Pelton Crane Delta XL Sterilizer
Contents
1. No Part No Description No Part No Description 1 15 28 368 Transformer 120 240V 40VCT 14 94 42 930 Dump Solenoid 2 40 05 915 GND Wire to Pump TO Chasis 15 94 42 948 Bellow Solenoid 3 4207 390 GND Wire Term to Chasis 16 94 42 922 Fill Solenoid 4 42 07 374 Wire Blu Trm Blck Crct Brk 17 3325 052 Level Switch 5 15 39 274 Wire Tie High Temp 18 041572 RTD Sensor 6 7038 623 Terminal Block 19 4205 782 Switch Lever 7 29 44 098 Label Terminal Block 20 33 25 078 Cable Door Switch 8 4207 382 Wire Brn Trm Blck Crct Brk 21 33 25 094 Surface Sensor 9 15 30 661 Power Cord 115V 22 3325110 Cable Printer Socket 041277 Power Cord 230V 23 42 05 881 MPU Control Assy 8 Model AE 10 46 99 208 Circuit Breaker 20 AMP 230V 041136 MPU Control Assy 10 Model AF 46 99 190 Circuit Breaker 10 AMP 115V 24 15 37 492 Cable Assy Power PCB to MPU 11 15 37 476 Cable AC Power to Power PCB 25 41 91 818 Heater 8 Model AE 12 1522 775 Power Supply PCB Assy 019769 Heater 10 Model AF 13 33 25 060 Cable Solenoid 26 15 21 512 Chamber Overheat Protector 27 33 25 037 Wire Assy Over Heat Protector Front Frame and Casing Parts No PartNo Description No Part No Description 1 1881 114 Cup Reservoir Fill 16 15 36 445 Rivet Pop 8 CSNK 1 2 x 101 130 2 51 49 815 Dou Side Tape 17 30 00 036 Phil Hd Screw 8 322. Perron E anc Delta XL 8 Delta XL 10 BHBOHAQ WAHSAWDWHH PR HHNHE MANDY www pelton net Product Information Table of Symbols On Off Power Switch Clear Start Start Power On Progra Program v e Ground Mode Mode EN wor HESSE OBERRACHE SURFACE CHAUD Hot Surface 13 Printer Connection Low Water Dry Printer On Off Arrows Ready Attention Printer Connection Only Sterilize C AMTAC Certification Services LTD The conformity of the quality management system is certified with Certificate No 369CE dated April 8 1999 by Norman Road Broadheath Altrincham 0473 Cheshire WA 14 4EP United Kingdom The identification number of the notified body for implementation of the procedure set out in Annex V of the Directive is 0473 The authorized representative Medical Device amp QA Services 76 Stockport Road Timperley Cheshire WA15 7SN United Kingdom Visual Index 1 Casing with Plumbing Diagram inside cover Fill Front Frame Door with Lock Drain quick connection behind door Front Panel Microprocessor MPU Power PCB RTD Steam Sensor 9 Reservoir with Overflow Vent 10 Water Level Switch inside reservoir 11 Printer Jack 12 Solenoids 13 Drying Pump 14 Master Power Switch 15 Heating Element mounted on bottom of chamber 16 Safety Valve 17 Filter 18 Transformer an KO nm CoN O Operating Fe
3. Yes See Next Page Branch 1 Branch 2 Checking for Internal Leaks Is water or steam returning Yes through the condensing coil 3 Check for obstruction in bellows solenoid after the unit reaches 111 C Replace plunger kit for the bellows solenoid See Figure 12 if the solenoid resistance is approximately 16 OHMS If the resistance is not approximately 16 OHMS replace the bellows solenoid See Figure 10 Is water or steam returning through the fill filter located in the reservoir Yes Check for obstruction in fill solenoid Replace plunger kit for the fill solenoid if the solenoid Note Look for a distur resistance is approximately 16 OHMS If the bance in the water resistance is not approximately 16 OHMS around the filter replace the fill solenoid See Figure 14 See Next Page Branch 1 J Figure 10 Figure 14 28 Troubleshooting H20 Path B Chamber Loses Excessive Water cont d Branch 1 ICAUTION IF ALL OF THESE CONDITIONS ARE MET AND THE UNIT STILL No HAS H20 FAILURES TIGHTEN HEATER BANDS AROUND CHAMBER AND OR REPLACE SURFACE SENSOR Is water or steam returning through the Solenoids tubing in the top of the gt are OK reservoir located under the square lid Yes Check for obstruction in dump solenoid Replace plunger kit for the dump solenoid if the solenoid resistance is approximately 16 OHMS If the resistance is not approximately 16 OHMS replace the
4. and temperature TEMP The heater will begin cycling on and off to start chamber heat up and pressure build up Pressure should start to build at about 90 C Once the sterilization cycle begins it is controlled by the pressure The sterilization timer will be shown in the lower window unless the operator has programmed the unit to show temperature during the sterilization instead of time and will count down when the select temperature and pressure parameters are above their minimum values If pressure loss occurs the timer will pause since it only counts down when the select temperature and pressure parameters are above their minimum values A FAIL alarm will occur if the cycle pauses for more than a total of three minutes because of pressure loss Atthe end of the sterilization time the bellows solenoid opens to lower chamber pressure to 40 KPa When the pressure reaches 40 KPa the bellows solenoid will close and the fill vent solenoid will open and the remaining water will be extracted from the chamber This process continues until the pressure reaches 20 KPa at which time the fill vent solenoid will close and the bellows solenoid will reopen along with the dump solenoid to rapidly vent the remaining pressure The Liquids Cycle is an exception This cycle cools down without venting to prevent the liquids from boiling over from a sudden pressure drop Atthis point the drying cycle begins A nominal 30 minute drying cycle
5. Troubleshooting Display Problems Branch 1 Branch 2 Front panel will not EE Press POWER ON OFF M rm m and CLEAR START a o e buttons at the same time Yes Do all the segments light on the front panel Note Turn unit Off Check ribbon cable for damage unplug and reseat ribbon cable Use a volt meter to determine if 56VDC is present on the MPU PCB between TP 5 and TP 7 See Figure 33 Dim front display control panel Defective Front Panel and or Yes Display PCB Replace Front Control Panel less MPU PCB Check to see if 56VDC is present on MPU PCB in the Check 5VDC No front control panel supply to MPU in See Figure 37 Branch 1 Repair or s 5VDC present between TP3 and Yes Replace replace as needed front control panel less MPU PCB Replace front control panel less MPU PCB Defective 2 TP8 on Power PCB ribbon cable See Figure 35 Is fuse FU1 OK and is correct line voltage connected to Power PCB at P3 See Figure 36 No y Repair or Is the 16 32 VAC supply from the transformer OK replace as needed Defective Power PCB Figure 35 Figure 37 43 Troubleshooting Cosmetic Problems Yes Dented cover Replace cover No Check for a bad door Yes gasket which could let Warped door cover steam reach the front door
6. 1 15 39 845 Screw Button Hd 1 4 20 x 375 2 41 97 245 Stud Handle 3 01 97 54 Washer Shim 1 0 oDX 15 32 IDX 016 4 15 39 258 Spacer latch slide 5 41 96 809 Hinge Pin 6 15 39 589 E Clip 3 8 7 4197 112 Door amp Chamber Assy 8 Model AE 41 97 179 Door amp Chamber Assy 10 Model AF 8 30 00 077 Nut Retainer 9 42 05 790 Bracket Lever switch 8 Model AE 42 05 808 Bracket Lever switch 10 Model AF 10 133 22 281 Spacer Door 11 15 39 241 Seal 8 Model AE 15 39 407 Seal 10 Model AF 12 42 03 845 Gasket Retain Stud Assy 8 Model AE 42 03 985 Gasket Retain Stud Assy 10 Model AF 13 15 39 928 Nut Hex 41H 2520 14 15 39 894 Lock Washer 26 DX 430DX 05 STL 15 1539514 Insulation Door 8 Model AE 15 39 720 Insulation Door 10 Model AF 16 15469 635 Locking Pin 8x10 17 5174 870 Slide Bar 8 Model AE 51 74 888 Slide Bar 10 Model AF Chamber Heating Element And Insulation No Part No Description No Part No Description 1 15 39 670 Insulation Rear 15 1539 969 Phillips Hd Screw 4 40 x 1 2 30 05 035 Strap Insulation 16 1539 712 Spacer Door Switch 3 1539 472 Spring 17 18 81 023 Tube Chamber 4 15 39 647 Band Pressure Plate 18 30 00 036 Round Head Screw 8 32 x 375 5 1521 512 Overheat Protector Chamber 19 41 96 767 Compression Sleeve Pressure Plate 6 41 91 826 Heater 8 Model AE 20 41 96 759 Compression Nut 1 4 019769 Heater 1
7. Chamber cracks Problem Cause Chlorine Correciive Action Never use chlorine cleaners or materials in chamber Wrapping materials should not be cleaned with chlorinated bleaches 23 Plumbing Diagram Reservoir Condensing Coil Filter Reservoir Dump Solenoid Bellows Solenoid Fill Vent Solenoid Chamber Filter Chamber Air Tube 10 Check Valve 11 Filter Air 12 Air Pump LO I O U1 PR C0 D 1 RESERVOIR 2 COMDENSING COIL Le 9 AIR TUBE 10 24 Troubleshooting H2O Path A Unit Will Not Fill Properly The H20 alarm is a direct response from the Surface Sensor The Surface Sensor is a temperature sensitive device that is fastened to the underside of the chamber It monitors the temperature of the chamber and can distinguish by the increase in temperature when the water level has receeded beyond a safe level Atthis point 159 C the Surface Sensor opens and H20 is displayed This is to prevent a boil dry situation that can ruin the heating element and chamber This is caused by one of the following conditions A The chamber will not fill properly B The unit is not properly leveled C The chamber leaks under pressure D Defective or loose Surface Sensor or defective cable Close the door and start an Unwrapped cycle When the FILL display changes to a temperature and pressure display open the door This will abort the cycle Is the water See H20 P
8. Replace Remove air line from pump Replace Tubing Check Is air flow present See Figure 24 Replace Air Pump Valve Air flow should be present in reservoir at condensing coil and dump solenoid malfunc tion or blockage Clean or replace chamber filter Water In Filter aD o Figure 26 qui N N gt f j TE D Es Pumping Air ul 0 mU ul 6 D Raum 40 Troubleshooting Unit Will Not Turn On Is the unit plugged in Is the T Depress POWER button main power switch in the On an the front E Does position Is there power to the the unit turn on outlet Unit is OK Check for 12 12 24 Are LEDs D11 D12 and and 5VDC power supplies D13 on the Power PCB on MPU PCB Ref No Defective or loose ribbon Plug the unit in illuminated 12 TP1 TP5 bl and turn it ON See Figure 28 12 TP2 TP5 ER ve 5 TP3 TP5 Be 24 TP4 TP5 needed See Figure 29 For 120 volt units Check for 120 volt output to trans former a
9. again Yes Turn them On Turn sterilizer off turn printer off unplug and reseat printer cable from rear of sterilizer Also unplug and reseat printer cable on MPU PCB Turn sterilizer and printer on push PRINTER ON OFF to enable printer Yes and retry Does printer work now Replace front control panel less MPU Printer is OK Run printer self test Turn sterilizer and printer off Unplug and reseat printer cable and retry Does unit work now Printer prints illegible characters Run printer self test Missing letters on printout or paper Replace the printer will not feed Printer Self Test 1 Turn Off the printer and sterilizer 2 Unplug the printer from the sterilizer 3 Hold down PF Paper Feed button on printer and turn printer switch to ON 4 The printer is now in Test Mode and should start printing exclamation marks numbers and the alphabet in proper sequence If the printer is functioning properly turn it to OFF If not it is defective 6 Turn the printer back to ON position and reconnect it to the sterilizer making sure that the interconnect cable is properly seated on both ends Press the PRINTER button on the sterilizer front panel If the display reads POFF press one more time Display will read P ON Unit is now ready for use If the printer continues to fail check the continuity of the three wire cable from the MPU PCB the
10. is preprogrammed The drying time can be changed from 0 99 minutes See User Manual To start another load depress CLEAR START to initiate the sterilization process again See also User Manual Table Valve Actuation Operation Mode Cycle Process w VT VO rr Solenoid iji Vent Vent Dump Sterilize 40KPa 40 20 KPa 20 KPa ww Fil Vent P Closed Closed Open Closed olenoid Closed N P Closed Open Closed Open Open Solenoid Dump Closed Closed Closed Open Closed 21 Self Diagnostics Check To run self check simply turn on main power switch at back of unit and wait for the unitto beep and finish a series of clicks At this time depress and hold the CLEAR START then depress the POWER letting go of both at the same time This operation does not check Lb for low battery The printer may be used as a diagnostic tool Cycles recorded in the Sterilizer s memory may be downloaded to the printer starting with the last cycle first Press and hold the PRINTER button to download the memory To stop the download process depress CLEAR START Eight lines are printed out per run cycle Note Unit will turn off after the download process is complete 22 Specific Usage Problems Mineral buildup on chamber wall or water spots on chamber and contents Problem Cause Minerals in water deposit on chamber or on contents Corrective Action Clean per User Ma
11. printer jack and the interconnect cable Repair or replace as needed 45 Troubleshooting SS 1 Yes Allow unitto warm to room temperature B Has unit been in a cold environment and or place warm water in chamber Retest Is continuity to RTD Steam Sensor OK jq 5 Repair replace connections Replace RTD Steam Sensor See repair procedure Troubleshooting SS 3 Unplug and remove RTD steam Sensor place the Steam Sensor in ice water and replug it to the No Power PCB Turn the uniton When the tempera Replace RTD Steam Sensor See repair procedure ture display reads 0 C measure the resistance of the RTD Sensor Is it about 1100 OHMS at 25 C Yes Replace Power PCB Troubleshooting Lb Replace Front Panel MPU PCB See repair procedure 46 Troubleshooting Door Is door closed and handle fully down Close door securely Adjust door microswitch Is door microswitch engaged i See repair procedure Unplug connector P9 from Power PCB With door closed securely and handle Defective or misadjusted door switch or defective cable Repair or replace as needed fully down is continuity present between the two wires on P9 Defective Power PCB 47 Troubleshooting SS 2 Is surface connector P8 plugged into the Power PCB properly See Figure 8 Repair connections Unplug connector P8 from the Power PCB With the unit at about Repl
12. x 375 ZN 3 045840DW Case 8 Model AE 18 15 39 902 Screw 85SS 1024 37 045457DW Case 10 Model AF 19 30 00 077 Nut Retainer 4 045843DW Panel Rear 8 Model AE 20 15 39 852 Lock Washer 045456DW Panel Rear 10 Model AF 21 30 00 069 Screw Mach Rd Hd 8 32 x 1 25 5 045841 Bottom Panel 8 Model AE 22 15 39 183 Bracket Top Electronic Cover 045455 Bottom Panel 10 Model AF 23 42 00 338 Reservoir Support 6 42 05 048 Casing Gasket Set 24 045459 Cover Bottom 7 045842 Front Panel 8 Model AE 25 15 39 530 Clip Speed 045454 Front Panel 10 Model AF 26 15 39 936 Mach Slotted Screw 10 24 x 375 8 51 63550DW Door Cover 8 Model AE 27 15 39 910 Mach Slotted Scew 10 51 63 535DW Door Cover 10 Model AF 28 15 39 308 Foot 9 045488 Handle Granite 29 30 00 028 Nut Hex 10 30 00 010 Screw Soc Hd 6 32 x 375 30 15 39 811 Washer 8 O D 2143 046 11 15 39 985 Cap 8 32 x 375 31 4206459 Glide Adjustable Swivel 12 045487 Cover Elect Assy 32 045844 Brace Right 8 Model AE 13 15 39 423 Bushing 1 5 16 ID 045464 Brace Right 10 Model AF 14 1539 316 Nut Speed 33 045845 Brace Left 8 Model AE 15 15 39 571 Bracket Bottom Electronic Cover 045465 Brace Left 10 Model AF 34 042912 Operation Quick Reference Card 10 Tray and Tray Rest 8 Model AE Chamber Delta 115V amp TUV 230V 7 0 9 0 0 9 0 0 9 00 0 00 0 699 0 gio 000 0 070 0 0 II 000000 0000000 000 0
13. 0 Model AF 21 1881 031 Filter Fill Line 7 54 27 906 Insulation Chamber 22 4207432 1 4 Brass Plug 8 33 25 094 Surface Sensor Siemens 115 230V amp TUV 230V 9 15 31 628 Sensor Bracket 23 1 42 07 424 Elbow 1 2 St 1 4 Tap 10 15 21 158 Plate Pressure Siemens 115 230V amp TUV 230V 11 42 00 346 Tube Chamber Top 23 2 15 39 324 Elbow 1 2 St Delta XL 115V 12 15 39 803 Nut Hex 41H 440 24 42 05 055 Value Safety Relief Chain 13 42 05 816 Cover Level Switch 25 15 36 486 Nipple 1 2 NTPx4 14 42 05 782 Switch Lever 26 15 29 267 Tube Relief Reservoir Parts No Part No Description No Part No Description 1 33 39 913 Reservoir 13 41 97 047 Tube Chamber Dump 8 Model AE 2 4196 924 Tube Bel to Res 8 Model AE 41 97 039 Tube Chamber Dump 10 Model AF 41 96 999 Tube Bel to Res 10 Model AF 14 15 39 563 Washer Rubber 3 18 81 056 Nut Compression 5 16 15 18 81 080 Nut Condenser Tube 4 18 81 064 Sleeve Compression Tapered 16 11881 098 Sleeve Compression 5 1539 449 Coupling Vent Condenser 17 18 81 106 Condenser 4 Coil 6 18 81 072 O ring 18 94 32 311 Filter Reservoir 7 33 25 052 Water Level Assembly 19 15 26 412 Nut Air Valve 8 30 00 002 Washer Flat 20 41 96 932 Tube Reservoir to Fill 8 Model AE 9 1539 613 Nut Air Valve 41 96 965 Tube Reservoir to Fill 10 Model AF 10 42 05 899 Tube Dump to Res 8 Model AE 191 15 35 587 G
14. 00 00 gt o eo a gt gt aw 10 gt Fes 88 e S28 nd 58 90 5 co lt a AND O O Ee 2 59 CT DO gt NS Poe E S 5 co Sg rcr HTHS gt gt 45 E gt gt gt gt Lise lh Fees s lt lt S cos s FFOm arrrr a a mooo o 1 TD TO Y OO rn o QN Or O ONN 90000 AQaDO Zoo NOTO t oiuiuo 1O i 10 10 6 9rr FT To a 6 7NOF 10 On 0 O 11 Tray and Tray Rest 10 Model AF oo E x cg o c o o 6 eg O QE EE es 2 2 xoc LLI 5 cot i TO oOsegys i s sos Pers HIS EE Occ ocr a 020rrcoco a ON ON FT LD O D O co c iD or Zloorero tlom Yons Glion W Aaj NO 2 noxoo 12 Time Temperature Printer Printer Kit 54 37 590 120V Printer Kit 54 37 624 240V No Part No Description 1 54 37 525 Printer 2 54 39 166 Power Adapter 115V 54 75 533 Power Adapter 230V 3 54 30 595 Cable Printer Jack 13 Important Notes Measurements Instruments required 1 Digital multimeter model FLUKE 8000 A or equivalent Accuracy AC voltage 0 5 of reading plus 1 digit DC voltage 0 196 of reading plus 2 digits DC current 0 3 of reading plus 1 digit 2 Testleads Small needle point testleads are required when voltage measurements are performed at connectors which remain plugged Always switch the unit OF
15. 56 Compression Nut 5 16 19 42 05 915 GND Wire Pump 41 18 81 064 Compression Sleeve 5 16 20 41 97 138 Holder Filter 42 044176 Clamp 21 94 48 598 Tubing Connector Short Electrical Parts No Part No Description No Part No Description 1 044201 Povver Supply PCB Assy 13 045835 Control PCB Guard 2 94 42 765 Extension Spacer Circuit Board 14 42 05 923 Screvv Button Head 3 4197 005 Povver PCB Guard 15 15 25 331 Screw Pan Hd 32 x 5 16 4 1528 368 Transformer 16 045841 Panel Bottom 8 Model AE 5 70 38 623 Terminal Block 045455 Panel Bottom 10 Model AF 6 30 00 051 Lock Washer 17 42 05 881 MPU Control Assy 8 Model AE 7 1539829 Ground Screw 10 24 x 5 041136 MPU Control Assy 10 Model AF 8 7740640 Strain Relief 18 18 98 639 Clip Wire Harness 9 15 30 661 Power Cord 115V 19 94 33 756 Heat Shrink Tubing 041277 Power Cord 230V 20 33 25 029 Cable AC Power to Pwr PCB 10 46 99 190 Circuit Breaker 10A 230V 21 42 07 390 Ground Wire Terminal To Chasis 46 92 208 Circuit Breaker 20A 115V 22 29 44 098 Label Teminal Block 11 33 25 110 Cable Printer Socket 23 040788 Front Panel PCB Assy 12 30 00 028 Nut Hex 41 H 1024 24 045487 Electrical Cover Electrical Diagram
16. F before connect ing measuring instruments Select the correct type of current voltage and set the measuring range according to the expected measured values Carry out continuity tests only with the unit switched OFF Warm up period amp self test Do not press any buttons when switching ON After switching ON the unit runs a self test for the unit electronics Interference with electromedical devices by radio telephones To guarantee the operational safety of electromedical devices the operation of mobile radio telephones in the medical practice or hospital area is prohibited Troubleshooting tree guidelines Element component identifier Located at the top of each page Unplug X4 See Figure 22 At lead inuity X4 A4 X4 B4 Is Yes Refers to designated pictoral on preceeding page When using the troubleshooting trees and a connector is unplugged for continuity or voltage measurements the term at lead indicates that the measurement is to be performed on the cable or lead end at board indicates that the measurement is to be performed on the PCB connector Resetting the unit Turn the power off at the main Power Switch Turn unit back on after 10 seconds Replacing parts Switch the unit OFF and unplug before replacing parts To protect electrostatic sensitive devices ESD on PC boards observe the ESD guidelines Avoid coming into contact with electronics components As wel
17. KING FOR INTERNAL LEAKS in the H20 section Are solenoids leaking With unit still in sterilization parameter Check for door leaks It may be necessary to remove the door cover to check this To remove door cover first remove 2 Allen screws from Repair clean orreplace the side of door handle and slide handle off Open door and remove 4 Solenoid as needed screws that hold cover on If the door is leaking check the following conditions 1 Verify that tray rest inside the chamber is not blocking door open 2 Remove door gasket Check for debris in or behind gasket Check Repair for cuts or wear Gasket is reversible but should be replaced if it does as not fit tightly in the ring needed 3 Check the face of the chamber that contacts the door gasket If a mineral deposit has accumulated remove with Scotch Brite or Bon Ami 4 Check the 4 screws that hold the front frame to the chamber 2 between hinges and 2 between locking posts Tighten as necessary 5 On older units it may be necessary to replace the door insulation This is located between the door frame plate and the plate that holds the door gasket Is door leaking Yes Pull silicone tubing off drying pump filter With a small mirror while unit When the unit is pressurized is steam is under pressure check each leaking from tube plumbing filling for steam leaks Tighten or replace as needed Replace Check Valve Figure 3 37 Tr
18. a preset time The time is set at the factory for 30 minutes but can be changed from 0 99 minutes See User Manual 16 Error Code Explanations 10 11 12 13 H20 Insufficient water in sterilizing chamber Fail a b C d Unit takes more than 45 minutes to reach operating temperature Door opened after FILL display extinguishes Unit takes more than 7 minutes between 101 C and 110 C More than a 3 minute lapse in sterilize countdown due to leak causing more than 4 KPa pressure or if pressure decrease nn a Door Door not fully closed during fill cycle P1 Pressure sensor out of calibration or not working P2 Unit reaches 241 KPa before displaying 135 C SS 1 Steam sensor is defective or autoclave is too cold Under 10 C SS 2 Surface sensor circuit open during self test SS 3 Steam sensor too hot Over 140 C LB Low battery condition in front control panel U1 Transformer problem S1 Fill Vent solenoid coil or circuit open S2 Dump solenoid coil or circuit open S3 Bellows solenoid coil or circuit open 17 Component Description by Function Door Lock The door locking mechanism prevents opening of the door while the unit is pressurized Safety Valve The safety valve serves as backup protection in case of over pressure in the chamber The safety valve opens if chamber pressure exceeds 2 6 bar NOTE When replacing the safety valve use only the type for whic
19. ace Surface Sensor room temperature is there continu See repair procedure ity between the two wires on connector P8 Replace Power PCB See repair procedure Le Figure 8 48 Troubleshooting U 1 Check input voltage to the transformer at P3 on Power PCB blue wire to brown wire It should be 115VAC or 230VAC depending on unit specifications See Figure 41 Check output voltage from transformer at P7 on the Power PCB red wire to red wire approximately 32VAC and yellow wire to either red wire approximately 16VAC See Figure 42 Replace Power PCB See repair section Yellow Check voltage to the unit Also check the switch on the back of the unit be sure it is in the ON position Replace Transformer See repair section Figure 41 49 Troubleshooting S1 Is resistance of Fill Vent Solenoid approximately 16 OHMS See Figure 43 Replace Fill Vent Solenoid See repair procedure Are connections to Fill Vent Solenoid OK Repair replace connections Replace Ribbon Cable Is Ribbon Cable OK Check for broken wires or loose connections Yes Recheck all cables If cables are ok replace MPU PCB Figure 43 50 Troubleshooting S2 Is Dump Solenoid coil resistance approximately 16 OHMS See Figure 44 Replace Dump Solenoid See repair procedure Are Dump Solenoid connections OK Repair replace
20. ance lt should be approx Replace properly connected at P13 of Reconnect imately 16 OHMS See Figure 16 Bellows the Power PCB RTD Sensor Solenoid Check and inspect bellows solenoid Measure voltage from TP6 to TP8 on the power PCB The voltage should read10mV per degrees C FTD Sensor Oe ie 100mV 10 C Check heater LED D15 it should See Figure 18 flash on and off continuously Yes Is it ON continuously See Figure 19 Replace Power PCB See Next Page No Replace Power PCB Branch 1 Figure 17 BELLOWS D17 OVERHEAT HEATER PROTECTOR D14 D15 Figure 19 Figure 18 31 Troubleshooting P2 cont d Note Program the unit to display temperature in degrees C and pressure in KPa Branch 1 Observe the temperature and pressure windows on the front display As T temperature and pressure are going up Yes Ac ds pressure should numerically equal components temperature on KPa C scale or are OK correlate between 122 and 125 C Replace Steam Sensor Observe the temperature and pressure windows on the front display As temperature and pressure are going up pressure should numerically equal temperature on KPa C scale or correlat
21. asket Support 41 97 021 Tube Dump to Res 10 Model AF 22 94 35 546 O ring 11 94 42 930 Dump Solenoid 23 11539 746 Cap Reservoir 12 94 42 724 Connector 24 14196841 Reducer 25 94 42 732 Tee Compession 5 16 Plumbing Parts No Part No Description No Part No Description 1 41 93 376 Drain Hose Assy Incl 2 3 4 22 41 96 817 Bracket Valve 2 33 39 947 Tube Drain 23 30 00 044 Screw 3 15 22 502 Quick Connect Male 24 18 81 056 Nut 4 15 22 494 Quick Connect Female 25 18 81 064 Sleeve 5 41 96 973 Tube Fill to Ch 26 9442 740 Elbow 6 15 39 381 Elbow White Polypropylene 27 15 39 837 Washer 7 15 39 274 Wire Tie 28 94 42 922 Fill Solenoid 8 94 42 906 Hose Overflow 29 54 40 610 Elbow 90 5 16 x 1 8 Npt 9 1522510 Hose Drain 30 54 40 602 Tube 1 Long x 5 16 O D x 049w Brs 10 15 39 365 Clamp Hose 31 94 42 948 Bellows Solenoid 11 94 42 815 Pin Cotter 32 41 96 981 Tube Bel to Ch 12 15 39 829 Ground Screw 10 24 x 5 33 041572 RTD Sensor 13 41 97 146 Air Filter 34 94 48 598 Tubing Connector Long 14 30 00 051 Lock Washer 35 41 96 759 Nut 1 4 Comp 15 30 00 028 Hex Nut 36 41 96 767 Sleeve 1 4 Comp 16 42 07 416 Pump Strap 37 94 42 732 Tee Compression 5 16 17 1 33 25 086 Pump Delta amp Siemens 115V 38 54 40 628 Barb 3 16 x 1 8 Npt 17 2 33 38 683 Pump Siemens amp TUV 230V 39 54 73 017 Check Valve 18 42 05 923 Screw Button Head 40 18 81 0
22. ath B level in the chamber approximately half way up the dam in the front of chamber Clean or replace reservoir filter and chamber filter Unit is OK Does chamber fill properly now Run another cycle to test See Figures 8 and 9 Adjust the front feet so that the front of the unit is approximately 1 4 higher than the rear Is the unit properly leveled Is the reservoir filled to No the correct level with distilled water Be sure to fill the reservoir to the bottom of the fill cup with distilled water See Next Page Figure 8 25 Troubleshooting H2O Path A Unit Will Not Fill Properly cont d Yes Was the unit drained The unit could have an air lock preventing it from filling of all its water or Manually fill the chamber with distilled water to the top of recently moved to a the dam located at the front of the chamber new location Close the door and depress CLEAR START This will eliminate the air lock and allow the unit to fill properly Close the door remove the Turn the unit ON Remove screws and casing and start an unwrapped lift off Front Control Panel leaving cycle Observe LEDs D20 and cables connected Press the CLEAR D18 on the Power PCB Are START button Does LED D3 Fill Replace MPU POE they illuminated Vent illumina
23. atures Power Switch Circuit Breaker rear of unit Reservoir Fill Operation Indicator Light Display Window Pressure kPa Arrow Switches Display Window Temp Time C F Minutes Clear Start Switch Low Water Light Mode Selection Switch Mode Program Display Power On Switch Programming Switch Printer On Off Switch Quick Drain Connection inside door Leveling Feet ff 6 Gene LI 0 90 OC Or qe goo DARRO Door Lock Safety Valve rear corner of unit Operating Instructions Label Caution Label Serial Number Plate inside door oN D oo Safety Features The design of the autoclave has these safety features for your protection Door Lock Door can be opened only when internal pressure is at atmospheric pressure Vent Valve The vent valve will open and the P 2 alarm will display should the chamber pressure exceed 240 kPa Safety Valve The safety valve opens as backup protection should the chamber pressure exceed 262 kPa Overheat Protection Chamber temperature is protected with a surface sensor so the temperature will not exceed 159 C It has additional overheat protection should the temperature of the heating elements reach 180 C Electrical Power Interruption In case of a power failure during the sterilization cycle pressure in the chamber is automatically vented to the atmosphere and display is blank Chamber and Door 7 y M No Part No Description
24. connections Replace Ribbon Cable Recheck all cables If cables are OK replace MPU board Figure 44 51 Troubleshooting S3 Is Bellows Solenoid coil resistance No Replace Bellows Solenoid approximately 16 OHMS See repair procedure See Figure 45 Are Bellows Solenoid tions OK gt gt Repair replace connections connectio f Is Ribbon Cable OK Check for broken No Yes Recheck all cables If cables are OK replace MPU board 52 General Ordering Information Customer Service 8 a m 6 P M EST 1 800 659 6560 Customer Service Fax Orders 1 800 659 7255 Technical Support 8 A M 6 P M EST 1 800 659 5922 Technical Support Fax 1 704 659 7255 Purchase Information Write in the model and serial number below for the dental chair MODEL DATE PURCHASED SERIAL NUMBER DATE INSTALLED DEALER NAME AND ADDRESS Notes 53 Notes Rion e rane Pelton amp Crane PO Box 7800 Charlotte NC 28241 7800 USA 2004 Pelton amp Crane We reserve the right to make any alterations which may be due to any technical improvements Part No 042280 Rev 0 03 05 Printed in USA
25. dump solenoid See Figure 15 Branch 2 Figure 15 No Is water or steam leaking from the Check to see if items in door chamber are blocking door m pace goot gasket open Remove and run another cycle Is steam leaking out of the safety relief valve See Figure 13 Check for cracked chamber or other signs of water leakage from the chamber Pull and release the chain on the safety valve to reseat it Does this stop the leaking See Figure 13 Yes gt Unit is OK Replace the safety relief valve Figure 13 29 Troubleshooting P1 Observe the temperature in degrees C and the pressure in KPa on the front display panel Do they correlate Unit OK or become numerically equal between 122 and 125 C See Figures 15 amp 16 Figure 15 Replace steam sensor Again observe the temperature in degrees C and the pressure in KPa on the front display panel Do they correlate or become E EM equal between 122 and 125 Figure 16 Unit OK Replace Power PCB 30 Troubleshooting P2 Note Program the unit to display temperature in degrees C and pressure in KPa Is steam water returning to the Does LED D17 Bellows on Power reservoir through the condensing PCBc ycle OFF and ON between See Next o o 9 coil between 90 and 110 C 90 C and 1109 C Page See Figure 17 Branch 2 Check bellows coil for correct Is the RTD steam Sensor resist
26. e between 122 and 125 C Yes Temperature y and pressure components are OK Replace Power PCB Branch 2 Does LED D4 Bellows on Front MPU PCB cycle OFF and ON between 90 and 110 C See Figure 4 Replace MPU PCB Check continuity of ribbon cable If it checks out OK replace Power PCB Figure 4 e HB an e ze E gt e eo O o n e 00 gt eo Sos gt eb eco 00000000000 32 Figure 5 Troubleshooting Fail Path A Unit Fails Between 90 C amp 110 C The Fail alarm is aresponse from several different sensors and aborts the cycle because a condition has been detected that will not allow the completion of a successful cycle The following conditions will cause a Fail alarm A The air purging cycle be tween 101 C and 110 C takes more than 7 minutes B The unit takes more than 45 minutes to reach sterilization parameters C During the Sterilization portion
27. e voltages correct See Figure 31 Defective trans former or cable Repair or replace as needed Replace fuse Does fuse blow again Replace Power PCB Unit is OK No Replace Power PCB Figure 30 Power PCB is OK e i oe ngi a ag ME 1 SE BE d 000 s tici Boe BiU se Qu Note QE zm z 3220 Blown Fuse LICET DOC nn Caon N SW1 amm e D Dioon pq Figure 29 42 Unit Will Not Turn On cont d Branch 2 Is proper voltage present at P3 1 P3 3 120VAC or 240VAC andis voltage selector switch SW1 in correct position See Figures 30 amp 32 Yes Replace Power PCB If voltage is not present recheck incoming power and unit circuit breaker Turn unit circuit breaker Off and back On Is power present now No Yes M Unit is OK Defective unit circuit breaker or cable Repair or replace as needed md o 5 sh s EH Hn m ooo al e oo sC 5 on Figure 32
28. er Place it in ice water until E three heater wires from Foro PCB display reads 0 C Turn unit off No x Replace at TB1 Measure the resistance between unplug RTD sensor from Power PCB RTD each white wire and the black wire This Replace connector P13 and measure resis should be approximately 16 OHMS for Heating tance across the sensor Is the each white wire to the black wire See Element resistance approximately 1000 Figure 19 OHMS CHECKING HEATING ELEMENT 10 MODELS Disconnect power to the unit Remove the sensor See Next Page two heater wires from Power PCB at TB1 Branch 1 Measure the resistance between the two A white wire This should be approximately Replace 10 OHMS See Figure 21 Heating jj Element B tvm See Next Page p Branch 2 HEATER PROTECTOR OO il p x f OM Ko Go Mo Els E A e TT i Figure 20 sh O Ba et 8 MODELS Figure 19 10 MODELS Figure 21 35 Troubleshooting Branch 1 Yes During a cycle does the crossover the point at which the steam value in KPa equals the temperature Defective value in C occur between 122 Pressure and 125 Transducer Replace Yes Power PCB Check
29. f the Display bottom PCB is defective return it with the display and cover intact Do NOT attempt to remove it from the cover Power Board This PCB carries all of the necessary driver circuitry for the solenoids and the heater and the interfaces for all temperature sensors and the pressure sensor This PCB has indicators and test pins for monitoring the input output status of this board Transformer This Transformer generates all of the low voltage supplies required to operate the unit 18 Audible Signals The Sterilizer provides some of its status information through audible signals A single beep sounds each time a button or the main power switch is activated Five continuous beeps indicate the beginning of the drying cycle Five more beeps indicate the completion of the drying cycle Continuous beeps for one minute indicate an operational error Beeper can be silenced during an operational error by depressing the CLEAR START button Be sure to record the display status before depressing the button as the display may also be cleared at this time The DOOR alarm is cleared if the door is closed 19 After loading the Sterilizer close the door select the proper Mode and depress CLEAR START The unit will display selected modes parameters for four seconds after which it will display FILL as water runs in from the water reservoir into the chamber After filling the display will show the current pressure PRES
30. fill and dump See Figure 4 repair procedure solenoids and OVDC at the bellows solenoid See Figure 2 Check solenoid cables between solenoid amp Power PCB Disconnect power to the unit Are cables disconnected or unplug one wire from each damaged See Figure 6 solenoid and measure the resistance of the solenoid coils Replace solenoids The resistance should be as necessary approximately 16 OHMS Reconnect properly or See Figure 7 replace cable Replace Power PCB See repair procedure Yes Check dump and fill vent solenoids and tubings for blockage wo gt ssl DHO Figure 6 27 Troubleshooting H2O Path B Chamber Loses Excessive Water As the chamber begins to build pressure excess water will start returning to the reservoir through the condensing coil via the bellows solenoid At 90 C the air purging process begins This process opens and closes the bellows while sampling for a pure steam atmosphere The purging process is complete at 110 C After this occurs no water should return to the reservoir until sterilization is complete Branch 2 Checking for External Leaks Close the door and start and No Unwrapped cycle After the unit Are there any external water leaks with the unit running and Yes y Tighten or replace parts as needed reaches 111 C is any water or steam returning to the reservoir under pressure
31. for improper loading meth ods in chamber Run an empty load If it runs OK unit was overloaded 115V 230V WHITE e WHITE 115V 230V BLACK Q WHITE 115V WHITE Q 230V BLACK 10 AF 120V AF 006000 and UP Two Wire Heater 230V WHITE 230V WHITE 36 Fail Path B Unit Fails Between 110 C amp Sterilization Target cont d Branch 2 Measure resistance from each heating element lead to the frame of the chamber The reading should be infinite Is it No The elementis grounded Replace element Leave the wires disconnected and reconnect the unit Start a cycle Measure for line voltage output at connector TB1 1 TB1 2 and TB1 3 TB1 2 for 120V units and TB1 1 TB1 3 for 230V units This output will be cycling ON and OFF with LED D15 See Figure 1 ey Replace Power PCB Check for improper loading methods in chamber Run an empty load Ifitruns OK unit was overloaded Figure 1 Troubleshooting Fail Path C Unit Fails After Reaching Sterilization Parameters If the unit fails during this portion of the cycle it is due to a steam leak Remove the unit cover and start an Un wrapped cycle When the unit reaches hold a mirror under the discharge line of the Replace sterilization lift the lid off of the reservoir Safety Valve Does the mirror fog up Safety Check for leaking solenoids as described in See Figure 3 Valve CHEC
32. h the unit was originally certified Fill Vent Solenoid The fill vent solenoid serves two purposes under software control When in the fill process this solenoid allows water to enter the chamber from the reservoir It is open for a minimum of one minute during this process It will be open for longer periods of time as each successive cycle is run based on the amount of water in the reservoir If there is pressure in the unit at the time the fill cycle starts then this timer will be delayed until all pressure has been exhausted in order to facilitate rapid cycling of the unit When in the venting process and the pressure is between 0 40 and 0 20 bar this solenoid is used to extract the Water from the chamber Bellows Solenoid This solenoid is under software control and also serves two purposes When in the venting process this solenoid is used to exhaust the pressure from the working value down to 0 40 bar When in the air bleeding process this solenoid is used as an electronic bellows to remove the air from the chamber in order to obtain saturated steam conditions Dump Solenoid This solenoid is under software control Its primary purpose is to rapidly exhaust residual chamber pressure Normally during the venting process it will be opened at 0 20 bar but it may be opened during the filling process to exhaust residual pressures Reservoir Assembly The reservoir assembly holds water approx 4 liters for filling the autoc
33. l as A AA possible handle PC boards only at the edge Discharge yourself by touching a grounding point Transport PC boards only in the original transport bags Find article numbers required for ordering replacement parts in the List of Spare Parts documents order number P L 4702135 for the 8 unit or P L 4702143 for the 10 unit The pictorial representations in the spare parts list offer valuable assistance for replacement of parts Removing Reinstalling Cover 1 To remove cover remove only the two bottom screws of rear panel 2 Remove reservoir fill cup 3 Slide cover to rear then lift front of cover slightly to clear top of reservoir Note When replacing cover make sure lip of front panel engages in slot along all edges Reinstall screws and reservoir fill cup 15 The Sterilizer is a fully automatic autoclave which allows an operator to select one of the four preset functions Wrapped Unwrapped Packs and Liquids and one user programmable function Special for sterilization or disinfection The microprocessor automatically selects the cycle time temperature and pressure for the preset programs See User Manual When the operator depresses the CLEAR START button the unit will display the selected mode s parameters for four seconds and then fill the chamber with distilled water from the reservoir When the filling period is complete automatic activation of the heating elements builds temperature a
34. lave chamber Drain tube in the reservoir allows the operator to drain from the front of the sterilizer see User Manual Maintenance The condensing coil in the reservoir condenses steam coming from the chamber back into water for reuse in the next cycle Water Level Indicator A float mechanism activates the low water light on the front panel when water level in reservoir drops see User Manual chapter Operations Heating Element The heating element allows for even heating of the chamber The power level is controlled by the microprocessor for preheat sterilization and drying cycles When the unit is turned on the heaters are energized in preheat mode 0600 1800 hrs to minimize the warm up time for the first cycle The heaters modulate ON OFF at a given duty cycle and depend upon the incoming line voltage and frequency in every process Air Pump and Filter A positive displacement air pump forces ambient air through a 0 3 um filter and then through the chamber for the programmed time Microprocessor MPU Front Panel Printed Circuit Board There are two PC boards located underneath the front cover which contain the microprocessor and the display driver push button controller These two PCBs are stacked one on top of the other The top PCB is the microprocessor board which has LEDs and test points for monitoring the input output status of the processor The bottom PCB is the display driver Push button controller WARNING I
35. nd pressure for the desired cycle As the temperature in the unit rises above 90 C the microprocessor monitors the unit for saturated steam conditions and starts the air bleeding process via an electronic bellows function If this process cannot be completed in seven minutes then the unit automatically aborts the cycle and displays a flashing FAIL on the display to indicate possible blocked or defective bellows See FAIL in the Troubleshooting section The cycle is aborted at this point to avoid a possible overpressure condition At the point that saturated steam conditions are met the unit will continuously build temperature and pressure to the minimum values of the mode selected These values are 134 C and 216 KPa for Wrapped and Unwrapped 1219C and 115 KPa for Packs and Liquids For the Special mode the values can be set to the operator s preference See User Manual Once sterilization parameters are achieved if the pressure drops more than 4 KPa below the selected pressure or if the temperature drops more than 1 C below the selected temperature the countdown timer will stop until these parameters are again met If the timer does not resume countdown within three minutes the unit will automatically abort the cycle and display FAIL continuously See FAIL in the Troubleshooting section After the cycle is complete and the chamber is vented the drying cycle begins Filtered ambient air is pumped through the chamber for
36. ng instructions ICAUTION DO NOT PLACE ANY PART OF short in the User Manual YOUR BODY HEAD ARMS ETC ABOVE DOOR AS STEAM WILL BE COMING OUT OF CHAMBER i Is there any water in the chamber Check technique of drying such as Placement of bags in the chamber type of bags used and if the door was shut See during the drying cycle Is chamber User loading technique OK Manual Check clean or replace chamber and reservoir filters Be sure the filter in the cham ber is installed securely and touching the bottom of the chamber Is the air filter for the air pump dirty or clogged Replace filter See Figure 22 See Next Page Dirt In Filter 39 Troubleshooting Unit Does Not Dry Properly cont d Is there any moisture Replace the filter and Check Valve located in the tubing between the filter in the air filter and the chamber See Figure 23 Is the pump running during the dry cycle Remove air line from Open chamber door and inlet of filter and check n 26 Valves Is air remove chamber filter Is for air flow 9 flowing from the air flow present i tubing See Figure 25 See Figure 27 Check for 120 VAC at connector P4 Yes Defective Air Pump or cable Repair on Power PCB Is voltage present or replace as needed No See Figure 28 Defective Power PCB Remove air line from Remove air line outlet of filter and check Yes from Check Replace Air Filter
37. nual Refill using distilled demineralized water Unit takes an excessive amount of time over 21 min from warm start to reach sterilization temperature Problem Cause 1 Load is too large 2 Low power line voltage 3 Leak in valves Correciive Action 1 Remove some packages articles for faster heating 2 Correct voltage if possible 3 Refer to FAIL in Troubleshooting Water flows into bottom of Sterilizer when unit is not in FILL cycle Problem Cause 1 Leaking fill solenoid valve 2 Hole in condensing tube Corrective Action 1 Clean or replace fill solenoid valve 2 Replace condensing tube Unit drips on counter when door is opened after cycle Problem Cause Rubber spacer missing or damaged Corrective Action Replace rubber spacer Water comes out of fill opening on top of case when unit vents to reservoir Problem Cause 1 Reservoir overfilled 2 Cracked or loose condenser tube causing turbulence Corrective Action 1 Drain some water With unit in standby and chamber dry fill only to bottom of filler cup opening 2 Tighten or replace condenser tube Dark stains on instruments Problem Cause 1 Electroplating 2 Chlorine stains Corrective Action for 1 Do not mix dissimilar metals in the same package Separate carbon steel aluminum chrome and brass from stainless steel trays by using a tray liner 2 Do notuse toweling or packaging which may contain chlorine bleach residue
38. ofthe cycle the chamber temperature or pressure drops below minimum parameters for 3 minutes accumulated time D The door circuit is interrupted after the Fill portion of a cycle is complete Note The first three conditions will show a constant Fail display The fourth condition flashes Fail The microprocessor allows 7 minutes for the unit to purge air out of the chamber This process begins at 90 C and ends at 110 C Does LED D17 Bellows on Power Does LED D4 Bellows on Yes Check ribbon cable for PCB begin cycling at about 90 C MPU PCB begin cycling at proper connection and See Figure 3 about 90 C See Figure 4 continuity If cable Yes checks OK replace Does Bellows solenoid respond when LED D17 cycles Yes Power PCB When the Bellows solenoid is activated does a strong blast of Replace MPU PCB Check for 12VDC at connector P5 2 to No P5 5 on Power PCB while LED D19 is gt Replace illuminated Is voltage present See Figure 1 Power steam exit the condensing coil in No Disassemble en the reservoir When the solenoid Bellows solenoid Ne ee and check for Check for 12 VDC at Bellows postive On Sum AOS blockage Rebuild solenoid terminals while LED is Son MUWE a orreplace as illuminated Is voltage present Peer needed Also loose cable check tubings for Repairor blockage replace See Next Page Branch 2 Qessa IR Fig
39. oubleshooting Fail Path D Fail Flashes On Display Door switch circuit was interrupted after Fill function was completed Was door opened after fill display changed to temperature pressure Turn unit off and unplug Remove the cover Unplug connector P9 from Power PCB Measure resistance between the two wires with the door Unit is OK Close door and start another cycle Check for intermittent connec tion on cable or switch closed Is continuity present See Figure 6 Check condition of the cable Replace if damaged If cable is OK remove the 2 nuts securing the door switch cover just below the lower door locking tab The Switch closes the circuit when depressed Readjust tighten or replace switch as needed OC 000 00570000000 Figure 6 38 Troubleshooting Unit Does Not Dry Properly Note Be certain the chamber has not been overloaded See User Manual If not overloaded continue below Has the unit been properly leveled Remove trays and tray rest from chamber Run an Unwrapped cycle When the See leveling instructions in User Manual sterilization portion is complete and the cham Has the drying cycle Yes See drying time pro ber vents to O KPa open the door been programed too grammi
40. replace if neces TUV GS No sary and replace door 5 cover jn Paint peeling from cover PARNI atest tul or discoloration of cover Replace cover e ADVERTISMENT Coupler 0 N Tg o Yes Y Missing or damaged labels Mode xx See Figures 36 40 en a Wies Figure 36 TUV 230V zZ WARNING Disconnect Supply in Replace as neccessary lore Servicing ADVERTISMENT Coupler e eda CERTIFIE SAN CSA C22 2 NO 1010 1 ETL EXTR LABORATORIES AC SUMAN AEW YORK 0046 WARNING Disconnect Supply AA Before Servicing A ADVERTISMENT Coupler LE S ES y 000 1234 456 000 000 V 50 60HZ ER akdenfga WARNING Disconnect Supply Before Servicing ADVERTISMENT Coupler CAUTION pr En varin INFORMS Ti I uem 3104 gem CERTIFIED TO SAIUCSA 022 2 NO 1010 1 E TEST LABORATENES WC E sew tone 048 WARNING Disconnect Supply fore Servicing ADVERTISMENT Coupler Model Xxx 000 1234 456 JN Figure 40 Siemens 115V 44 Troubleshooting Printing Problems Is there any activity No Are bother printerand Yes Press printer button Press printer yes T from the printer sterilizer On on front control panel button again y 8 Does display read P Does P ON printung ON appear
41. t connector P6 1 to Yes P6 2 and P6 3 to P6 4 Is voltage Is 56VDC present at Replace displa present TP7 TP5 on MPU BOR and on For 240 volt units PCB See Figure 26 Check for 240 volt output to trans assembly former at connector P6 1 to See Next Page P6 4 Is voltage present Branca See Figure 25 Does D1 POW light when power button is Replace display depressed PCB and cover See Figure 27 assembly See Next Page Branch 2 Yes pe i ne UB s Defective MPU PCB DEBER Hi E 2 q Fig 25 72 Ens B IS Figure 28 ye T 9 y Jo ehe Pal Figure 27 s OQ je o S O serre jo O CN lo je La J 3 f i amp 255 Figure 26 o erus Figure 29 41 Troubleshooting Branch 1 Check for low voltage return from transformer at P7 See Figure 32 P7 1 P7 2 and P7 3 P7 2 should be 16VAC each P7 1 P7 3 should be 32 VAC each Are voltages present Check fuse F1 on Power PCB No Is fuse OK See Figure 29 Check the following DC voltages on Power PCB 12VDC TP2 TP8 5VDC TP9 TP8 24VDC TP10 TP8 15VDC TP11 TP8 Are thes
42. te See Figure 3 See Figure 1 Check ribbon cable between MPU PCB and Power PCB Is it open or disconnected See Figure 4 See Next Page Replace Power PCB See repair procedure Reconnect or 30000300 replace RELAY FILL VENT HEATER AIR PUMP Figure 1 gt LIE i LE A es B E Er Eu b y Jo EE s la y li WW E M Ili ejo E go j i i e G VENT Xhe Q am Y il D20 ik ale d i Y Oral SH E Figure 4 amp esr Figure 3 26 Troubleshooting H2O Path A Unit Will Not Fill Properly cont d Measure the voltage of all three Check for 12VDC output from solenoids while FILL is dis Power PCB at connector P5 played on the front panel The pin 1 pin 4 for dump solenoid and Replace Power voltage should be approximately pin 3 pin 6 for the fill vent PCB See 12VDC at the
43. ure 4 33 Troubleshooting Fail Path A Unit Fails Between 90 C amp 110 C c nt d Branch 1 Yes Verify that the Dump and Fill Vent solenoids are not leaking No Clean repair See H20 PATH B CHECKING or replace as INTERNAL LEAKS section Are necessary they seated properly Yes See FAIL PATH B CHECKING HEATING ELEMENT Figure 4 34 Branch 2 Yes Unplug leads from Bellows solenoid and check for No Replace solenoid approximately 16 OHMS resistance See Figure 4 Yes Disassemble Bellows solenoid and check for blockage Rebuild or replace as needed Also check tubings for blockage See Figure 5 Figure 5 Troubleshooting Fail Path B Unit Fails Between 110 C 8 Sterilization Target Unit takes more than 45 minutes to reach sterilization During the first 10 15 minutes of the sterilization cycle does the unit reach at least 90 C 110 C Is the Overheat Protector Yes Checkfor defective LED D14 on the Power PCB Overheat Protector illuminating See Figure 20 or loose connection Repair or replace as needed Is the Heater LED D15 on the See Checking tor Power PCB cycling ON and NO Replace it buildi 2 Is the unit building pressure Internal External OFF See Figure 20 Power PCB Leaks in H20 section Yes Allow the unit to cool Remove RTD nn HEATING ELEMENT oO Steam sensor from the rear of the chamb
Download Pdf Manuals
Related Search