INSTRUCTION, MAINTENANCE & SERVICE MANUAL
Contents
1. Contolner nn en DRAIN PUMP OPERATION Models 727 737 F 16DP and F 18DP are factory built with drain pumps A square white button on the control panel beside the green power button also evidences this feature All other models have a gravity drain Drain pump equipped models will pump the drain water to a maximum height of 36 0 9 meter A 1 ID flexible hose is recommended to facilitate maintenance and servicing of the machine It is important not to reduce the size of this hose A 1 check valve will be required There should be sufficient hose length to permit the machine to be pulled out for service The drain pump activates automatically during a washing rinse cycle and functions when the water fill valve is open during the fill and rinse cycles To manually drain the wash tank you must 1 Turn off the machine square green button on control panel 2 Open the door and remove the overflow pipe 3 Press the white button on the control panel which will activate the drain pump If the button locks is in the ON position do not forget to turn the pump OFF when the wash water is evacuated The most common causes of drain pump failure are 1 The customer flushed debris down the drain and blocked the impeller in the pump Removing the impeller cover and clearing the obstruction generally restores normal pump function 2 The customer forgot to turn OFF the drain pump older models The pump ran dry or overheated seized2. m R HI TEMP WAREWASHERS INSTRUCTION MAINTENANCE amp SERVICE MANUAL INTRODUCTION Welcome to JET TECH creating endless possibilities This manual was created specifically for service technicians We have included information to help troubleshoot problems and facilitate resolving those problems electrical schematics exploded views and detailed parts lists General information pertaining to our hi temp ware washers will be covered in this section Specific information on our current models will be covered in separate sec tions model by model While in the field you may come across earlier generations of JET TECH machines General operation of these machines is similar if not identical to our current models However certain parts may be unique to these machines This information is readily available from our office We have endeavoured to make this manual as accurate as possible If you find a discrepancy or can t find certain information please contact us We will be glad to help you Updates and modifications will be issued as the information becomes available JET TECH SYSTEMS 7014 Cote de Liesse Montreal Quebec HAT 1E7 Tel 888 275 4534 888 ASK 4 JET 514 737 9701 Fax 514 342 3854 e mail service jet tech com WARRANTY MANUFACTURERS LIMITED WARRANTY Jet Tech Systems Corporation Jet Tech hereby warrants all new warewashers bearing the name JET TECH and installed within the continental U
3. Ka or the hose D T UN M e The adjusting screw Phillips head is located in the middle of the air pressure switch Adjustments should be made in 1 8 of a turn increments clockwise to lower the water level and counter clockwise to increase the water level The wash tank must be emptied and refilled with every adjustment to determine if the correct adjustment has been achieved 1 2 from top of the overflow pipe NOTE Several models have the air pressure switch located in the Slide Out control panel Do not pull the drawer out so far as to pull the air pressure hose off the air pressure switch F16 amp F16DP j Kiker i F18 amp F18DP F20 F22 747 727 amp 737 RINSE PUMP ADJUSTMENT AND PRIMING The rinse pump is standard equipment on all JET TECH machines and automatically injects rinse additive into the rinse water for the final rinse e The rinse pump is located in the base of the machine The front lower panel below the door snaps off to access the rinse pump Cut the cable tie route the tube out from the base of the machine and drop the clear vinyl hose and filter into your rinse additive container F1 8 amp F1 8DP models are supplied with a rinse additive bottle that fits inside the base of the machine Adjustments should be made clockwise to reduce the amount of rinse additive and counter clockwise to increase the amount of rinse additive f air gets in the rinse hose or if the pump stops drawi
4. OF THE MACHINE All JET TECH high temperature washers operate in the same basic manner Ensure that the proper electrical water supply and drain connections have been made that the overflow tube stand pipe is properly positioned in the washtank and the machine is level 1 Press the GREEN POWER BUTTON SWITCH TL and the POWER ON LL indicator light will illuminate as well as the digital temperature gauges TR if so equipped 2 If the washtank is empty the water inlet valve ELB will open and the washtank will start to fill through the rinse arms The door switch MP is bypassed and the fill cycle will continue even if the washer door is opened NOTE On models so equipped the automatic drain pump MPS and or the liquid detergent pump MPD are energized at the same time as the water fill valve ELB The water level is controlled by an air trap in the washtank and an air pressure switch PS As the water level increases air pressure from the air trap is directed to the pressure switch PS When the preset pressure is attained the pressure switch transfers power from the fill valve ELB to the booster thermostat TB 3 If the rinse water temperature is below the preset level the thermostat energizes the booster element RB through coil BCB activating contactor CCB on some models When the proper rinse water temperature is attained power is transferred to the wash tank thermostat TV 4 If the wash water temperature is be
5. filters in addition to the regular amount per batch Use a commercial dish detergent as recommended by your supplier Using too much may cause damage to the pump seals tis more economical to wash when the basket is fully loaded It is also important not to overload the basket Water should always be able to spray freely around the dishware and trays Press the round black Cycle Start Button The Cycle Indicator Light will illuminate The cycle starts and consists of a wash a brief pause and then a rinse Another basket can be filled while the first one 1s being washed The Cycle Indicator Light will to signal the end of the cycle Remove the basket from the machine OPERATION NOTE It is recommended to change the wash water at least twice per day after each peak period Press Square Green Power Button 1 to the off position Twist amp pull up the overflow pipe and allow the machine to drain fully The White Drain Pump Button 8 must be activated on models so equipped Rinse the tank out with clean water and remove any particles of food or debris Do not flush debris down the drain of the dishwasher Remove and clean the filter s Replace the filter s and overflow pipe in their proper positions Close the door leave the machine empty at the end of the day or if the machine will not be in use for more than a few hours Over flow i Br B 1 a NM B WI a C 1 aW m rer entume wm armies ELECTRICAL STAGES
6. or burned out Newer models have a non locking button which must be held for the drain pump to operate Not supplied INSTALLATION OF THE JET TECH LIQUID DETERGENT PUMP A peristaltic type liquid detergent pump kit is available as a user installed option for all models Part List Peristaltic Pump 2 Amm Machine Screws 2 4mm Lock Washers 2 4mm Hex Nuts 2 Smm Hex Nuts Detergent Injector Fitting 1 Filter with Check Valve L Shaped Mounting Bracket 1 Length of Vinyl Tubing Installation procedure 1 Turn off the power going to the dishwasher from the breaker panel 2 Remove the lower front amp rear panels of the dishwashers as per the instruction amp maintenance manual provided with the dishwasher 3 Current models have a factory pre drilled hole in the back Remove the stainless steel nut amp bolt and insert the detergent injector fitting Otherwise drill a 15 32 12mm hole in the back of the dishwasher tank as per the illustration Exact BOLT MUST BE REMOVED TO INSTALL DETERGENT Dx INJECTION FITTING location of the hole is not critical However you must ensure that the location of the fitting will not interfere with the turning of the upper wash arm and also that the fitting will be above the level of the dishracks in the wash tank 4 Install the detergent injector fitting in the hole and secure the nut inside the wash tank 5 Slide one end of the vinyl tubing
7. service department If a customer places a service call outside of our regular business hours Monday Friday Eastern Time we ask that you use your best discretion and notify us on the next business day All claims must be received at our office within 30 days of completing the work We reserve the right to withhold payment when The defective part 1s not returned for inspection The defective part failed because of negligence improper installation unauthorized servicing or improper use of the equipment Missing documents Information MODIFICATIONS AND UPDATES PART MODELS SERIAL s CHANGE 15507 127 9569886 NEW TOP PANEL 15683 15506 NEW BACK PANEL 15684 F18 DP 9901607 THE WHITE DRAIN PUMP BUTTON 737DP 9800871 MUST BE HELD TO ACTIVATE THE 727DP 9800706 DRAIN PUMP AND WILL NO LONGER F16 DP 9800065 LOCK IN THE ON POSITION Part Remains the same TECHNICAL CHARACTERISTICS GENERAL DIMENSIONS n We E Liters Liters EIE i m 00 n 00 m 00 52 73 a nn a 850 00 600 00 600 00 72 73 1485 00 698 00 720 00 155 45 F 16 749 00 508 00 508 00 47 73 e eae F 18 850 00 600 00 600 00 72 73 EE EH E E UNT F 20 1320 625 00 610 00 86 36 E Bs ER ben he F 22 1524 00 710 00 721 00 155 45 PIPER 518 00 503 00 470 00 29 09 ERBEN Pressure Qty Cycle Ideal Requirem MODEL Kg cm2 Liters VOLTS Phase AMPS Seconds ee 208 220 1 Phase lo Ks RM m En Er pm 208 220 1 Phase lol ta sme ae 208 220 1 Phase 15 re
8. ECH SYSTEMS CORP 7014 Cote de Liesse Montreal Quebec CANADA HAT 1E7 Tel 514 737 9701 Toll Free 888 ASK 4 JET Fax 514 342 3854 E Mail service 2 jet tech com Warranty Web www jet tech com One year parts amp labor Continental USA and Canada Exceptions Model Piper 90 days labor amp One year parts The manufacturer reserves the rights to alter design and specifications without notice SERVICE CALL REGULATIONS JET TECH ware washers are warranted as specified in the MANUFACTURERS LIMITED WARRANTY We will pay for 1 Labor to replace a defective part as per the attached Allocated Times Schedule 2 Travel time as specified in the MANUFACTURERS LIMITED WARRANTY See page 4 3 JET TECH original replacement parts supplied from service company inventory We will not pay for e More than one man on a service call Waiting time Call for an appointment if required Unauthorized labor charges Travel time exceeding the MANUFACTURERS LIMITED WARRANTY See page 4 More than one service call for the same problem e Adjustment or calibrations as specified in the MANUFACTURERS LIMITED WARRANTY See page 4 Replacement of small items pilot light screens jets Cleaning or regular maintenance Overtime or weekends charges time and a half or more Problems due to improper installation Problems due to improper water supply temperature or inadequate excessive water pressure Problems
9. MPORTANT SERVICING OUR MACHINES IS EASIER THAN EVER Our models F 16 F 18 F 20 727 amp 737 feature a control panel drawer that slides out for ease of access to internal components Moving the dishwasher and removing the top panel is generally not necessary Open the dishwasher door and wedge a flat bladed screwdriver between the lower lip of the control panel left amp right sides and the doorframe The control panel will unsnap and slide forward On our model F 22 the top panel lifts off On our model 747 give the control drawer a quick tug forward from underneath and it will slide out The lower front panel unsnaps at the bottom on all models giving access to the componenets in the base of the machine F 15DP 747 TROUBLE SHOOTING CHECK ACTION A001 Is the wash water clean Drain the tank rinse and refill Are the wash rinse arm jets clogged Clean the jets nozzles Be careful not to lose the o rings Are the scrap screens clean Clean the scrap screens amp filters PROBLEM Does not wash properly Is the water level in the wash tank Water level should be just under the correct opening of the overflow pipe The air trap may have dirt in it Clean the air trap The air pressure switch may be faulty Adjust or replace as required The solenoid valve may have dirt in it Clean filter or replace as required or may be defective Incoming water pressure may be If the pressure is too low under either t
10. d labor coverage shall be limited to regular hourly rates only Any supplemental hourly rates or charges such as weekends or emergency premiums remain the responsibility of the user Jet Tech Systems Corp Jet Tech hereby states that warranty travel time shall be limited to and without exception a round trip total of two 2 hours OR mileage up to a maximum of one hundred 100 miles round trip Any charges exceeding those stated herein must have prior authorization by the factory Exceptions to above warranty are A Damages resulting from shipping handling or abuse B Incorrect installation and or connections C Adjustments or calibration of any thermostats or timers D Faults due to lack of regular maintenance or cleaning of any internal part s E Replacement of any wearable items such as glasswasher curtains or peristaltic squeeze tubing or gaskets F Excessive lime mineral alkali or hard water conditions and G Poor results due to use of an incorrect type of detergent for non commercial type applications and excessive or inadequate water temperature s or pressure conditions JET TECH SYSTEMS CORPORATION STATES THAT THERE ARE NO OTHER WARRANTIES EXPRESSED OR IMPLIED THAT ARE NOT SET FORTH HEREIN JET TECH SYSTEMS CORPORATION SHALL ASSUME NO OTHER RESPONSIBILITY EITHER DIRECT OR NON DIRECT OR BE LIABLE FOR ANY OTHER OR ADDITIONAL LOSS OR DAMAGE WHETHER BEING DIRECT OR CONSEQUENTIAL AS A RESULT OF ITS EQUIPMENT JET T
11. d ogg a emp a m m NN ee al 208 220 1 Phase FE Do sl o omm om PIPER 110 13 6 180 PERO o ox d mp mem Lal Above parameters are subject to change without notice Please check with the factory for most current specification data UNDER COUNTER INSTALLATION nstall legs on machine e Make sure the machine is leveled f a counter is put on top of the dishwasher it is preferable if the counter can be removed easily for servicing If the counter is fixed leave half an inch minimum between the counter and the top of the unit TABLE FOR UTILITY CONNECTIONS DIMENSIONS SEE PAGE 11 ern emque F 16 DP F 18 F 18 DP DIAGRAM FOR UTILITY CONNECTIONS F 20 1 POWER SUPPLY 2 WATER INLET 3 DRAIN OUTLET THE CONTROL PANEL RINSE TEMP WASH TEMP M Wu F 18 DP RINSE TEMP EN Gi Gi EPTITHE 747 ON Gi WASH TEMP RINSE TEMP LEGEND 1 Green Power Button Switch 2 Power ON Indicator Light 3 Rinse Temperature Gauge 4 Wash Temperature Gauge 5 READY Indicator Light 6 Cycle Start Button 7 Cycle Indicator Light 8 White Drain Pump Button 9 Black Warm Rinse Button OPERATION F 18DP Before operating the machine ensure that the electrical power water supply and drain connections have been made as per the installation instructions Ensure that the overflow pipe is correctly set in its place inside the wash tank The overflow pip
12. ded view for the model you are servicing to determine NN ee the location of the thermostats e When the machine is ON and the wash tank is full power is sent to the booster thermostat When the correct rinse water temperature is Iv Tb achieved power s transferred to the wash tank thermostat When the correct wash water temperature 1s achieved power is transmitted to the READY indicator light on the control panel The booster always has priority in this sequence IMPORTANT NOTE When the booster element is heating there will be no power going to the tank element The two elements are never on at the same time If neither element is heating check the booster contactor If the booster element is defective the wash tank element will not heat e The thermostat that controls the booster is identified as TB and the thermostat that controls the wash tank element is identified as TV The adjustment screw is in the middle of the thermostat and is sealed with paint to keep its calibration during shipment It is possible to break this seal by turning the adjustment screw with a flat bladed screwdriver Adjustments should be made in 1 8 of a turn increments clockwise to increase the temperature and counter clockwise to decrease the temperature You should allow 10 15 minutes between adjustments for the temperature to stabilize Listen carefully when adjusting the booster thermostat If you hear the water starting to boil in the booster tank the therm
13. door type machines the filter screen must be removed to provide the required increased water flow Lea FTADE CYCLE TIMER JET TECH washers use a mechanical type timer which cannot be serviced and must be replaced if defective E m Iir apt LB wit Le a CYCLE TIMER MAINTENANCE DAILY e Remove the rack Drain and clean out the dishwasher Clean all the scrap screens Clean the wash tank Do not use abrasives to wash the tank Do not flush food particles down the drain on DP Drain Pump Equipped Models Verify levels of product for detergent and rinse aid WEEKLY Clean wash rinse arm jets and free them of any blockage Remove the wash rinse arm assembly by unscrewing the center knob e Turn off the power to the machine Open the front panel with a screwdriver Visually inspect the peristaltic pump for worn tubes MONTHLY Visually inspect inside the machine for any water or detergent leaks SEMI ANNUALLY Replace tubes in peristatic pumps e Verify if O Rings are worn on wash rinse arms Rotate upper and lower arm assembly ANNUALLY A complete verification by a qualified JET TECH technician is now recommended Treatment for mineral deposits e Flush and drain booster e Run a few cycles with a de liming product Electrical verification Check all water and drain connections for any leaks Check all components Check hoses for wear and tear I
14. due to inadequate excessive electric supply Disconnecting of hard plumbing or removal of counter tops etc WE ARE HERE TO HELP YOU WITH DIAGNOSTIC OR SERVICE PROBLEMS Call us toll free at 1 888 275 4538 for assistance Our standard procedure is to invoice all parts shipped for WARRANTY REPAIRS The invoice will be credited upon return of defective parts used for WARRANTY REPAIRS YOUR INVOICE MUST INCLUDE THE FOLLOWING INFORMATION 1 Warranty Repair Authorization Number 2 Model and serial numbers 3 Problem reported 4 Detailed description all charges including dates hours worked and work done 5 Reason for part failure 6 Indicate the general state of the equipment cleanliness and if abuse is apparent We expect that your work is warranted by your company for at least 90 days ALLOCATED TIMES These are the allocated times for servicing Jet Tech products under warranty If an item is missing please call our office for the information paas O f coe TME ews Dignicorpobem f T 5 Vacuum cyinder AM except 747 F22 ws 425 Vacuum oylinder z7 F2 5 Vacuum oylinder hose AM except747 F22 1089 teeta O O OOO 3 VecuumcyinderRose747 F22 1880 9 Washammanfodupper BE 18 CT Washammanfodiower f e 75 Wahamade m7 3 Rinse 1 ima 75 ieEbowlwe o ma o Dorah Door catch mechanism part
15. e should never be forced into its position Familiarize yourself with the gauges buttons and indicator lights on the control panel Check that there is sufficient rinse additive and if your machine is equipped with a liquid detergent pump confirm that there is sufficient detergent as well Press the Square Green Power Button The Power Indicator Light will illuminate as well as the Digital Temperature Gauges if so equipped If the wash tank is empty the machine will start to fill Always keep the door closed during this time When the machine has filled to its required water level the elements will then raise the rinse and wash water temperatures automatically It will take approximately 15 20 minutes in order to obtain the optimum temperatures 185 F in the booster and 140 F in the wash tank The Ready Indicator Light amp will illuminate to indicate that the machine is ready for its first load e Fill the basket with dishware and trays then push the basket into the machine If you are using a powder detergent add the required amount usually about one full tablespoon in the wash tank and close the door If you are using liquid detergent with a chemical pump system optional detergent will be added automatically DO NOT use domestic dish soap 2 NOTE Whenever starting with the initial fresh water after fill up it is recommended to place 1 2 full tablespoonfuls of detergent if you are using powder detergent on the
16. ect SEE A008 ABOVE Constantly fills E001 Is overflow tube properly positioned in Check for cracks or burrs w ash tank A005 The air trap may have dirt in it Clean the air trap A006 The air pressure switch may be faulty Filling is too short A005 The air trap may have dirty in it Clean the air trap A006 The air pressure switch may be faulty Adjust or replace as required F001 A005 The air trap may have dirty in it Clean the air trap A006 The air pressure switch may be faulty Adjust or replace as required H001 Machine is not leveled Level the dishwasher H002 Water level in wash tank is too low Adjust pressure switch or replace as required E D i If service is required or for any other inquiries you can contact us H SH 888 ASK 4 JET 514 737 9701 FAX 514 342 3854 Filling is too long Dishwasher makes a high pitch noise when washing The wash tank may too much detergent Too much soap may cause the pump to make a high pitch noise Reduce the detergent amount and ensure it is of the non foaming type used The mechanical seals may be worn Replace as required The wash pump does not operate consistently during a wash cycle
17. g the wash cycle 9 At the end of the wash cycle timer micro switch M2 opens stopping the wash pump MPL sending power to timer micro switch M3 Micro switch M3 energizes the water inlet valve ELB starting the rinse cycle NOTE On models so equipped the automatic drain pump MPS and or the liquid detergent pump MPD are energized at the same time as the water fill valve ELB At the end of the rinse cycle the water inlet valve ELB closes and CYCLE INDICATOR LIGHT LC extinguishes Any of stages 2 through 5 may activate simultaneously during any of the wash cycle stages 6 through 9 IMPORTANT NOTES Models F 16 and F 16 DP feature an alternative warm water rinse Activating the Black button on the front control panel bypasses the booster tank for the final rinse and rinses using incoming water from the water inlet valve e JET TECH ware washers do not dump and fill after every cycle The wash water is refreshed during every cycle by the hot rinse water Excess stale water is expelled from the machine via the overflow pipe Some models are equipped with an automatic drain pump MPS White button on the front control panel that will evacuate water to a maximum height of 36 0 9M Please see the section on DRAIN PUMP OPERATION THERMOSTAT ADJUSTMENT Before adjusting the thermostats make sure that the temperature display probes and the thermostat probes are properly set in their respective cavities Check the explo
18. low the preset level the wash thermostat TV energizes the wash tank element RV through coil BCV activating contactor CCV on some models When the proper wash water temperature is attained power is transferred to the READY LP indicator light IMPORTANT THE TWO ELEMENTS ARE NEVER ENERGIZED AT THE SAME TIME THE BOOSTER ELEMENT ALWAYS HAS PRIORITY OVER THE WASH TANK ELEMENT 5 The READY LP light indicates that the temperatures are ideal for a wash cycle It is normal for this light to cycle on and off as the elements maintain the proper rinse and wash temperatures 6 Press the BLACK CYCLE START BUTTON TC This activates a micro relay BR This momentary relay energizes two internal micro switches CRI amp CR2 When CRI is closed it bypasses the CYCLE SWITCH TC keeping the relay BR closed CR2 energizes the timer motor MT and the CYCLE INDICATOR LIGHT LC illuminates starting the wash cycle 7 As the timer motor MT starts to turn the cam closes the first timer micro switch MI and opens the circuit energizing the relay BR This new connection bypasses the relay BR and keeping the timer motor MT and the CYCLE INDICATOR LIGHT LC energized This micro switch stays closed for the length of the wash cycle 8 One or two seconds after the wash cycle is initiated the second timer micro switch M2 is closed M2 energizes the wash pump s MPL through coil BCMPL activating contactor CCMPL on some models startin
19. may be blocked Un clog or reposition hose Un clog or Drain pump may be blocked or replace drain pump as required defective not allowing proper drainage of machine A010 The overflow may be clogged Clean out any residue B001 The power switch may be unplugged Verify and replace as required or defective B002 Verify if power is going to the Verify the breaker Verify electrical machine connections behind the machine B003 The door micro switch may be Adjust switch Replace as required misaligned B004 Te timer may be defective B005 The momentary relay may be Replace defective Pilot lamps do not illuminate B006 The wash cycle button may be Replace defective D001 Pilot lamps may be faulty Check connections Replace as required D002 Verify thermostats Both thermostats may be defective TROUBLE SHOOTING Machine takes too long to empty A009 Drain outlet hose may be blocked Drain Un clog or reposition hose Un clog or pump may be blocked or defective not replace drain pump as required allowing proper drainage of machine A010 The overflow pipe may be clogged Clean out any residue Wash cycle is too short B004 The timer may be defective A005 The air trap may have dirty in it Clean the air trap A006 The air pressure switch may be faulty Adjust or replace as required A007 The solenoid valve may have dirt in itor Clean filter or replace as required may be defective A008 Incoming water pressure may be incorr
20. mixing with the fresh water from the booster that rinse the dishes There is an adjustment screw on the pump to regulate the amount of detergent being injected during each cycle INSTALLATION OF THE JET TECHLIQUID DETERGENT PUMP Turning counter clockwise shortens the injection pulse time as well as increasing the time between pulses Turning clockwise lengthens the injection pulse time as well as decreasing the time between pulses INSTALLATION OF NON JET TECH DETERGENT PUMP There is power going to the detergent pump wiring harness only when the water fill valve is open during the fill cycle and during the rinse cycle as explained in the previous section This may be incompatible with some soap systems Do not make any connections to the timer as this may cause the machine to malfunction and therefore void the warranty DETERGENT PUMP PROBE INSTALLATION On models F22 and 747 we recommend drilling a hole in the front of the recessed wash tank 4 from the left side of the recessed wash tank as illustrated below TIMER AND SOLENOID REPLACEMENT WATER INLET VALVE SOLENOID e The water inlet valve is open during the fill and rinse cycles The machine fills through the rinse arms Check the exploded view for model you are servicing to determinate the location of the water inlet valve This valve cannot be serviced and must be replaced if defective NOTE If you are replacing the water inlet valve on a model F 22 or 747
21. ng additive from the container the pump may need to be primed 1 Turn OFF the machine and empty the wash tank 2 Turn the adjusting screw on the rinse pump approximately 10 turns counter clockwise The screw may fall out but this is not a problem Just remember how many turns you had made when the screw fell out 3 Turn the machine ON amp OFF ON amp OFF ON amp OFF ON amp OFF etc until the liquid is drawn up the tube to the rinse pump 4 Turn the adjusting screw on the rinse pump 10 turns clockwise or the same amount of turns you had made when the screw fell out LIOUID DETERGENT PUMP ADJUSTMENT Models 727 737 F 16 F I6DP F 18 F ISDP amp F 20 are supplied with a factory installed liquid detergent pump to wei Li hg automatically dispense detergent into the wash tank chambers D Cu tie wrap and insert filter into rinse additive bottle 2 Adjustment screw Cut tie wrap and insert filter into liquid detergent bottle WASH amp RINSE DIAGRAMS WASH AND RINSE DIAGRAM FOR F16 amp F16DP PIPER WASH AND RINSE DIAGRAM FOR F18 amp F18DP F20 F22 727 737 747 RINSE SYSTEM WASH SYSTEM PONEO TM Kr eps in f 5 N ER rg SES Rinse Arms Wash Aras Mosen Eescht Ue a i i p E Over E o Si Woter pee Level Wed Resa yvolr id Reservar Te val ve Booster SM xe TS D Sa m e GE Bu Ri se Ald HE Pump Rinse Aid SE D
22. nited States of America or Canada to be free from defects in material or workmanship under normal and regular usage and operation for a period of one 1 year following the date of original installation unless specified otherwise but in no event can exceed eighteen 18 months from the date of shipment from the factory If a defect in material s or workmanship is detected or found to exist within the stated period above Jet Tech at its sole discretion shall either repair or replace any original equipment manufacturers part which has proven to fail within the machine providing that the equipment has not been altered or tampered with in any manner has been installed correctly as per the owners manual and maintained and operated in complete accordance with this manual The labor cost to repair or replace any part proven to be defective as per above clause s shall be covered by Jet Tech Systems within the continental United States of America or Canada provided that prior authorization for this labor was approved by Jet Tech Systems the service work was performed by an authorized Jet Tech service agency and that this agency installed an original and genuine Jet Tech part in the machine Any repair work performed by a non authorized service depot remains the sole responsibility of the user and Jet Tech Systems will not be held responsible The installation of any generic part will not be valid and therefore voids this warranty All authorize
23. on to the detergent injector fitting valve and secure with the hose clamp provided Route the free end of the tubing into the base of the dishwasher and out the front ensuring that areas of high heat such as the booster tank and the pump motor are avoided 6 Cut the vinyl tubing to the required length at the front of the dishwasher leaving sufficient slack and connect the free end to the peristaltic pump outlet fitting Inlet amp outlet are identified on the pump by arrows 7 Connect one end of the loose piece of tubing to the inlet fitting of the pump 8 Secure the mounting bracket with pump to the screw studs under the wash tank with the 5mm Hex Nuts provided Secure the peristaltic pump to the L shaped bracket with the 4mm screws lock washers amp 2 nuts provided 9 Connect the two electrical leads from the peristaltic pump to the wiring harness in the dishwasher 10 Route the free end of the vinyl tubing out the bottom of the dishwasher again ensuring that areas of high heat such as the booster tank and the pump motor are avoided Connect the tubing to the filter with check valve 11 Replace the lower front amp rear panels of the dishwasher OPERATION OF THE LIQUID DETERGENT PUMP The pump will operate automatically during the washing rinse cycle The pump operates whenever the water fill valve is open during the fill cycle and during the rinse cycle remember that the detergent is being injected into the wash tank and is not
24. oo low or too high will result in 25psi check that the faucet is fully poor rinsing opened If it is the customer may need to install a pressure booster pump to increase the water pressure If the water pressure is too high above 35psi you must install a pressure reducing valve amp set at 30psi Drain outlet hose may be blocked Un clog or reposition hose Un clog or Drain pump may be blocked or replace drain pump as required defective not allowing proper drainage of machine The overflow pipe may be clogged Clean out any residue Wash pump may be clogged or Open face plate of wash pump for defective inspection Clean wash pump or replace it if necessary Detergent system may be defective Peristaltic hose s may have to be replaced The detergent filter in the container may be clogged or worn Replace Check the detergent line for deposits Clean the line if necessary Detergent dispenser may be Replace defective A014 The detergent used is of poor quality Replace with a quality commercial brand Dishes appear dirty after the cycle is Pre rinse the dishes properly before completed they are placed into the dish racks A016 Foreign material may accumulate on A foreign object such as napkin may the scap screens be in the wash system All tubes and wash arms should be cleaned A017 Small specs remain on glasses after Have water analyzed May need a rinsing fillering system or other product
25. ostat is adjusted too high Thermostat tolerance is 3 degrees 140 F 60 C for the wash 185 F 85 C for the rinse NOTE Several models have the thermostats located in the Slide Out control panel Do not pull the drawer out so far as to pull the air pressure hose off the air pressure switch F16 amp F16 DP F20 F22 727 737 747 F18 amp F18 DP zu d i ct d Jo m i 4 g rr i 4 L F e H iLE E H Ss e z EI a i T gt r J Ki We EINE CS y a Base of machine Control Panel Top of machine AIR PRESSURE SWITCH ADJUSTMENT The air pressure switch works in conjunction with the air trap in the wash tank to regulate the water level in the wash tank EX e Check the exploded view for the model you are servicing to determine the location of the air pressure switch e When the machine is first turned on and if the wash tank is empty the air pressure switch sends power to the water inlet valve As the water level rises in Du l the wash tank air pressure is created in the air trap The air pressure hose sends xd this air Dez to the air pressure switch When the predetermined air pressure Ko MOIS SE e x E NS 1S achieved the air pressure K eS cael NE N switch switches the power from Pa the water inlet valve to the booster thermostat QEON WW Before adjusting the air E Mx i pei e x pressure switch ensure that there are no obstructions Or blockages i in 1 the a air trap
26. s 2 2 2 2 2 2 2 2 gt gt gt gt o o o o o olo CA ur CA oO S O e oO oO or ev VW o Te CO N Oo 0 RB eV N TROUBLE SHOOTING Does not operate start B001 The power switch may be unplugged Verify connections and replace as or defective required Verify if there is power going to the Verify the breaker Verify electrical machine connections to the machine B002 B003 The door micro switch may be Adjust switch Some of the parts may defective have to be replaced B004 The timer may be defective B005 The momentary relay may be Replace defective B006 The washing cycle button may be Replace defective One of the electrical components may Each electrical components must be have a short circuit checked Replace as required B007 B008 The wiring may have a short Verify all connections A006 The pressure switch may be faulty Adjust switch Replace as required A007 The solenoid valve may have dirt on it Clean filter or replace as required or may be defective C001 The rinse agent may be of an inferior Replace with a quality commercial quality brand C002 Rinse aid pump may need to be Prime or adjust Replace as required primed or adjusted A007 The solenoid valve may have dirt in it Replace as required or may be defective A008 Incoming water pressure may be SEE A008 ABOVE incorrect Spotting on glassware Dishwasher overflow A009 Drain outlet hose
27. s 12049 12050 Be 12052 12054 10470 10489 60258 10435 60012 10415 Stainless panels 12062 12003 15 12063 12002 15507 15504 15505 15506 Booster tank 12064 15515 2 eee Lesen il Door Switch 20035 20536 MP 15 ome o o DS 2 8R 7 Booster Element 20080 20069 15 Lo m l 7 Tank Element 20080 20069 HV 5 TL aech Timer 20088 20075 MT 5 LERNEN EMEN Air Pressure Switch 20053 20058 PS 5 20059 20192 20525 HmeAdPeump 29 5 ALLOCATED TIMES PARTS 24 CODE TIME Hours Wash pump on PIPER F16 F18 40248 40242 MPL 1 20240 5 5 5 is Wash pump on 747 F20 F22 40230 40236 MPL 7 v Tube for chemical injector Rinse feed tubing s pj WARRANTY CLAIM PROCEDURES When a service call is placed by JET TECH a dealer distributor end user or other it does not necessarily mean that the service call will be covered by warranty If we request a service call we will fax all the details available to us at the time including customer information as well as the reported problem We will also advise you if the equipment is still within the warranty period If the equipment is within the warranty period we will also FAX a WARRANTY AUTHORIZATION NUMBER often listing the parts that may be required to complete the repair as well as the allocated times to diagnose the problem and install the recommended parts If the problem 1s other than what was reported please contact our
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