eH eem 1 4 112612 THERMISTOR TEMPERATURE PROBE eee 1 5 112646 MANIFOLD RINSE eoi eer neret eret 1 6 105994 CLAMP BOSE d enr eoe e eene 3 7 112538 HOSE UPPER RINSE nre tree Pe ect 1 8 112537 HOSE LOWER RINSE eene nnne 1 9 322668 BRACKET RINSE MANIFOLD emen 1 10 107967 NUT GRIP 1 4 W NY LON INSERT emen 2 11 106026 WASHER cents tette eee tet er 2 12 112536 HOSE MOLDED UH 200B eene 1 13 112734 HOSE UE 200 5 nce reete et beer ee em rhe meets 1 14 112798 BARB HOSE 1 2 NPT X 5 8 BRASS e
54. a Clean nozzles and or spray arm Clean screen or replace line strainer Contact service agent M ake sure hose has smooth bends Increase water supply line to 3 4 D 43 Part 5 OPERATOR TROUBLESHOOTING 44 PART 5 OPERATOR TROUBLESHOOTING cont 5 5 Troubleshooting Guide Cont CONDITION CAUSE SOLUTION Final rinse water temperature is low Incoming water temperature at machine too low Defective rinse temperature thermistor All M odels Defective booster temperature thermistor UH 200B Only Defective or tripped high limit on booster UH 200B Only Defective booster tank heater UH 200B Only Raise incoming temperature to 140 F 60 C for UH 200B 40 F 22 C rise boosters 110 F 43 C for UH 200B 70 F 39 C rise boosters 180 F 82 C for UH 200 Check error codes Section 5 3 and 5 4 and contact service agent Check error codes Section 5 3 and 5 4 and contact service agent Contact service agent Contact service agent Poor washing results LOw Waler ai in Wash arm Clogged Chemical dispensers not operating properly Insufficient detergents Crystal specs on dishes Wash water milky white color Spots on glasses W ash water temperature too low
55. ables the solid state controls program jumpers are read and the auto fill sequence is initiated The Fill Rinse Valve opens until the water level reaches the middle sensor of the Water Level Probe The Detergent Pump is cycled three times during the initial fill The Wash Tank Heater All Models which was locked out during the initial fill begins to heat The Booster which was locked out during the initial fill begins to heat UH 200B Only If the Cycle Start Pushbutton is pressed during the fill the Cycle LED illuminates The Wash Cycle starts after the fill is complete Pressing the Cycle Start Pushbutton activates the Cycle LED and initiates the Wash Cycle The Wash Pump Motor is activated for 60 seconds The Detergent Pump is activated for 1 to a maiximum of 30 seconds The detergent pump is locked out after the fill valve closes The Drain Valve and Drain Pump are then activated until the water level reaches the bottom sensor on the Water Level Probe The Rinse LED illuminates and the Fill Rinse Valve opens until the water level reaches the middle sensor of the Water Level Probe and 11 seconds has expired The Rinse Aid Pump is activated for 1 to 11 seconds during the last 11 seconds of the final rinse The Cycle LED is deactivated The 90 second cycle is complete If the Cycle Pushbutton is not activated for 4 hours the machine goes into the auto shutdown cycle and turns off If the Door Safety Switch is opened all Pumps
56. age between the power wire chosen and the current carrying neutral does not exceed 120VAC 15VAC Refer to the diagram and table below for UH 200B power requirements 208 240V 208 240 60 3 4 120V E E 4Wire Plus Ground System Diagram N L1 L2 L3 Voltage 70 F 39 C Rise Booster Hz Min Wire Amp Min Wire Phase Machine FLA Fuse Size Machine FLA Fuse Size Three Phase Power Requirements M odel UH 200B Only 15 Part 2 16 INSTALLATION 2 9 Chemical Connections 2 9 1 General All Models DISHWASHER OWNER Your dishwasher is designed to work best with liquid commercial dishwashing chemicals Detergents must be a commercial non foaming liquid Champion strongly recommends that you contact a qualified chemical supplier to supply these products and to setup your machine for the first time Your machine was shipped with the chemical dispensing adjustments set at their minimum settings because of variations in chemical products As a result of these variations Champion is not able to advise you on the proper dispenser settings for any particular product nor can we recommend one supplier over another You may wish to consult your equipment dealer or your Champion authorized service agent for help in contacting a chemical supplier in your area gt NOTE Residential automatic dishwashing detergents and rinse aids found in mos
57. alve M ethod 1 1 2 3 Turn off theincoming water supply Push the POWER pushbutton off if machine is ON to enter auto shutdown If power is off turn machine on then immediately off This will force the machine to enter the auto shutdown cycle and drain If the machine fails to drain check the drain hose for kinks which might restrict drain water flow Check the building plumbing for obstructions Turn off main incoming power Remove pump mounting plate per Section 8 2 10 page 95 Replace the defective component and reassemble in reverse order Drain Valve Exploded Diagram To service the Drain Pump Valve from the rear of the machine M ethod 2 1 Perform steps 1 6 in M ethod 1 2 Pull the machine out to gain access to the rear 3 Remove the rear service door 4 Inspect the drain components and hoses Disconnect hoses 5 Disconnect the wires 6 Remove the grip nuts on the mounting brackets 7 Pull the drain components out the back of the machine 8 Inspect clean or replace 9 Reassemble in reverse order Drain Pump motor Exploded Diagram 96 Part8 COMPONENT REPAIR AND REPLACEMENT 8 2 12 Wash Arm Bearings All Models All dishwasher models use two interchangeable wash arm assemblies one upper and one lower Each wash arm contains two replaceable bearings M odels UH 200B UH 200 also havea separate upper and lower rinse arm assembly To replace th
58. and Valves are disabled and times are held Closing the door re enables Pumps and Valves and resumes timing from the point door was opened If the Power Pushbutton is closed while the machine is running the Auto shutdown Cycle is initiated The Touchpad Display flashes 888 The Drain Valve and Drain Pump are activated for 20 seconds The Fill Rinse Valve is activated for 10 seconds The Drain Valve and Drain Pump are then reactivated for 60 seconds Then the machine turns off Closure of the Extended Wash Pushbutton during the Wash Cycle activates the Extended Wash LED and extends the wash beyond normal wash time until the Extended Wash Pushbutton is re closed de activating the Extended Wash LED The Chemical Pump Prime Switch is enabled any time the Temperature Display is active The Water Level Probe is ignored during the wash cycle If the water level reaches the topmost sensor overfill condition of the Water Level Probe then the Drain Valve Drain Pump are activated until the water level drops below the lower sensor of the water level probe Part 6 SERVICE TROUBLESHOOTING 6 2 1 Timing Chart Model UH 200B UH 200 FILL CYCLE Dishwasher fills until water level reaches middle probe of water level probe assy
59. and corner of the machine door FILL POTENTIOMETER ADJUSTMENT The UH 200B and UH 200 model dishwashers do not utilize the fill adjustment Fill is controlled by the water level probe on UH 200B and UH 200 models 9 10 11 12 13 14 15 Turn power atthe main disconnect switch Push the POWER pushbutton on the touchpad display achine fills automatically Open door and check water level inside the dishwasher If water level requires adjustment refer to Section 2 4 Water Connections pages 8 10 and make sure supply connections meet specifications Take any corrective action required before making potentiometer adjustment Push POWER pushbutton to drain machine Turn off power at main disconnect pull out control cabinet and turn Fill POT CW in small incremental steps to increase fill time CCW to decrease fill time Repeat steps 8 14 making small incremental changes to the setting until the proper water level inside the wash tank is achieved OHNO THE DISHWASHER HAS OVERFILLED WHAT DO I DO NOW Perform the following if too large an adjustment has been made to the Fill POT and the water level is higher than the top of the handle of the round scrap screen 16 17 18 19 20 21 Turn the water supply off atthe water shutoff valve for the dishwasher Push the POWER pushbutton OFF to drain the machine Push the POWER pushbutton ON then immediately push POWER pushbutton OFF to drain the machine agai
60. ard 82 8 27 Components eame tede rh RE 84 8 2 1 Pressure Reducing Valve PRV 84 Model UH 200B UH 200 8 22 Water Line Strainer uiu Id aee e aded 85 Model UH 200B UH 200 8 23 Hill Rinse Water Solenoid Valve eene 85 Model UH 200B UH 200 8 2 4 Water Level Probe eani ete ah datei 87 Model UH 200B UH 200 6 25 Vacuum Breaker a bh 88 Model UH 200B UH 200 8 2 6 Pressure Transd eet 4 at tee a n e Reip Fiesta 89 Model UH 200B UH 200 8 2 7 Thermistors All Models 9 8 2 8 Wash Tank Heater and High Limit 92 8 2 7 Booster Tank Heater and High Limit Thermostat 93 Model UH 200B yu TABLE OF CONTENTS viii PART 8 COMPONENT REPAIR AND REPLACEMENT CONT 8 2 8 2 10 8 2 11 8 2 12 8 2 13 8 2 14 8 2 15 8 2 16 PART 9 PART 10 A701543 A701542 A701628 Components Cont Wash Pump Motor All Models 94 Drain Pump Motor Drain Valve All 96 Wash Arm Bearings All 97 Rinse Arm Bearings eo eed i dee ERI e Meere 98 Model UH 200B UH 200 Door Shock and Hinge Assembly All Models eee 99 Door Safety Switch and Magnet All eene 100 Carcuit Breaker Models 1n eec sinken 101 REPLACEMEN
61. art 7 SOLID STATE CIRCUIT BOARDS 7 3 1 Timer Control Board Program J umper Settings Cont WARNING When working on the dishwasher disconnect the electrical service and place a red tag at the disconnect switch to indicate work is being done on that circuit To set the jumpers J B1 J B2 and J B3 Check and set the jumpers before you install a replacement board 1 Turn power off at the dishwasher and the main power disconnect switch Open the front door Remove screws located in each corner of the hood Pull the slide out control cabinet out fully Fold back the protective mylar drip shield Compare the jumper settings on the dishwasher circuit board with the settings shown in Fig 7 3 1 page 54 7 Using fingers or needle nose pliers set the jumper as required W u The jumper encloses both pins when the switch is closed Closed Open The jumper encloses one pin when the switch is open This method prevents losing the jumper 8 Replace the drip shield and close the slide out control cabinet fully to position the door safety switch located in the left hand corner of the control cabinet 9 Closethe dishwasher door turn power on and check the dishwasher for proper operation Jumper o Uu 7 3 2 Timer Control Board LED Status Lights Refer to Fig 7 3 1 previous page The Timer Control Board has 10 red LED status lights that provide operational information POWER Indicates the Timer Control Board is po
62. as shown Final Rinse Manifold Pressure Transducer UH 200B UH 200 ONLY 7 Removethe transducer turning CCW out of the manifold CAUTION The transducer requires an O ring Save the O ring from the old part if you do not have a replacement O ring O ring P N 112731 8 INSPECT THE REPLACEMENT TRANSDUCER The transducer pins should measure approximately 7 16 11mm from base to tip 9 If required carefully cut one pin ata time using the sharpest side cutters available to 7 16 11mm 10 Install an O ring on the transducer and screw the transducer into the manifold 11 Make sure the transducer pins are parallel with the manifold and point away from the vacuum breaker Connect the cable 12 Restore power and water and check for leaks and proper operation 13 Reinstall top and side panels 14 Return machine to permanent location ensuring machine is level 15 Check supply hoses at rear of machine to ensure they are not kinked 90 Part8 COMPONENT REPAIR AND REPLACEMENT 8 2 7 Thermistors ALL THERMISTORS ARE IDENTICAL Refer to Section 8 1 2 page 81 for a description of the thermistor functions To check thethermistor 1 Verify the temperature of the water with a calibrated test instrument 2 Refer to Section 7 4 2 page 66 67 Connector CN3 on the Temperature Final rinse manifold Pressure Display Board provides th
63. asic une nn Ra te ce olan eren 32 3 5 1 Model UH 200B 200 32 PART 4 CLEANING and MAINTENANCE 35 4 8 Introduction zn utet tertie tette 35 4 2 Daily Cleaning Schedules All 35 4 3 Schedules All 36 4 3 1 Deliming Procedure 5 36 44 Preventive Maintenance Schedules All 37 4 5 Lubrication All Models 37 PART 5 OPERATOR TROUBLESHOOTING eene 39 9 1 Introd ction z e e Aaa na ess 39 5 2 Troubleshooting 39 5 3 Using the Touchpad Display to Evaluate Problems ees 40 5 4 Reading Error Codes ien anna eet 41 5 5 Troubleshooting Guide en en a en 42 PART 6 SERVICE 5 45 6 1 Introduction ED regen 45 6 2 Operation Sequence and Timing Charts 46 6 2 1 Model UH 200B 200 0 0 46 6 3 e mta eee soba 49 64 Troubleshooting Guide 2 de uere eet ee eicit 51 vi TABLE OF CONTENTS PART 7 SOLID STATE CIRCUIT 53 7 1 Introduction 53 7 2
64. brane Switch switch Power is ON Push Power Button Begins auto shutdown cycle Turns power OFF when auto shutdown cycle is complete 2 Power Touchpad light All Models ON LED emitting diode Indicates when power is ON 3 Start Switch Touchpad All Models membrane Starts the dishwasher automatic cycle switch 4 Cycle ON LED Touchpad light All Models emitting diode Indicates an automatic cycle has been selected Extended Touchpad All Models nn Wash membrane Pauses the wash cycle and holds machine in a Switch switeh continuous wash mode Push again machine finishes wash cycle followed by a final rinse 8 Extended Touchpad light All Models Wash LED emitting diode Indicates machine is in extended wash mode 7 Wash Model UH 200B UH 200 ONLY Touchpad Indicates that temperature display 9 is showing DENE light the temperature of the water in the wash tank emitting diode during the automatic cycle Rinse Model UH 200B UH 200 ONLY Temperature Touchpad Indicates that temperature display 9 is showing LED light the temperature of the water in the final rinse emitting diode manifold during a final rinse 9 Temperature LED All Models Display display Indicates the temperature sensed by the wash mounted on or the final rinse temperature probe timer board Final Rinse LED Model UH 200B UH 200 ONLY Water Pressure display Indicates the flowing pressure of water in the mounted on final rinse manifold du
65. cent ertet 4 21 100736 BOLT 1 4 20 X 3 4 4 22 105994 CEAM P Ere dee te e etes 2 23 112538 HOSE rere e Pid ien 1 24 112537 HOSE LOWER RINSE tette deett ette cete 1 25 110440 BOLT 6M M X 25MM 0 0 0 eee 4 26 110214 NUT DUEL OMM rere eie entree tete s 4 27 106482 WASHER LOCK nen titer desis 4 Part 9 REPLACEMENT PARTS Upper Spray Arm Assembly amp Figure 9 8 Spray Arm Assembly UH 200B UH 200 Part 9 REPLACEMENT PARTS SPRAY ARM ASSEMBLY UH 200B UH 200 Fig 9 8 Part No Part Description 1 112619 SPINDLE RINSEARM na aaa 2 112618 BEARING RINSE ARM une 3 112616 RINSE ARM ASSEMBLY INCLUDES ITEMS 1 4 4 112620 NUT RETAINING 5 112551 BEARING WASH ARM ne a 6 112550 NUT WASH ARM safest ttd noe de Ud rn 7 112547 WASH ARM ASSEMBLY INCLUDES ITEMS 5 8 8 112549 HUB WASH ARM can 112617 ARM RINSE STAINLESS STEEL 112548 ARM WASH STAINLESS STEEL Quantities shown are for one rinse arm assembly and one wash arm assembly M achine contains two of each assembly 117 Part 9 REPLACEMENT PARTS inlet on UH 200B To final rinse o o o F A To incoming water supply
66. cent to the door safety switch to operate the switch and perform service checks Door safety switch Remove magnet when service checks are complete Leftside of control cabinet Part 7 SOLID STATE CIRCUIT BOARDS 7 4 CircuitBoard Test Points and Connectors Tools The following tools are required to perform checks on the circuit boards Standard set of hand tools Volt O hm meter V OM Sensitivity 20 000 ohms volt Special Tools The following special tools are recommended Magnet P N 111026 door magnet Available from Champion or comparable Touchpad Display P N 112621 Available from Champion Jumper wire with miniature alligator clips to check water level probe Supplied by others Connecting the VOM for Voltage C hecks Refer to the illustration at right and follow the instructions below to make voltage tests on the circuit boards 1 Molex harness connectors must be plugged in to the male connector on the board for voltage checks 2 Inputand outputAC voltages are Chassis Ground approximately 120VA C 3 Connect one VOM lead to chassis Protective Coating ground Insulates Pins 4 Carefully insert the other VOM lead into the wire end of the connector until it contacts the metal pin in the molex connector 5 The exposed pins on the male portion of the connector are insulated with a protective coating Do not attempt Connecting the VOM for Voltage Checks to scrape the coating off the pins
67. co p ret 4 ST ZEIT 55255255 SS SSS SS T EL Pump Intake Screen 2555555 A 25 ESN gt SS gt A A MASS SSS l 59 ee All Models 27 Part3 DAILY OPERATION 3 3 Loading your Dishwasher All Models Perform the following steps to prepare and load your wares for washing 1 Scrapeand rinse wares to remove heavy food particles and other debris 2 Place dishes edgewise in a peg rack Place cups and bowls upside down in a flat rack Spread silverware evenly in a single layer in a flat bottom rack Batching silverware upright in a utensil cup is not recommended DO NOT OVERLOAD DISHRACKS 3 Place the loaded dishrack on the open door and slide into the dishwasher DO NOT WASH MORE THAN ONE RACK ATA TIME CAUTION N Never stand or sit on the door nor place heavy boxes or crates on the door 28 Part 3 DAILY OPERATION 3 4 Description of Operator Controls and Displays Note the location and function of the following components These components directly affect the normal operation of all other operator controls Door Safety Switch M agnet The door safety switch magnet is located at the top le
68. ct switch to indicate work is being done on that circuit 7 5 2 Temperature Pressure Display Board Removal Refer to the pictures and instructions given below To remove the Temperature Pressure Display Board Check and set the program jumpers before you install replacement board 1 Turn power off atthe dishwasher and the main power disconnect switch Open the front door Remove screws located in each corner of the hood Pull the slide out control cabinet out fully Fold back the protective mylar drip shield Note location then carefully disconnect display cables and connectors Remove 6 32 grip nuts retaining the board Lift the board up at the rear at a slight angle and off the rear mounting studs Carefully lift the front of the board off the studs and guide the board back and out until the LED s clear the control cabinet 10 Replace the board in reverse order 11 Makesure the display LED s are centered in the control cabinet windows DEN I ee NOTE E ow Plug ins on circuit boards are marked with a number 1 This marking corresponds with a red line on the connector cable Make surethe 1 and the red line match when reconnecting a cable to the circuit board 3 Match No 1 on plug to red line 7 cable M Part 7 SOLID STATE CIRCUIT BOARDS 7 5 2 Temperature Pressure Display Board Removal Cont Remove 6 32 retaining nuts Observe caution when
69. ctivate the auto shutdown cycle Push the POWER button All LED s go out The Temperature display and the Pressure display flash 888F The machine drains The fill valve opens to rinse down the interior of the dishwasher The machine drains completely All displays go out Dishwasher is OFF Begin cleaning operation or push POWER button to refill dishwasher gt NOTE If the dishwasher is idle for more than 4 hours it will automatically enter the auto shutdown cycle This completes the basic operation for the UH 200B and UH 200 33 Part3 DAILY OPERATION ATTENTION SERVICE ALARM Flashing LED s See Fig 1 indicate Low detergent and or dirty water level probe TO RESET SERVICE ALARM 1 Push POWER button on touchpad control machine will drain and then shutdown completely CAUTION Surfaces may be hot allow dishwasher surfaces time to cool 2 Open door remove dishrack 3 Locate water leve probe See Fig 2 located at left rear corner of dishwasher interior 4 Use a stainless steel or Scotchbrite scouring pad to clean the probe pins of any grease and scale build up DO NOT USE SCOURING PADS MADE OF FERROUS METAL 5 Check the detergent chemical supply container See Fig 3 and make sure there is sufficient detergent Replenish if necessary 7 Close machine door fully 8 Push Power button on touchpad control to refill machine 9 Call service agent if alarm persists EXTENDED WAS
70. d display zz NOTE There are no test points on the transducer nor the circuit board If the pressure reading displayed is incorrect then check that the incoming water supply flowing pressure is 20 22 PSI 138 151 kPa If flowing pressure checks OK then replace the pressure transducer CAUTION The pressure transducer pins are delicate Use caution when handling to avoid bending or breaking the pins Pressure To temperature Transducer pressure display bd _ control cabinet Red stripe indicates Pin1 1 ATTENTION Transducer must be installed so Pins point as shown Pressure 7 Transducer 4 77 ae not included with transducer Final Rinse Manifold Pressure Transducer UH 200B UH 200 ONLY To replace the pressure transducer 1 the main water supply to the machine off Push the POWER pushbutton off if machine is ON to enter auto shutdown Turn off main incoming power Pull machine out if necessary Remove top and side panels Note the red line on the transducer cable and disconnect continued next page 89 Part 8 COMPONENT REPAIR AND REPLACEMENT 8 2 6 Pressure Transducer UH 200B UH 200 C ont continued from previous page Pressure To temperature Transducer pressure display bd 7 control cabinet Pressure Transducer n Red stripe f indicates Pin1 not included with transducer ATTENTION Transducer must be installed so Pins point
71. e Hz FLA Ampacity Phase Max Fuse Size Meum 1201607 25s Part2 INSTALLATION 2 8 Electrical Connections Three Phase 2 8 1 Model UH 200B Only WARNING The installation of electrical supplies and controls must conform to local codes or in the absence of local codes the National Electrical Code and good trade practices WARNING When working on the dishwasher disconnect the electrical service and place a red tag at the disconnect switch to indicate work is being done on that circuit ATTENTION INSTALLER Use flexible conduit to connect incoming power to the dishwasher to allow the machine to be pulled out 5 ft 1524mm for servicing A service loop is recommended Service enters at the right rear corner of the machine The main connection block is located on the right side of the dishwasher See Section 1 4 page 4 1 A qualified electrician must compare the electrical power supply with the machine electrical specifications stamped on the MACHINE ELECTRICAL CONNECTION PLATE before connecting to the incoming service through a fused disconnect switch or circuit breaker Supplied by others The plate is located near the main terminal block 2 Model UH 200B utilizes a 208 240VAC 4 wire plus ground system consisting of four power wires which includes a current carrying neutral wire A fifth wirefor machine ground also must be provided CAUTION Before connecting power to the machine check that the volt
72. e UH 200B UH 200 test points for checking the thermistor temperature output Thermistor Resistance Chart Approx Ohms 80 F 27 C 90 F 32 C 100 F 38 C 110 F 43 C 120 F 49 C 130 F 55 C 140 F 60 C 150 F 66 C 160 F 71 C 170 F 77 C 180 F 82 C 190 F 88 C 200 F 93 C 210 F 99 C To replace the thermistor 1 Turn the main water supply to the machine off 2 Push the POWER pushbutton off if machine is ON to enter auto shutdown Otherwise turn machine on then off This will bleed pressure off water line Turn off main incoming power Pull machine out if necessary Remove panels as required Disconnect the molex connector on the thermistor leads Booster tank UH 200B Remove the thermistor 8 Apply Loctite 565 pipe sealant or comparable to the threads of the replacement part 9 Install in reverse order 10 Restore power and water and check for leaks and proper operation 11 Reinstall panels 12 Return machine to permanent location ensuring machine is level 13 Check supply hoses at rear of machine to ensure they are not kinked aoe Ww Wash tank All models 91 Part 8 COMPONENT REPAIR AND REPLACEMENT 8 2 8 Wash Tank Heater and High Limit Thermostat The wash tank heater is mounted in the bottom of the wash tank sump It maintains the wash tank water temperature at a minimum of 150 F 60 C The heater is protected fr
73. e wash arm bearings 1 Remove Knurled retaining screw from the wash arm For UH 200B UH 200 first remove rinse arm assembly 2 Place the wash arm face down on a clean working surface 3 Remove the wash arm hub with an adjustable wrench The wash arm nut on the other side is keyed so it will not turn 4 Separate the hub and nut from the stainless steel arm 5 Carefully press out the old bearing in each piece 6 Press anew bearing in the hub and nut DO NOT HAMMER THE BEARING IN PLACE 7 Reassemble in reverse order 8 Reinstall the arm in the machine and spin to check for smooth operation Remove wash arm hub Separate hub and nut from wash arm Wash arm nut bearing PRESS new bearings in DO NOT HAMMER Wash arm hub bearing 97 Part 8 COMPONENT REPAIR AND REPLACEMENT 8 2 13 Rinse Arm Bearings UH 200B UH 200 Only The UH 200B UH 200 dishwasher models use two interchangeable wash arm assemblies and two interchangeable rinse arm assemblies Refer to Section 8 2 12 for wash arm bearing repair Each rinse arm contains two replaceable bearings To replace the rinse arm bearings Unscrew the knurled spindle in the rinse arm assembly and remove the rinse arm assembly Place the rinse arm on aclean working surface 3 Hold the knurled retaining nut on the underside of the rinse arm and unscrew the knurled spindle Carefully press out the old bearings in the stainless steel rinse arm 5
74. eassemble the machine 7 Leave door open to aid in drying the interior of the dishwasher 35 Part 4 CLEANING AND MAINTENANCE 36 4 3 Deliming Schedules All Models Y our dishwasher should be delimed regularly depending on the mineral content of your water Inspect the machine interior for mineral deposits white residue and use a deliming solution for the best cleaning results WARNING Deliming solutions or other acids must not come in contact with household bleach sodium hypochlorite or any chemicals containing chlorine iodine bromine or fluorine Mixing will cause hazardous gases to form Skin contact with deliming solutions can cause severe irritation and possible chemical burns WARNING Consult your chemical supplier for an appropriate deliming solution usage instructions protective gear and specific safety procedures The following general instructions are provided to assist the operator in deliming the dish washer In no case do these instructions supersede the chemical supplier s instructions in the use of a specific deliming product 4 3 1 Deliming Procedure All Models 1 2 DM a 10 11 12 13 14 15 16 Remove all racks and wares from the dishwasher Remove chemical pick up tubes from the containers and place in a catch pan on the floor UH 200B UH 200 may utilize detergent and rinse aid Push POWER button to enter auto shutdown cycle if machine is already o
75. eck all connections for leaks 11 Installation is complete 2 To Mp Harness NS 6 GD 6 Detergent Rinse aid D Sanitizer 26 exc Es ESI INSTALLER If you installing pumps not supplied by Champion then the amp chemical connection points gt limited to 2AMP maximum 4 gt 2 2 AMP maximum amp load per pump 55165 6 AMP total amp load lo ol Figure 2 10 2 Chemical Pump onnection Terminal Block Lower right side of machine base 22 Part2 INSTALLATION 2 10 Installing Optional Chemical Pumps Cont 2 10 1 Models UH 200B UH 200 To install the rinse aid pump 1 2 3 10 11 12 Remove the lower front access panel M ount the pump on the machine base with two screws Route the rinse aid tubing out the rear of the machine through the access hole located above and between the fill and drain hoses Pump rotation is clockwise The supply tube connects on the left side of the pump the discharge tubing connects on the right side of the pump Remove the 1 8 plug located in the final rinse manifold In
76. eeeemeee 1 15 100500 BREAKER VACUUM 1 2 1 16 108349 KIT REPAIR 1 2 VACUUM BREAKER eH 1 17 107424 ANB CDU S 1 18 112763 FITTING INJECTOR seen 1 19 112883 TUBING PUMP TO INJECTOR 1 8 OD X 1 161D 1 Part 9 REPLACEMENT PARTS See final rinse manifold for rinse aid injection point on UH 200B UH 200 p ud To detergent pump Water level probe and detergent injection point UH 200B UH 200 s Figure 9 6 Chemical Injections Points Water Level Probe Assembly UH 200B UH 200 Part 9 REPLACEMENT PARTS CHEMICAL INJECTION POINTS WATER LEVEL PROBE ASSEMBLY UH 200B UH 200 Fig 9 6 Part Item No No Part Description Qty 1 107424 PLUG DB Tm 1 2 100736 BOLT 1 4 X 3 4 HEX HD dA 4 3 112632 PROBE WATER LEVEL UH 200B 200 1 4 0509048 GASKET ALL MODELS iones anne at 1 5 106026 WA nee 11 6 100141 NUT GRIP 1 4 W NY LON INSERT a 4 7 106482 WASHERS zen aa Tm 4 10 112728 FITTING COM PRESSION 1 8 NPT X 1 4 1 11 112879 TUBING UH 200B UP 3200 u a are 1 13 112906 1 16 107966 NUT GRIP 10 32 WIN Y EON INSERT u a 1 17 107033 WA SEVER c e EE 1 Part 9 REPLACEMENT PARTS To Rinse Manifold To Rinse Manifo
77. eratingthe UH 200B and UH 200 C ont TEMPERATURE PRESSURE EXTENDED WASH FEATURE The EXTENDED WASH button pauses the normal wash cycle and holds the dishwasher in a continuous wash mode until the extended wash button is pushed again To activate the extended wash feature Push the START button to begin a cycle WAIT 16 seconds to allow the optional detergent pump time to inject detergent Push the EXTENDED WASH button The Extended Wash LED illuminates The Power LED remains lit the Start LED remains lit Dishwasher is held in continuous wash mode Push the EXTENDED WASH button again The Extended Wash LED goes out The Power LED remains lit the Start LED remains lit If the extended wash is deactivated before the 60 second wash cycle is complete the dishwasher will complete the normal wash cycle drain and finish with a final rinse If the extended wash is deactivated after the 60 second wash cycle time has elapsed then the dishwasher will immediately drain and finish with a final rinse EXTENDED WASH TEMPERATURE PRESSURE e 8882 888 mmm EXTENDED WASH START TEMPERATURE PRESSURE AUTO SHUTDOWN CYCLE Atthe end ofthe day pushing the POWER button initiates the Auto shutdown cycle which includes an automatic interior rinse down to aid in cleaning the machine Pushing the POWER button when the dishwasheris in cycle also will startthe auto shutdown cycle To a
78. erature probe Defective or tripped wash tank high limit Wash tank heater has lime build up Defective wash tank 140 F 60 C for UH 200B 409 229 rise boosters 1109 43 C for UH 200B 70 F 39 C rise boosters 180 F 82 C for UH 200 Check error codes Section 5 3 and 5 4 and contact service agent Contact service agent Clean and or delime machine Contact service agent Insufficient pumped spray pressure Clogged pump intake screen Clogged spray arms Scrap screen full of debris Low water level in tank Defective pump Worn spray arm bearings Drain valve clogged or defective Clean pump intake screen Clean spray arms M ust be kept clean and in place Check water level Contact service agent Replace bearings Contact service agent Insufficient final rinse or no final rinse UH 200B UH 200 Faulty pressure reducing valve Improper setting on Clogged rinse nozzle and or arm Clogged line 5 Defective fill rinse solenoid valve Fill hose rear of machine is kinked Water supply line too small Replace PRV Correct flowing pressure setting is 20 22 PSI 138 151 kP
79. ettings for the dispenser pumps The wash tank holds 3 6 US gal 13 6 liters of water e Initial fill receives three doses of detergent from the detergent pump Detergent is injected in the wash tank through a fitting at the rear of the wash tank Detergent is injected during the first 1 to 16 seconds of the wash cycle The final rinse utilizes 1 1 U S gal 4 2 liters of water per rack Rinse aid is injected into the final rinse manifold The manifold is located in the top left rear corner of the dishwasher Rinse aid is injected during the last 11 seconds of the final rinse cycle Dispenser pump output rates Detergent 69 ml min Rinse aid 35 ml min Detergent time adjustment Turn the POT CW to increase run time from the beginning of the wash cycle Rinse aid time adjustment The final rinse cycle is 11 seconds Turning the POT CW moves the pump start point backward from the end of the rinse cycle 2 The following describes the operation of the chemical prime button Refer to Fig 2 9 4 below The POWER button must be pushed ON to operate the prime button The PRIME button is enabled whenever the temperature display is active The PRIME button operates both dispensing pumps at the same time POWER EXTENDED START WASH 160 Champion TEMPERATURE PRESSURE Figure 2 9 4 UH 200B UH 200 Touchpad Display To primethe detergent and rinse aid pumps 3 Insert pick
80. ft inside corner of the door The magnet operates the door safety switch located in the top mounted slide out control cabinet The door must be fully closed whenever the dishwasher is in an automatic cycle gt NOTE The dishwasher will not operate when the POWER button is pushed if the door is open on initial power up Figure 3 4 1 Door Safety M agnet L ocation Control Circuit Breaker The 8 control circuit breaker is located on the left lower side of the dishwasher behind the lower front access panel The circuit breaker is designed to trip and break the 120VAC control voltage to the dishwasher in the event of an overload or other abnormal condition This protects the dishwasher s solid state circuitry Breaker Thecircuit breaker must be reset manually The dishwasher will not operate if the circuit breaker has tripped Figure 3 4 2 Circuit Breaker L ocation 29 Part3 DAILY OPERATION 3 4 Description of Operator Controls and Displays Cont Refer to the illustrations and table below for the location and function of the operator controls and displays Touchpad Display 2 m ara Champion TEMPERATURE PRESSURE 1 UH 200B UH 200 30 Part 4 DAILY OPERATION CONTROL TYPE DESCRIPTION OF OPERATION All Models Power is OFF Push Power Button Activates the solid state controls and begins Power Touchpad automatic fill operation ON OFF mem
81. fter normal operation WARNING When working on the dishwasher disconnect the electrical service and place a red tag at the disconnect switch to indicate work is being done on that circuit WARNING U se extreme caution when testing circuits while power is applied to the machine 8 1 1 Special Tools and Materials Tools M etric fasteners are used in the wash pump assembly and the wash arm supports Standard set of metric tools Materials The following solvents sealants and pipe compounds are required for repairs Pipe sealant Loctite amp 565 or comparable Champion P N 106437 Silicon sealant 732 RTV or comparable Champion P N 104827 Thread sealing teflon tape Champion P N 106436 Plumber s putty Compound 440 or comparable Champion P N 104889 Heat Sink Compound used on high limit thermostat Champion P N 110563 79 Part 8 COMPONENT REPAIR AND REPLACEMENT 8 1 Introduction Cont 8 1 2 Electrical Component Locator Diagram The combined illustration below shows the major electrical components except chemical pumps for models UH 200B and UH 200 dishwashers Pressure Transducer Final Rinse Thermistor UH 200 series UH 200 series Final Rinse Manifold 4 UH 200 series Vacuum UH 200 series Door Safety Magnetic Reed Switch gt 0 4 5 BH Ay gt Wash Tank Heater Element
82. h 23 7 8 607mm Length 23 584mm Volume crated 15 cu ft 4 cu m Racks per hour NSF rated A pprox Shipping weight crated 215 Ibs 98 Kg UH 200B UH 200 30 racks hr Wash Tank Capacities UH 200B UH 200 3 6 US gal 14 liters Water Usage per rack UH 200B UH 200 1 1 US gal 4 2 liters 2378 607 OH Connection Terminal Block 23 584 Electrical Power Routing PLAN VIEW Model UH 200B Model UH 200 Part1 GENERAL SPECIFICATIONS 1 4 Dimensions and Capacities and Rough in 584 3 76 Wall Clearance E Model UH 200B Model UH 200 333 4 858 141 4 362 SIDE VIEW WARNING 2 Water Refer to Part 2 Installation Sections 2 1 through 2 9 before connecting the dishwasher to utilities 3 Drain Part 2 INSTALLATION This Page Intentionally Left Blank Part 2 INSTALLATION PART 2 INSTALLATION 2 1 Introduction In This Part Unpacking the dishwasher Permanent Placement Making Utility Connections Installing Optional Components 2 2 Unpack the Dishwasher Y our dishwasher was completely assembled inspected and thoroughly tested at our factory before shipment to your installation site The dishwasher is shipped on a single pallet Optional components may have been shipped separately Check your packing list thoroughly gt NOTE Immediately after unpacking your mach
83. hesive AVOID GETTING ACETONE ON THE DISPLAY PLASTIC obo n9 To replace the Touchpad Display 1 Remove the touchpad display from its packaging 2 Notice the protective film on the red display windows 3 Apply asmall piece of tape on one corner of the protective film Lift the tape off quickly to pull the film off the red display window 4 Peel the protective film off completely 5 Carefully thread the display cables through the holes in the control cabinet 6 Place the touchpad display on top of the cabinet adhesive backing facing up 7 Remove the adhesive backing and carefully apply the display to the cabinet 8 Go slowly the adhesive is very strong and will adhere on contact 9 M ake sure the red windows are centered on the LED cutouts and apply even pressure on the touchpad display to complete the installation Part 7 SOLID STATE CIRCUIT BOARDS 7 5 3 Touchpad Display Removal and Replacement Cont TEMPERATURE TEMPERATURE Apply small piece of tape to corner Pull protective film of protective film and off display window quickly remove tape Disconnect display cables Separate touchpad display from control cabinet Continued nextpage 75 Part 7 SOLID STATE CIRCUIT BOARDS 7 5 Circuit Board Removal and Replacement Cont Scrape off adhesive with knife and remove remaining adhesive with acetone based solvent AVOID GETTING ACETONE ON THE DISPL
84. hpad Display Pin 1 Pushbuttons Timer Control Board Connector Diagram To 1 gt NOTE on Timer Control Board Red stripe on cable indicates PIN 1 location Pin 1 Pin 1 456 456 456 456 3 7 3 7 8 7 8 7 2 MEZ MAE 521 8 9 1 9 1 91 9 0 10 0 10 0 10 0 10 FILL DETERGENT SANITIZER RINSE Time Select Fill Chemical Dispenser Board Connector Diagram Figure 7 4 1 Timer Control and Time Select C onnector Diagrams 64 Part 7 SOLID STATE CIRCUIT BOARDS 7 4 1 Timer Control and Time Select Fill C hemical Dispenser Board Connector Descriptions Refer to Fig 7 4 1 on page 64 and the test point descriptions below Timer Control Board Connectors 1 10 connector accepts the cable from the Time Select Board There are no test points on CN1 CN2 8 connector accepts the touchpad display cable Refer to Section 7 4 3 page 76 for test points CN3 10pin connector hard wired to the circuit board There are no test points on CN3 CN4 4pin connector accepts the status LED cable from the touchpad display There are no test points on CN4 5 4 connector accepts the wiring harness connector 120VAC test points for Wash pump output Fill Rinse valve Drain pump and drain valve CN6 4pin connector accepts the wiring harness connector 120VAC test points for AC Power input to the Timer Control Board
85. incoming power connection point Mounted on bracket right front of base Connection point between control cabinet to lower components Mounted on bracket upper front of base 120VAC from temperature display board energizes contactor coil Mounted on bracket upper left side of base Fills booster on initial start up UH 200B only Mounted on bracket upper left side of base 8 amp manual reset breaker protects 120VAC control circuit Mounted left side of base Heats final rinse water UH 200B only One mounted on top of booster One mounted on side of wash tank Manual reset Trips if temperature exceeds 210 F 99 C Senses temperature and provides an input to temperature display bd Wash tank thermistor provides a thermometer input to the tem perature display and provides thermostatic input for wash tank heat control Booster tank thermistor provides thermostatic input for booster tank heat control on the temperature display bd Final rinse thermistor provides a thermometer input to the tem perature display Thermistor is located in the final rinse manifold for UH 200B UH 200 and the fill chute for all other models Mounted left side of tank assembly Senses water level for timer control bd input UH 200B UH 200 only Mounted left rear top corner of tank assembly in final rinse manifold Senses water pressure during final rinse and provides display input to temperature display bd UH 200B UH 200 only M
86. ine inspect for any shipping damage If damage is found save the packing material and contact the carrier immediately BE SURE TO COMPLETE AND RETURN THE WARRANTY CARD INCLUDED WITH YOUR MACHINE gt NOTE The installation of your dishwasher must meet all applicable health and safety codes and conform to good trade practice Perform the following steps to unpack the dishwasher 1 Remove protective wrap and hold downs from the pallet 2 Inspect for any shipping damage If damage is found save the packing material and contact the carrier immediately 3 Check the interior of the dishwasher for the following items stowed inside 1 set of dishracks Upper and lower spray arm assemblies Round scrap screen Rubber pads for leveling feet set of 4 3 4 line strainer P N 110768 M UH 200B UH 200 Only Warranty information packet 4 Removethe dishwasher from the skid 5 Movethe dishwasher to its permanent location Refer to Section 2 3 Permanent Placement Part 2 INSTALLATION 2 3 Permanent Placement Special Tools Bubble level 3 ft Perform the following steps to place the dishwasher in its permanent location Refer to the machine diagrams in Section 1 4 Dimensions and C apacities page 4 5 1 Before moving the dishwasher into position inspect the location site to ensure the electrical plumbing and ventilation services if required are provided in the correct locations
87. ine strainer The valve must be the same size as or larger than the water supply line The shutoff valve allows for servicing of the machine 4 The dishwasher is supplied with 1 2 D 6 ft 1829mm reinforced flexible hose The hose is fitted with 3 4 female garden hose fitting CAUTION The reinforced fill hose supplied with the dishwasher is designed for high pressure and high temperature application and should never be replaced with common garden hose 5 Connect a 3 4 1 0 minimum copper water supply line fitted with a 3 4 male garden hose fitting supplied by others M ake sure the water supply line is flushed out before making connection to the machine d Figure 2 4 1 Water Connections odel UH 200B UH 200 d UH 200B shown 6 ft 1829mm flexible fill hose 3 4 PRV pressure reducing valve 3 4 line strainer 3 4 Water shutoff Valve 9 i 3 4 1 0 copper water supply line Part2 INSTALLATION This Page Intentionally Left Blank 10 Part 2 INSTALLATION 2 5 Drain Connections following instructions apply to all dishwasher models Refer to Fig 2 5 3 below WARNING The installation of this unit must conform to local codes or in the absence of local codes to all National Codes governing plumbing sanitation safety and good trade practices ATTENTION INSTALLER dishwashers fitted with 6 ft 1829mm
88. iner 2 16 112850 HOSE ELBOW LOWER WASH eene 1 17 323393 THESES SPECIALE 1 18 105993 P HOSE ar n e n ecc eec bed aea 3 19 112849 HOSE 1 20 112848 HOSE WASH PUMP DISCHARGE 1 21 106482 WASHER 1 4 2 Part 9 REPLACEMENT PARTS lt 2 Figure 9 11 Wash Pump M otor Assembly All M odes Part 9 REPLACEMENT PARTS WASH PUMP MOTOR ASSEMBLY ALL MODELS Fig 9 11 Part Item No No Part Description Qty 1 113021 VORUTE PUMP ra sl ether tette tuns 1 2 SCREW 9 3 NUT RETAINING rennen ts 1 4 WASHER 5 isis eek 1 5 WASHER 1 6 112843 IMPELLER 60H ree rt n tian ee ia 1 7 112842 IMPELLER ctt de dec 1 8 WASHER tette ed ter e E PUR 1 9 112838 SEAL ASSEMBEN 1 10 113022 GASKET re e det 1 11 113023 ELAN GE PUM P trt tee 1 12 112636 CAPACITOR 10 mf 220 2 1 UH 200B 13 112637 CAPACITOR 31 5 mf 115V nennen nn 1 UH 200 14 113018 MOTOR PUMP 115V 60 1 INCLUDES ITEM S 1 6 10 11 13 1 UH 200
89. ines The instructions contained in Parts 6 7 8 and 10 are intended for Champion authorized techni cians and should not be used by untrained personnel Persons not properly trained should not attempt to repair or make adjustments to the dishwasher If you require technical assistance first contact your authorized Champion service agent in your area Champion National Service Department Champion USA Champion Canada 1 800 858 4477 1 800 263 5798 Please have the model serial number voltage and phase of your machine ready when you call The following warnings apply to the instructions and procedures contained in Parts 6 7 8 and 10 WARNING Machine surfaces become hot during normal operation WARNING When working on the dishwasher disconnect the electrical service and place a red tag at the disconnect switch to indicate work is being done on that circuit WARNING Observe all safety procedures when power is applied to the machine and during troubleshooting 45 Part 6 SERVICE TROUBLESHOOTING 46 6 2 Operation Sequence and Timing Charts Sections 6 2 1 through 6 2 3 explain the operation and timing of the dishwasher models 6 2 1 Operation Sequence Model UH 200B UH 200 Refer to the operation sequence below and the timing chart on the next page Upon application of Input power all outputs are initially de energized and the display is dis abled Momentary closure of the Power Pushbutton en
90. inse cycle The heater is protected from a low water condition by a surface mounted high limit thermostat Check the high limit thermostat before replacing a suspected heater 1 Qr obe Push the POWER pushbutton off if machine is ON to enter auto shutdown Turn off main incoming power Remove lower front panel Push manual reset on high limit Pull one lead from high limit and check for continuity Replace if open A pply a coating of heat sink compound P N 110563 to the high limit base before mounting to tank To replace the booster tank heater 1 2 3 10 11 12 13 Perform steps 1 5 above Turn off incoming water suppy Remove drain plug in bottom of booster and drain water from tank Disconnect heater wires Remove 3 retaining element retaining nuts and washers Remove element Replace booster element gasket DO NOT REUSE OLD GASKET DO NOT APPLY RTV SEALANT TO HEATER FLANGE Install the new element and tighten the retaining nuts a cross pattern until element and gasket are snug DO NOT OVER TORQUE THE RETAINING NUTS DOING SO WILL DAMAGE THE TANK STUDS Reconnect heater wires Restore power and water Check the element and the drain plug for leaks Check for proper operation Reinstall lower front panel Install new gasket DO NOT REUSE THE OLD GASKET 93 Part 8 COMPONENT REPAIR AND REPLACEMENT 8 2 10 Wash Pump Motor All Model
91. king corresponds with a red line on the connector cable onan Make sure the 1 and the red line match when reconnecting a cable to the circuit board 0 FILL DETERGENT SANITIZE installing the replacement 0 Set POTS t board er on replacement boa to match old board before j 27 de amp 0 0 RINSE AID 77 Part 8 COMPONENT REPAIR AND REPLACEMENT This Page Intentionally Left Blank 78 Part8 COMPONENT REPAIR AND REPLACEMENT PART8 COMPONENT REPAIR AND REPLACEMENT 8 1 Introduction In This Part Special Tools and aterials Electrical Component Locator Diagram Troubleshooting the 10 point Terminal B oard Component Repair and Replacement Procedures The instructions contained in Part 8 are intended for Champion authorized technicians and should not be used by untrained personnel Persons not properly trained should not attempt to repair or make adjustments to the dishwasher The instructions do not cover every possible trouble condition or repair procedure The Champion authorized service technician should rely on experience factory seminars and consultation with the Champion National Service Department for conditions not covered in this manual The following warnings apply to the procedures contained in Part 8 WARNING M achine surfaces are hot during and a
92. ld Figure 9 7 Sump and Spray Piping Assembly UH 200B UH 200 Part 9 REPLACEMENT PARTS SUMPAND SPRAY PIPING ASSEMBLY UH 200B UH 200 Fig 9 7 Part Item Part Description Qty 1 110215 SCREW SPECIAL ertet ta 1 2 107873 1 3 112641 SUPPORT UPPER WASH ARM ssassn 1 4 109466 3 5 112535 HOSE UPPER WASH eser e ne ees 1 6 105993 CLEA MIPS OS Ev itecto aai er tete D dod 2 7 112642 DEFLECTOR iit nenne better to 1 8 112771 SCREEN ROUND SCRAP emen eene 1 9 112544 ELEMENT WASH 1 2 KW 208 240V UH 200B 1 112545 ELEMENT WASH 12 KW 115V 200 1 10 323265 COVER PUMP INTAKE esee eene 1 11 112640 SUPPORT INSIDE LOWER WASH 1 12 110562 THERMOSTAT FIXED 0 0 00 4 1 13 108954 NUT GRIP 6 32 W NY LON INSERT 0 2 14 112612 THERMISTOR TEM PERATURE PROBE 1 15 109467 ORIN a 1 16 109460 e dcr 1 17 109463 SUPPORT OUTSIDE LOWER WASH 1 18 1001417 TOPLOCK 1 4 20 4 19 106026 WASHER FLAT AM esee antun 4 20 110881 WA SHER SEALING
93. lexible fill hoses located at the rear of the machine Make sure supply hose does not kink resulting in a water flow restriction gt NOTE Your plumbing installation must allow the machine to be pulled out for repair Part 2 INSTALLATION 2 4 1 Water onnections M odels UH 200B UH 200 Refer to the Table below for minimum water supply requirements Minimum Minimum Maximum Incoming Water Supply Water Supply Temperature Flowing Pressure UH 200B with 40 F 22 C Booster 140 F 60 C 20 22 PSI 138 151 kPa UH 200B 70 with 70 F 39 C Booster 110 F 43 C 20 22 PSI 138 151 kPa UH 200 without Booster 180 F 82 C 20 22 PSI 138 151 kPa Flowing pressure is observed when the fill water solenoid valve is open while the machine is in a final rinse operation Refer to Part 3 Operation Section 3 21 for a description of the front panel display final rinse pressure readings 1 If flowing pressure exceeds 22 PSI 151kPa a pressure reducing valve PRV must be installed in the incoming water supply and adjusted to the min max listed above The PRV is supplied by others or may be purchased unmounted from Champion 2 Champion supplies a 3 4 line strainer unmounted and shipped inside the dishwasher The line strainer must be installed in the water supply line upstream from the 3 A 3 4 manual shutoff valve supplied by others should be installed in the water supply line upstream from the PRV and l
94. m L1 L2 N Hz Min Wire Amp Min Wire Amp Phase Machine FLA Max Fuse Size Machine FLA Fuse Size Single Phase Power Requirements Model UH 200B Only 13 Part 2 14 INSTALLATION 2 7 Electrical Connections Single Phase Cont 2 7 2 Model UH 200 Only WARNING The installation of electrical supplies and controls must conform to local codes or in the absence of local codes the National Electrical Code and good trade practices WARNING When working on the dishwasher disconnect the electrical service and place a red tag at the disconnect switch to indicate work is being done on that circuit ATTENTION INSTALLER Use flexible conduit or cable to connect incoming power to the dishwasher to allow the machine to be pulled out 5 ft 1524mm for servicing A service loop is recommended Service enters at the right rear corner of the machine The main connection block is located on the right side of the dishwasher See Section 1 4 page 4 1 qualified electrician must compare the electrical power supply with the machine electrical specifications stamped on the MACHINE ELECTRICAL CONNECTION PLATE before connecting to the incoming service through a fused disconnect switch or circuit breaker Supplied by others The plate is located near the main terminal block 2 Model UH 200 utilizes 120VA C power supply Power cord and plug are supplied by others Voltage Machine Min Wir
95. m No No Part Description Qty 1 322688 PANEL 1 2 322660 PANEL CONTROL ichs 1 3 322684 CHANNEL HARNESS 1 4 323413 BRACKET gt ee 1 5 0503647 BUSHING STRAIN RELIEF ae meter tes 1 6 107966 NUT GRIP 10 32 W NY LON INSERT 22 2 8 7 107033 WASHER quee ee ee 8 8 107967 NUT GRIP W NY LON INSERT u ea ka 2 9 106026 WASHER FLAT DA ee 2 10 100007 SCREW 10 32 X 3 8 TRUSS HD anne 2 11 106486 WASHER LOCK 10 SPLIT u a a 4 Part 9 REPLACEMENT PARTS Figure 9 2 Tank Base Guide Rails and Panels UH 200B UH 200 Part 9 REPLACEMENT PARTS TANK BASE GUIDE 5 AND PANELS UH 200B UH 200 Fig 9 2 Part Item No No Part Description Qty 1 322639 TANK ASSEMBLY cach littere e 1 2 322648 BASE RNSSEM eene beri e hr eon 1 3 108035 FOOT AGEN ELING eintreten Preterea 4 4 108036 CAP LEVELING FOOT en 4 5 322650 RE tci en e tec nmt 1 6 322651 E HEU ect ertet Pr mte 1 7 322649 PAIN Els FERONT sande een ae 1 8 322682 5 ern 1 9 322685 CHANNEL FUEL ER bert eter rere ete nee 2 10 112892 SHIELD BASE SIDE dier tet teet metes 1 11 112892 SHIELD te rentes 1
96. ming Chart UH 200B 0 200 Self Diagnostics Display 2 eene Circuit Board Layout Models eene Timer Control Board Jumpers and LED Status Lights Temperature Pressure Display Board Jumpers and LED Status Lights Time Select Fill Chemical Dispenser eene Board Potentiometers Rinse Aid Pump Adjustment Timer Control Board and Time Select Board Connector Diagrams Temperature Display Board esee Connector Diagram Touchpad Display Connector Diagram Electrical Component Locator Diagram eene 10 Point Terminal Board 11 12 17 18 18 19 19 21 22 29 29 40 47 49 53 54 56 58 61 64 66 68 80 82 IX TABLE OF CONTENTS Figure Figure Figure Figure Figure Figure Figure Figure Figure Figure Figure Figure Figure Figure Figure Figure 9 1 9 2 9 4 9 5 9 6 9 7 9 8 9 9 9 10 9 11 9 12 9 13 9 14 9 15 9 16 9 17 LIST OF FIGURES Cont Upper Hood Assembly and Control Cabinet All Models 104 Tank Base Guide Rails and Panels UH 200B UH 200 106 Door and Door Safety Switch Assembly All Models 108 Final Rinse Manifold Assembly UH 200B UH 200 110 Chemical Injection
97. n Turn main power off atthe service disconnect switch Adjust the Fill POT CCW to reduce fill time Turn water supply on and begin fill adjustment procedure steps 8 14 again 59 Part 7 SOLID STATE CIRCUIT BOARDS 60 7 3 Replacement Circuit Board Set up Cont 7 3 5 Time Select Fill Chemical Dispenser Board POTENTIOMETER ADJ USTMENT continued WARNING When working on the dishwasher disconnect the electrical service and place a red tag at the disconnect switch to indicate work is being done on that circuit Refer to Section 2 9 Chemical C onnections pages 16 19 and to Potentiometer Adjustment Steps 1 8 pages 58 59 before proceeding with the instructions below DETERGENT RINSE AID AND SANITIZER POTENTIOMETER ADJ USTMENT The UH 200B UH 200 model dishwashers utilize optional detergent and or rinse aid chemical dispensing pumps NOTE gt Chemical adjustments require testing equipment to accurately determine the proper type and concentration of commercial dishwashing chemicals This is best performed by a qualified chemical supplier DETERGENT ADJUSTMENT Detergent is injected in the first 30 seconds of the automatic cycle Turn the Detergent CW to increase the pump run time CCW to decrease the pump run time The minimum setting for the detergent pump is 1 second The pump is locked out after the fill rinse valve closes RINSE AID AND SANITIZER ADJUSTMENT M odels UH 200B UH 200 may have the op
98. n Push POWER button again to fill machine Run four 4 automatic cycles to clear chemical from chemical supply tubing Push POWER button to enter auto shutdown cycle and drain the machine completely Push POWER button to fill machine Open door and add deliming solution per chemical supplier s instructions directly in wash tank UH 200B UH 200 hold 3 6 US gal 13 6 liters of water Close door Push START button and immediately push EXTENDED WA SH button Run machine in extended wash mode per chemical supplier s recommended time Push EXTENDED WA SH button to exit extended wash mode M achine will complete automatic cycle Open door and inspect interior for mineral deposits Repeat steps 3 11 if required Run four 4 additional cycles to flush all deliming chemicals from machine Replace chemical pick up tubes in containers and prime the chemical dispensing system Deliming is complete Part 4 CLEANING AND MAINTENANCE 4 4 Preventive Maintenance Schedules Daily Maintenance Requirements Perform the following procedures every day 1 Check the chemical supply containers and replenish as needed 2 Inspect scrap screens for bent or damaged parts 3 Check spray arm bearings and make sure arms turn freely Weekly M aintenance R equirements Perform the following procedures every week 1 Inspect for leaks including all piping and supply connections Tighten or repair as required 2 Inspect the door and doo
99. ng rinse aid pump is a peristaltic e pump enclosed in a black housing Route tubing Rinse aid Detergent Figure 2 10 1 UH 200B UH 200 Chemical Pumps To install the detergent pump 1 Remove the lower front access panel 2 Mount the pump on the machine base with two screws 3 Route the detergent tubing out the rear of the machine through the access hole located above and between the fill and drain hoses 4 Pump rotation is clockwise The supply tube connects on the left side of the pump the discharge tubing connects on the right side of the pump 5 Remove the 1 8 plug at the rear of the machine and replace with the 90 detergent fitting Apply teflon tape to the fitting threads to ensure a watertight seal continued on next page 21 Part 2 INSTALLATION 2 10 1 Models UH 200B UH 200 continued from previous page To install the detergent pump continued 6 Connect the detergent tubing from the outlet of the pump to the 90 fitting 7 Connect the pump motor wires to the harness wires supplied in the installation kit 8 Referto Fig 2 10 2 below Connect the wiring harness to the 10 pin terminal block located on the lower right side of the machine Connect the 2 harness wire to the Common 2 terminal on the block Connect the 24 wire to the Detergent 24 terminal on the block 9 Referto Section 2 9 2 page 19 for pump priming and adjustment procedures 10 Ch
100. ns improper use abuse tampering improper installation or failure to follow maintenance and operation procedures j Wear on Pulper cutter blocks pulse vanes and auger brush sp Examples the defects not covered by warranty include but are not limited to 1 Damage to the exterior interior finish as a result of the above 2 Use with utility service other than that designated on the rating plate 3 Improper connection to utility service 4 Inadequate or excessive water pressure 5 Corrosion from chemicals dispensed in excess of recommended concentrations 6 Failure of electrical components due to connection of chemical dispensing equipment installed by others 7 Leaks or damage resulting from such leaks caused by the installer including those at machine table connections or by connection of chemical dispensing equipment installed by others 8 Failure to comply with local building codes 9 Damage caused by labor dispute Warranty of Parts Champion warrants all new machine parts produced or authorized by Champion to be free from defects in material and workmanship for a period of 90 days from date of invoice If any defect in material and workmanship is found to exist within the warranty period Champion will replace the defective part without charge DISCLAIMER OF WARRANTIES AND LIMITATIONS OF LIABILITY CHAMPION S WARRANTY IS ONLY TO THE EXTENT REFLECTED ABOVE CHAMPION MAKES NO OTHER WARRANTIES EX
101. ntrol Board Removal Refer to the pictures and instructions given below To remove the timer control board Check and set the program jumpers before you install a replacement board 1 Turn power off at the dishwasher and the main power disconnect switch Open the front door Remove screws located in each corner of the hood Pull the slide out control cabinet out fully Fold back the protective mylar drip shield Note location then carefully disconnect display cables and connectors Remove 6 32 grip nuts retaining the board Lift the board up and off the mounting studs Replace the board in reverse order ea eG gt NOTE Plug ins on circuit boards are marked with a number 1 This marking corresponds with a red line on the connector cable Make sure the 1 and the red line match when reconnecting a cable to the circuit board Part 7 SOLID STATE CIRCUIT BOARDS 7 5 1 Timer Control Board Removal Cont Disconnect touchpad dis play cables Disconnect interconnect cables Observe caution when using tools near circuit board Remove 6 32 retaining nuts Handle the circuit board by its edges 71 Part 7 SOLID STATE CIRCUIT BOARDS 72 7 5 Circuit Board Removal and Replacement Cont Refer to the General N otes on page 70 before proceeding with the instructions below WARNING When working on the dishwasher disconnect the electrical service and place a red tag at the disconne
102. of proper loading operator controls and basic operating procedures STEP 2 Check the general condition of your dishwasher D oes the dishwasher appear level re the spray arms and screens clean and in place 15 the door fully closed STEP 3 Some problems may be resolved by double checking the supply connections to your dishwasher Perform the following steps to double check your dishwasher service connections Push the POWER button on your dishwasher OFF then Turn the main power OFF the main service disconnect switch or fused circuit breaker If your dishwasher has a cord and plug disconnect the plug and reconnect Turn the main power ON and recheck the dishwasher operation Turn the dishwasher water supply valve OFF and back on again Check the water temperature supplied to the dishwasher Are building water heaters operating correctly Check the flow of the building drain system drains clogged or running slow Check the chemical dispensing supplies strainers clean Arethe pick up tubes in the correct containers Proceed to the next page if the above checks did not resolve the trouble condition 39 Part 5 OPERATOR TROUBLESHOOTING 40 PART5 OPERATOR TROUBLESHOOTING 5 3 Using the Touchpad Display to evaluate problems All dishwashers perform a self diagnostics when you push the POWER button to turn the machine on Watching the display provides inf
103. om a low water condition by a surface mounted high limit thermostat Check the high limit thermostat before replacing a suspected heater 1 Push the POWER pushbutton off if machine is ON to enter auto shutdown 2 Turn off main incoming power 3 Remove lower front panel 4 Push manual reset on high limit 5 Pull one lead from high limit and check for continuity Replace if open 6 Apply a coating of heat sink compound P N 110563 to the high limit base before mounting to tank To replace the wash tank heater 1 Perform steps 1 5 above 2 Open machine front door and Remove heater leads and retaining nuts remove lower spray arm s 3 Remove round scrap screen and pump intake strainer 4 Disconnect heater wires and remove retaining nuts 5 Apply bead of sealing putty Compound 440 P N 104889 or comparable to heater flanges 6 Install washers and insert replacement heater in tank 7 Install retaining nuts Wipe off excess sealing putty from inside tank 8 Reconnect heater wires 9 Restore power 10 Check for leaks and proper operation 11 Reinstall lower front panel H Remove heater from sump 92 Part8 COMPONENT REPAIR AND REPLACEMENT 8 2 9 Booster Tank Heater and High Limit Thermostat UH 200B The booster tank assembly is mounted on the left side of the machine base It raises the incoming water temperature to a minimum of 180 F 82 C for the final r
104. orm to local codes or in the absence of local codes the National Electrical Code and good trade practices WARNING When working on the dishwasher disconnect the electrical service and place a red tag at the disconnect switch to indicate work is being done on that circuit ATTENTION INSTALLER Use flexible conduit to connect incoming power to the dishwasher to allow the machine to be pulled out 5 ft 1524mm for servicing A service loop is recommended Service enters at the right rear corner of the machine The main connection block is located on the right side of the dishwasher See Section 1 4 page 4 1 qualified electrician must compare the electrical power supply with the machine electrical specifications stamped on the MACHINE ELECTRICAL CONNECTION PLATE before connecting to the incoming service through a fused disconnect switch or circuit breaker Supplied by others The plate is located near the main terminal block CAUTION DO NOT CONNECT model UH 200B to a 120VAC circuit or to a 208 240VAC 2 wire system utilizing two power wires plus a ground 2 Model UH 200B utilizes 208 240VAC 3 wire plus ground system consisting of three power wires which includes a current carrying neutral wire A fourth wire for machine ground also must be provided Refer to the diagram and table below for UH 200B power requirements 120V gt 208 240 60 1 208 240 V 120V G 3 Wire Plus Ground System Diagra
105. ormation that will help you and your service agent troubleshoot certain problems The dishwasher self diagnostics provide the following information 1 All LED s illuminate indicating proper operation of the LEDs DETAIL 2 Display window s flash 888F WASH Figure 5 3 1 Self diagnostics Display UH 200 Series Shown Incorrect temperature readings can be checked by observing the display test to see if all segments are working 8 3 Error codes are displayed during self diagnostics and whenever the component is active during the automatic cycle EOF E1F E2F and ESF for machines programmed for F EOC E1C E2C and ESC for machines programmed for C See next page for descripti on of codes RINSE PRIME EXTENDED START NY 2 va TEMPERATURE PRESSURE DISPLAY SEGMENT lt ALL SEGMENTS WORKING SHOWS THE 4 or LOC is observed in the temperature display window All models may display LO because the temperature display indicates temperature from 115 F 46 C and above This is a normal condition during initial fill The LOF or LOC display at any other time may be an indication of a temperature problem in the dishwasher and should be investigated before proceeding with warewashing 5 4 Reading Error Codes Part 5 OPERATOR TROUBLESHOOTING The table below gives the meaning of the error codes and the dishwashe
106. ounted in bottom of wash tank sump Maintains wash tank water temperature at a minimum of 150 F 60 C Mounted left front corner of slide out control cabinet Prevents machine operation if door open or control cabinet pulled out 81 Part 8 COMPONENT REPAIR AND REPLACEMENT 8 1 Introduction Cont 8 1 3 Troubleshooting the 10 point Terminal Board The 10 point terminal board is mounted on a bracket located in the right front corner of the machine base The terminal board provides easy access for making voltage checks to most of the electrical components mounted on the base of the machine Voltages are measured between a numbered wire and common 2 All voltages are control voltage and should read approximately 120VAC 120VAC should be present at the terminal if the associated LED on the board is illuminated For example If the Drain LED is illuminated on the Timer Control Board then 120VAC should be present between Wire 54 and Wire 2 c Not connected To booster contactor coil HC2 From Temperature Display Bd lt 4 4 UH 200B 6 To wash tank heat contactor coil 50 gt Not connected D 6 D From Temperature Display Bd a 6 From Timer Control Bd 54 From Timer Contro Bd 4 24 CH All models 24 detergent pump if equipped 25
107. p i 0 1 Set to 11 sec 1 sec min Fill rinse valve closes 1 sec min 30 sec max Reference point for pump timeO Figure 7 3 4 Rinse Aid Pump Adjustment 61 Part 7 SOLID STATE CIRCUIT BOARDS 62 7 4 CircuitBoard Test Points and Connectors General Notes Sections 7 4 1 through 7 4 3 describe the location of harness connections to the solid state circuit boards The inputs outputs to peripheral components are noted on the diagrams where applicable WARNING Use extreme caution when testing energized electrical circuits CAUTION Do not attempt to test individual solid state components on the circuit boards gt NOTE There are no voltage tests required on the circuit board components Some components on the board may be damaged by an ohmmeter Technicians are only authorized to test the points described in the instructions below ATTENTION The dishwasher will not operate when the control cabinet is pulled out The magnetic reed door safety switch is not aligned with the door magnet when the control cabinet is pulled out for service In order to operate the dishwasher the door safety switch will need to be bypassed temporarily to perform some service checks ay WARNING M ake sure door is fully closed before bypassing the door safety switch Remove bypass when service is complete Place a magnet on or adja
108. place the defective component and check machine operation Refer to Section 7 5 page 70 Part 8 page 79 and Section 6 2 pages 46 48 er Com OY OD e Components not connected via the 10 point terminal board The following components are wired directly from the Timer Control Board in the control cabinet to the base via the wiring harness Wash pump contactor Wire 20 Fill Rinse valve Wire 23 The thermistors also are wired directly from the temperature display board in the control cabinet to their respective locations Wash tank thermistor Wires 9 and 10 Booster tank thermistor Wires 11 and 12 Final rinse thermistor Wires 7 and 8 83 Part 8 COMPONENT REPAIR AND REPLACEMENT 84 PART 8 COMPONENT REPAIR AND REPLACEMENT Cont 8 2 Components This section provides photos illustrations and basic instruction for the removal and replacement of the main components of the dishwasher It does not cover all components such as the wash arm supports hoses or panels These repairs require simple observation and basic mechanical skill and therefore are not included in this manual Chemical dispensing pump installation is covered in Section 2 10 Installing Optional Chemical Pumps pages 21 23 WARNING Machine surfaces are hot during and after normal operation WARNING When working on the dishwasher disconnect the electrical service and place a red tag atthe disconnect switch to indicate work
109. r component that is disabled until the condition causing the error code is repaired EOF E1F E2F and ESF are displayed for machines programmed for F 1 E2C and ESC are displayed for machines programmed for C ERROR CODE MODEL DESCRIPTION RESULT UH 200B EOF UH 200 EiF UH 200B UH 200 E1C zd All Models E2C ESF UH 200B UH 200 E3C Displayed in temperature display window Indicates a defective booster temperature thermistor in the built in booster Booster heater is disabled Final rinse temperatures will be low Temperature display shows EO Displayed in temperature display window Indicates a booster thermistor was not detected These models do not have a built in booster No effect on machine operation Displayed in temperature display window Indicates a bad wash temperature thermistor Wash tank heater is disabled Wash temperatures will be low Temperature display shows El Displayed in temperature display window Indicates a bad rinse temperature thermistor No component is disabled Temperature display shows E2 Displayed in pressure display window Indicates a bad pressure transducer No component 15 disabled Water pressure display shows E3 41 Part 5 OPERATOR TROUBLESHOOTING 42 PART 5 OPERATOR TROUBLESHOOTING Cont 5 5 Troubleshooting Guide Refer to the troubleshooting guide below to help diagnose and resolve a dish
110. r gasket for proper fit and ease of operation 3 Check the operation of the door safety switch 4 Check the flexible water supply and drain hoses at the rear of machine to ensure they are not kinked 5 Place chemical pick up tubes in containers of hot water to flush crystallized chemical from the supply tubing Semi Annual M aintenance R equirements Perform the following procedures every six months l Inspect all chemical connections and supply tubing for leaks 2 Check the building drain system and clean as needed Yearly M aintenance R equirements Perform the following procedures every year l Inspectthe installation site for cleanliness and any foreign material around the machine Clean as required 2 Check the overall condition of the machine Replace any worn or damaged parts 4 5 Lubrication There are no lubrication points on the dishwasher Pump motor bearings are sealed and require no lubrication 37 Part 5 OPERATOR TROUBLESHOOTING This Page Intentionally Left Blank 38 Part 5 OPERATOR TROUBLESHOOTING PART 5 OPERATOR TROUBLESHOOTING 5 1 Introduction In This Part Troubleshooting basics Using the Touchpad Display to evaluate problems Reading error codes Troubleshooting guide 5 2 Troubleshooting Basics STEP 1 The first step in troubleshooting your dishwasher is knowing how it works under normal conditions Review Part 3 Operation pages 27 34 for a description
111. r of the machine Is it kinked e Check the chemical dispensing supplies the strainers clean Are the pick up tubes in the correct containers STEP 4 Refer to Section 6 3 Error Codes page 49 50 Observe the self diagnostics display when the dishwasher is first powered up M any problems can be identified by evaluating the diagnostics STEP 5 Refer to Part 7 Solid State Circuit Board Set up and Repair next page Double check the jumper settings on the circuit boards and observe if LED s on the boards indicate an error condition 51 52 This Page Intentionally Left Blank Part 7 SOLID STATE CIRCUIT BOARDS PART 7 SOLID STATE CIRCUIT BOARDS 7 1 Introduction In This Part Control Cabinet Layout and Board Function Program Jumper Settings Circuit Board LED Description Circuit Board Removal and Replacement Circuit Board Connector Diagrams 7 2 Control Cabinet Layout and Board Function Refer to Fig 7 2 1 below which shows the location and function of the solid state circuit boards The solid state circuit boards are located in the top mounted slide out control cabinet on the dishwasher Program jumpers located on the boards enable the functions for different models Figure 7 2 1 Circuit Board Layout All M odels
112. re 20 22 PSI 138 151kP a for UH 200B UH 200 Contact service agent Clean strainer screen replace strainer Replace water supply valve Increase water supply line to 3 4 1 0 M achine will not run when START button is pushed Power LED is on Door not 5 Door safety switch not closed Control cabinet pulled out Push START button again M ake sure door is fully closed Check magnet on left side of door M ake sure slide out control cabinet is fully closed and secured M achine starts if NOT contact service agent M achine runs when START button is pushed but pump motor is not running otor thermal overload tripped Defective Remove round scrap screen and check sump and pump strainer clear possible obstruction and wait 10 mins for overload to reset Contact service agent CONDITION Part 5 CAUSE OPERATOR TROUBLESHOOTING SOLUTION M achine washes EXTENDED WASH button Push EXTENDED WASH button constantly was pushed Extended wash LED on Extended wash LED goes out M achine completes cycle Defective control Contact service agent W ash water Incoming water temperature Raise incoming temperature to temperature is low at machine too low Defective wash temp
113. re are jurisdictional problems with local trades or unions If a defect in workmanship or material is found to exist within the warranty period Champion at its election will either repair or replace the defective machine or accept return of the machine for full credit provided how ever as to glasswashers Champion s obligation with respect to labor associated with any repairs shall end a 120 days after shipment or b 90 days after installation whichever occurs first In the event that Champion elects to repair the labor and work to be performed in connection with the warranty shall be done during regular working hours by a Champion authorized service technician Defective parts become the property of Champion Use of replacement parts not authorized by Champion will relieve Champion of all further liability in connection with its warranty In no event will Champion s warranty obligation exceed Champion s charge for the machine The following are not covered by Champion s warranty Lighting of gas pilots or burners Cleaning of gas lines Replacement of fuses or resetting of overload breakers Adjustment of thermostats Adjustment of clutches Opening or closing of utility supply valves or switching of electrical supply current Cleaning of valves strainers screens nozzles or spray pipes Performance of regular maintenance and cleaning as outlined in operator s guide Damages resulting from water conditions accidents alteratio
114. ring the final rinse cycle Display mer Board Min Max 20 22 PSI 138 151 kPa D Chemical All Models Operates the chemical pumps whenever 9 is Touchpad activated UH 200B UH 200 single switch membrane operates both pumps at same time Switch es switch es Part 3 OPERATION 3 5 Basic Operation The following illustrations and diagrams describe the basic operation of your dishwasher Review Sections 3 2 and 3 3 before operating your machine gt NOTE All temperature readings in the instructions below are given in degrees Fahrenheit F Pressure readings are given in pounds per square inch PSI All models provide a metric option to display temperature in degrees Celsius C and pressure in kilopascals kPa Temperature readings and error codes are followed by the letter C when the metric option is enabled 3 5 1 Operating the UH 200B and UH 200 las e LO 8 rinse POWER PRIME WASH START TEMPERATURE PRESSURE Push the POWER Button All LEDs illuminate and 888F flash on displays Internal diagnostics displays Error Codes E1 E2 E3 in temperature display if problem exists Power LED lit LOF displayed if wash temp is below 115 F actual wash temp displayed above 115 F 46 C PRIME button is active whenever the temperature is displayed Machine Fills Optional detergent pump injects detergent Wash tank heat on UH 200B UH 200
115. s The wash pump motor drain pump motor and drain valve are mounted on a removable plate The plate can be pulled out the front of the dishwasher to gain access to the components Removing the Pump Mounting Plate j 1 Push the POWER pushbutton off if machine 15 ON to enter auto shutdown 2 Turn off main incoming power 3 Remove lower front panel 4 Remove dispensing pump s if equipped 5 Disconnect drain valve wires Remove the wash pump suction and discharge hoses 7 Remove 2 retaining bolts holding front of mounting plate 8 Pull the pump mounting plate forward about 2 50mm then turn the assembly CW so the drain valve will clear the sump suction 9 Pull the assembly forward and turn the assembly CCW slightly as you pull 10 Feed additional fill and drain hose from the rear of the machine Remove hoses 11 Turn CCW pull the assembly forward Remove 2 retaining bolts and out ur Alternate Pump Removal Method Through Rear Access door l Perform steps 1 6 above 2 Pull machine out to gain access to rear 3 Removerear access door 4 Remove mounting nuts from drain valve nd drain pump 5 d pump Pull forward and turn CW 5 Disconnect wash pump drain pump Make sure drain valve is clear and drain valve wires 6 Pull drain valve and drain pump out rear of machine 7 Pull wash pump motor out the rear of machine 8 Reassemble in reverse order Turn
116. s and water level control for 200 series Marked FWR fresh water rinse for UH 200B and UH 200 JB2 Enables the booster function if the machine is equipped with a built in booster Enables prime button inputs Closed for UH 200B and UH 200 O Fused Neutral Hot 1 an Transformer D e DRAIN 0 an e RINSE AID lt 0 POWER L3 O DETERGENT umper Closed lt umper Open stum UH 200B UH 200 F amp D UH 200B No Booster Booster UH 200B UH 200B Three Prime Switches One Prime Switch Figure 7 3 1 Timer Control Board J umpers and LED Status Lights 54 P
117. shwasher then perform the following checks for your model machine 2 11 1 Models UH 200B UH 200 Initial Start up Water Level Probe Push the POWER button 888F and LED s flash on display No error codes EO Machine fills Detergent pump runs if applicable Open door and check water level in tank Water level at middle sensor of water level probe Probe located on interior left side of dishwasher Close door Check for leaks around dishwasher Run a cycle without dishes to bring the machine to operating temperature 150 F 66 C Push START button Check for leaks Dishwasher completes normal cycle Final rinse temperature reaches minimum of 180 F 82 C Push POWER button Displays flash 888F Dishwasher completes normal auto shutdown cycle Check for leaks in drain piping See next page 25 Part 2 26 INSTALLATION 2 11 1 Models UH 200B UH 200 Initial Start up ont Push the POWER button Machine fills again Push START button Machine begins cycle Push EXTENDED WASH button Wash cycle holds in continuous wash mode Extended wash LED illuminates Push EXTENDED WA SH button Wash cycle returns to normal wash mode Extended wash LED goes out Normal cycle completed Push POWER button Displays flash 888F Dishwasher completes normal auto shutdown cycle Initial Start up is complete Part 3
118. stall the rinse aid check valve Apply teflon tape to the valve threads to ensure a seal Route the rinse aid tubing to the rinse manifold and connect to the check valve Connect the pump motor wires to the harness wires supplied in the kit with wire nuts Refer to Fig 2 10 2 on page 22 Connect the wiring harness to the 10 pin terminal block located on the lower right side of the machine Connect the 2 harness wire to the Common 2 terminal on the block Connect the 25 wire to the rinse aid 25 terminal on the block Refer to Section 2 9 2 page 19 for pump priming and adjustment procedures Check all connections for leaks Installation is complete Part 2 INSTALLATION This Page Intentionally Left Blank 24 Part 2 INSTALLATION 2 11 Initial Start up All Models Review Part 2 Installation Sections 2 2 through 2 10 to ensure that all plumbing electrical and chemical connections have been properly made by qualified personnel Plumbing connections are the proper size and supply pressures are correct e Water supply is on Drains are correct size and functional Electrical power requirements and wiring connections are correct Power is on at the main service panel Chemical Dispensing systems are installed and chemical supplies replenished Detergent and rinse aid for M odels U H 200B U H 200 Review Part 3 Daily Operation Sections 3 1 through 3 5 for instructions on the operation of your di
119. strap wrench or pipe wrench 9 Inspect valve body If pitted replace 120VAC coil entire valve assembly Otherwise install repair kit 10 Reassemble in reverse order 11 Restore water and power and check for leaks Repair kit Valve disassembled UH 200B UH 200 Remove coil Remove bonnet 86 Part8 COMPONENT REPAIR AND REPLACEMENT 8 2 4 Water Level Probe UH 200B UH 200 The water level probe mounts to the left rear corner of the dishwasher It is nearly indestructible but may require periodic inspection and cleaning to ensure the metal probes are free of lime build up oP Inside Tan To clean the probe e 6 1 PushthePOWER pushbutton off Turn off main incoming power to the dishwasher 2 Gently clean the probes with a non ferrous scrub pad such as a scotch brite pad 3 Restore power to the machine and UH 200B UH 200 Only check for proper operation 87 Part 8 COMPONENT REPAIR AND REPLACEMENT 8 2 5 Vacuum Breaker UH 200B UH 200 The 1 2 vacuum breaker is located at the top left rear corner of the dishwasher It prevents siphoning of water from the dishwasher back into the potable water supply The vacuum breaker contains a replaceable float assembly CAUTION The vacuum breaker is connected to the plastic final rinse manifold Use extreme caution when servicing the breaker to prevent damage to final rinse manifold To service the vacuum breaker 1 the main
120. t control cabinet ay When working on the dishwasher disconnect the electrical service and place a red tag at the disconnect switch to indicate work is being done on that circuit NOTE Refer to Part 7 Solid State Circuit Board Set up and Repair Section 7 3 5 page 58 Fill Chemical Dispenser Board before making any adjustments to the dispenser gt board settings Perform the following steps in preparation for making dispenser pump adjustments 1 Loosen do not remove the 2 retaining screws at the bottom of the lower front access panel Liftthe lower panel up and forward to remove 2 Check for chemical dispensing pump s located at the front of the machine base 3 RefertoFig 2 9 1 Open the dishwasher door 4 Locatethe two screws one in each corner of the top hood that retain the slide out control cabinet 5 Removethe screws and pull the slide out EEE cabinet forward to gain access to the DISPENSER BOARD Fill Chemical Dispenser Circuit B oard continued on next page Figure 2 9 1 Control Cabinet Retaining Screws 17 Part 2 INSTALLATION 2 9 Chemical Connections Cont 2 9 1 General All Models Cont ATTENTION CHEMICAL SUPPLIER continued from previous page 6 Refer to Fig 2 9 2 showing the Fill Chemical Dispenser Circuit B oard 7 There 4 adjustable potentiometers Fill 2 to 40 seconds Detergent 1 to 30 seconds e
121. t grocery stores are designed to work in machines with cycles of 15 minutes or longer Your Champion dishwasher cycle is complete in less than 3 minutes Champion does not recommend the use of residential automatic detergents and rinse aid products These products may accumulate in your machine and produce poor washing results CAUTION Never use residential non automatic dishwashing detergents such as OY or DAWN or any other liquid designed for the handwashing of wares in your machine Extreme foaming inside your Champion dishwasher will cause operation problems Part2 INSTALLATION 2 9 1 General All Models Cont gt NOTE The detergent and rinse aid chemical dispensing pumps are optional equipment on Models UH 200B and UH 200 dishwashers The pumps may have been specified when the dishwasher was ordered and installed at the factory The following instructions assume that your dishwasher was delivered to your installation site with the dispensing pumps installed and explains the procedures for placing the chemical dispensing system in service for the first time If optional pump s are not installed Refer to Section 2 10 Installing Optional Chemical Pumps to install the chemical pump s before proceeding with Section 2 9 2 ATTENTION CHEMICAL SUPPLIER WARNING The instructions contained in Section 2 9 2 require adjustments to the Fill C hemical Dispenser Circuit Board located inside the top mounted slide ou
122. tional rinse aid pump installed f you want more rinse aid or sanitizer dispensed during the final rinse turn the POT adjustment CW This makes the pump activate earlier in the cycle from the moment the fill rinse valve closes Turn the POT CCW to make the pump activate less time from the moment the fill rinse valve closes ADJUSTMENT EXPLANATION Refer to Fig 7 3 4 next page The illustration shows the fill rinse valve and dispensing pump s portion of the automatic cycle for each model The example given shows one possible setting the actual setting may vary Noticethat the zero reference point for the pump run time setting is the moment that the fill rinse valve closes Rinseaid and sanitizer pumps never run AFTER the fill rinse valve closes during the final rinse portion of the automatic cycle Part 7 SOLID STATE CIRCUIT BOARDS RINSE AID AND SANITIZER ADJ USTMENT ADJ USTMENT EXPLANATION Cont Therefore to increase dispenser pump run time the time adjustment on the POT must activate the pump before the valve closes earlier in the cycle faPOT issetto 0 on the adjustment dial then the pump will start 1 second before fill rinse valve closes e faPOT issetto 4 on the adjustment dial then the pump will start 11 seconds before the fill rinse valve closes Thetimethe fill rinse valve is open varies Fig 7 3 4 shows fill rinse valve time set to the maximum of 40 secs In reality most machines
123. tors must NOT bypass a safety interlock or control to operate the dishwasher The service and maintenance instructions contained in this manual are intended for qualified service personnel These instructions assume that you are trained in basic electricity and mechanical theory If you are not a trained technician then do not attempt to adjust or repair the dishwasher as serious personal injury or damage to the dishwasher may result LIMITED WARRANTY LIMITED WARRANTY Champion Industries Inc herein referred to as Champion P O Box 4149 Winston Salem North Carolina 27115 and P O Box 301 2674 N Service Road Jordan Station Canada LOR 150 warrants machines and parts as set out below Warranty of Machines Champion warrants all new machines of its manufacture bearing the name Champion and installed within the United States and Canada to be free from defects in material and workman ship for a period of one 1 year after the date of installation or fifteen 15 months after the date of shipment by Champion whichever occurs first See below for special provisions relating to glasswashers The warranty registration card must be returned to Champion within ten 10 days after installation If warranty card is not returned to Champion within such period the warranty will expire after one year from the date of shipment Champion will not assume any responsibility for extra costs for installation in any area where the
124. unted in the left front corner of the slide out control cabinet A door magnet operates the safety switch when the door is fully closed The dishwasher will not operate if the door is open when the POWER pushbutton is pushed ON to fill the machine If the dishwasher is in an automatic cyle opening the door will pause the cycle When the door is closed the cycle will resume where it left off To replace door safety switch 1 Push the POWER pushbutton off if machine is ON to enter auto shutdown 2 Turn off main incoming power 3 Open the door and remove 2 screws one in each corner of the top hood 5 Slide out Pull the slide out control cabinet forward Control 5 Pull the mylar drip shield back bs Gabinet Disconnect the switch wires from Safety Switch and on the Timer Control 7 Remove 2 6 32 grip nuts holding the safety switch 8 Reassemble in reverse order CAUTION Do not overtighten the safety switch retaining nuts Overtightening can damage the switch 100 Part8 COMPONENT REPAIR AND REPLACEMENT 8 2 16 Circuit Breaker All Models All dishwasher models are equipped with an 8 circuit breaker mounted on the lower left corner of the machine The breaker is located behind the lower front access panel The circuit breaker protects the 120VAC control circuit in the event of an overload
125. ure 180 F 82 C sanitizing machine without a built in booster It requires a minimum incoming water supply temperature of 180 F 82 C The UH 200 is a fresh water rinse machine Final rinse water enters the final rinse spray system under line pressure A portion of the final rinse water is retained for the next wash cycle Part1 GENERAL SPECIFICATIONS 1 3 Standard Equipment All Models 304 stainless steel construction Interchangeable upper and lower spray arms 3 4 Hp pump motor assembly Top mounted slide out control cabinet Solid state electronic controls Pumped drain Flexible fill and drain hoses Door safety switch Easily removable scrap screen Dishracks peg rack and flat bottom rack UH 200B UH 200 109 229 rise booster Tank heater Low water tank heat protection side panels 1 3 Options UH 200B UH 200 1702 399 rise booster Detergent pump kit P N 900799 Rinse aid pump kit P N 900803 Pressure reducing valve 3 4 P N 107550 All Models 6 Legs set of 4 P N 324087 Tank heater Low water tank heat protection Top and side panels Detergent pump kit P N 900799 Rinse aid pump kit P N 900803 Pressure reducing valve 3 4 P N 107550 Part 1 GENERAL SPECIFICATIONS 1 4 Dimensions Capacities and Rough in Total Cycle Time Dimensions All Models UH 200B UH 200 90 seconds Height 33 3 4 858mm Widt
126. washer problem CONDITION CAUSE SOLUTION Machine will not start when POWER button is pushed Power LED is off Door not 1 M ain switch off s seen M achine circuit breaker behind lower front panel is tripped Door safety switch not closed Control cabinet pulled out Push POWER button again M ake sure door is fully closed Check disconnect at main panel Check machine power switch Remove lower front panel and reset breaker at left lower corner of machine Check magnet on left side of door M ake sure slide out control cabinet is fully closed and secured M achine starts if NOT contact service agent M achine will not fill LED s flashing Low and or dirty water level probe See instructions on page 34 Low or no water on initial fill or during automatic M ain water supply is turned off Fill hose rear of machine kinked Fill time not set correctly Low water supply flow pressure Faulty fill rinse valve Clogged line 5 Faulty water supply valve Water supply line too small Turn on main water supply M ake sure hose has smooth bends Contact service agent Increase flowing pressu
127. water supply to the machine off 2 Push the POWER pushbutton off if machine is ON to enter auto shutdown 3 Turn off main incoming power 4 Pull machine out if necessary 5 Removetop and side panels 6 Remove retaining screw in vacuum breaker cap Remove 7 SUPPORT THE BREAKER TO PREVENT DAMAGE PLASTIC MANIFOLD 8 Remove the vacuum breaker top with a wrench turning CCW 9 Remove the float assembly with a pair of needle nose pliers 10 Inspect the bore of the vacuum breaker If pitted replace the entire vacuum breaker Otherwise install a repair kit 11 Reassemble in reverse order 12 Restore power and water and check for proper operation 13 Reinstall top and side panels 14 Return machine to permanent location ensuring machine is level 15 Check supply hoses at rear of machine to ensure they are not kinked 88 Part8 COMPONENT REPAIR AND REPLACEMENT 8 2 6 Pressure Transducer UH 200B UH 200 The pressure transducer is located at the top left rear corner of the dishwasher It is mounted in final rinse manifold and connected by a cable to the Temperature Pressure Display Board located in the slide out control cabinet See Fig 7 4 2 page 66 The pressure transducer senses water pressure in the final rinse manifold during the final rinse Cycle It sends a signal to the Temperature Pressure Display Board The pressure is displayed in pressure window on the touchpa
128. wered on WASH Indicates output voltage to wash pump contactor is enabled DRAIN Indicates output voltage to drain valve and drain pump is enabled FILL LED s illuminate whether RINSE Indicates output voltage to fill rinse valve is enabled en pump is installed or not UH 200B UH 200 Only LIM Indicates water level has reached the topmost sensor of water level probe MID Indicates water level has reached the middle sensor of water level probe LOW Indicates water level has reached the bottom sensor of water level probe 55 Part 7 SOLID STATE CIRCUIT BOARDS 7 3 Replacement Circuit Board Set up Cont 7 3 3 Temperature Pressure Display Board Program umper Settings The Temperature Pressure Display Board has seven program jumper settings JB7 Always set OPEN for normal operation Future models will not have the B7 jumper JB1 Selects English display F and PSI or Metric C and kPa 182 These jumpers select the minimum wash tank temperature with a differential of 4 F 2 C JB3 JB4 JB5 These jumpers select the minimum booster tank temperature with a differential of 4 F 2 C JB6 5 NEUTRAL HOT PRESSURE SENSOR O CN2 GNO HH viet C TOTIMIN
129. with warewashing 49 Part 6 SERVICE TROUBLESHOOTING 6 3 Error Codes Cont The table below gives the meaning of the error codes and the dishwasher component that is disabled until the condition causing the error code is repaired EOF E1F E2F and ESF are displayed for machines programmed for F EOC E1C E2C and ESC are displayed for machines programmed for C ERROR CODE MODEL DESCRIPTION RESULT UH 200B EOF UH 200 UH 200B UH 200 E1F En All Models E2C ESF UH 200B UH 200 ESC 50 Displayed in temperature display window Indicates a defective booster temperature thermistor in the built in booster Booster heater is disabled Final rinse temperatures will be low Temperature display shows EO Displayed in temperature display window Indicates a booster thermistor was not detected These models do not have a built in booster No effecton machine operation Displayed in temperature display window Indicates a bad wash temperature thermistor Wash tank heater is disabled Wash temperatures will be low Temperature display shows El Displayed in temperature display window Indicates a bad rinse temperature thermistor No component 15 disabled Temperature display shows E2 Displayed in pressure display window Indicates a defective pressure transducer No component 15 disabled Water pressure display shows E3 Part 6 SERVICE TROUBLESHOOTING

UH200, UH200B - Champion Industries

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