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© Copyright, Alliance Laundry Systems LLC – DO NOT COPY or TRANSMIT

Dryer Troubleshooting

21. Excessive Humming or Whistling Noise in Dryer

Excessive humming or
whistling noise in dryer.

Is blower

housing

inoperative?

If the abnormal operating noise is
loudest at the vent exit, the
problem is originating from the
blower housing. Replace the
current housing and cover.

Yes

SWD1704S

Check blower fan
for missing or
cracked fan blades.

No

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Содержание CTSA7AWN

Страница 1: ...www comlaundry com Troubleshooting Part No 802643R1 June 2009 Home Stacked Washer Dryers Refer to Page 6 for Model Numbers SWD452C...

Страница 2: ......

Страница 3: ...tector 16 7 Dryer Motor Runs But Cylinder Does Not Turn 17 8 Dryer Motor Does Not Stop 18 9 Dryer Runs Only When Door is Open 19 10 Dryer Heating Assembly Does Not Heat or Burner Does Not Ignite 20 11...

Страница 4: ...Legs 52 32 Washer Loading Door 53 33 Washer Motor Belt Tension 54 34 Washer Door Catch 55 35 Shipping Braces 57 36 Burner Flame Gas Models 58 Section 7 Dryer Test Procedures 59 37 Timer Contacts 59 3...

Страница 5: ...instructions IMPORTANT The word IMPORTANT is used to inform the reader of specific procedures where minor machine damage will occur if the procedure is not followed NOTE The word NOTE is used to commu...

Страница 6: ...ician and using authorized factory parts To reduce the risk of electric shock fire explosion serious injury or death Disconnect all electric power to the machine and accessories before servicing Close...

Страница 7: ...m whom the machine was purchased or contact Alliance Laundry Systems at 920 748 3950 for the name and address of the nearest authorized parts distributor For technical assistance call 920 748 3121 Nam...

Страница 8: ...right Alliance Laundry Systems LLC DO NOT COPY or TRANSMIT Introduction Model Identification Information in this manual is applicable to these washers ATE50FGP171TW01 ATG50FGP111TW01 CTSA7AWN CTSA7AWN...

Страница 9: ...d Washer Dryer Works SWD828N Pressure Switch Located inside control cabinet Control Located inside control cabinet Electric Drain Pump Motor Outer Tub Inner Basket Mixing Valve Exhaust Fan Inverter Co...

Страница 10: ...pressure continues to increase as the inner basket fills with water until it is great enough to activate the pressure switch which then causes the wash fill to stop The regular and perm press agitate...

Страница 11: ...reduce the risk of electric shock fire explosion serious injury or death Disconnect all electric power to the machine and accessories before servicing Close gas shut off valve to gas dryer before ser...

Страница 12: ...be repaired with UL approved terminals f After replacing or repairing the wire harness secure the harness wires to the original factory locations Refer to Figure 1 1 The plastic wire clamp should be a...

Страница 13: ...ious injury or death Disconnect all electric power to the machine and accessories before servicing Close gas shut off valve to gas dryer before servicing Never start machine with any guards panels rem...

Страница 14: ...these points until the heating element has shut off this will take several minutes even with an empty load When the heating element shuts off meter should read 120 Volts and the timer motor should adv...

Страница 15: ...ontinue to monitor these points until the burner has shut off this will take several minutes even with an empty load When the burner shuts off meter should read 120 Volts and the timer motor should ad...

Страница 16: ...oth fuses for electric models Yes Is loading door closed Close door No Is door switch inoperative Yes Test switch and replace if inoperative Are motor starting functions inoperative does not start or...

Страница 17: ...wire harness connection block loose Firmly press connection block onto motor switch Remove belt and determine if motor shaft will spin Replace motor if shaft is locked up Is there a bind in motor bear...

Страница 18: ...washer load is a normal dryer load Maximum load dryer cylinder one half full of wet clothes Yes Is clothes cylinder binding Check cylinder for binding and out of round condition Check front and rear b...

Страница 19: ...Is idler lever spring broken weak or disconnected Replace or reconnect spring Yes Is there oil on cylinder Wipe oil from cylinder Yes Is belt inside out Reinstall belt with ribbed surface against cyli...

Страница 20: ...ot stop Is wiring to motor switch incorrect Refer to wiring diagram Yes Is motor centrifugal switch sticky or plugged with lint No Remove dust or lint and spray with a cleaner and lubricant Yes Is doo...

Страница 21: ...ry Systems LLC DO NOT COPY or TRANSMIT Dryer Troubleshooting 9 Dryer Runs Only When Door is Open Dryer runs only when door is open Is door switch miswired Rewire door switch Refer to wiring diagram Ye...

Страница 22: ...Check fuses or circuit breakers Yes Is limit thermostat inoperative Test thermostat and replace if inoperative Yes Electric Models Is heater assembly inoperative Test heater assembly and replace if c...

Страница 23: ...st sensor and replace if inoperative Continued from previous page Yes No Yes No Gas Models Is gas flow in gas orifice restricted Clean out gas orifice Yes Is cycling thermostat inoperative Test thermo...

Страница 24: ...Supply Sufficient Gas Dryer Models Gas dryer models Igniter does not glow gas supply sufficient Is there power to power leads on valve pink and blue wires Check thermostats motor switch and wiring No...

Страница 25: ...s Yes Is weather hood flapper restricted No Is burner heat holding sensor contacts open Replace sensor or correct gas supply problem No No SWD1696S Refer to Installation Instructions supplied with uni...

Страница 26: ...n No Is gas supply insufficient Check gas supply and pressure Make sure gas shut off valve is turned on No Yes SWD1697S Replace gas valve in warranty or replace coils out of warranty Refer to Dryer Te...

Страница 27: ...t requirements Yes Gas Models Is dryer properly equipped for type of gas used Refer to Gas Burner Conversion Procedures supplied in gas burner conversion kit Gas Models Is burner flame improperly adju...

Страница 28: ...ystem requirements Is exhaust duct made of plastic or thin foil No Replace with rigid or semi rigid metal exhaust duct Yes Is lint filter clogged Clean lint filter Yes Is there lint in internal dryer...

Страница 29: ...ed from previous page Is there an air leak at front panel seal Check and replace seal if necessary Check and replace seal s if necessary Is there an air leak at cylinder seal s Is there an air leak at...

Страница 30: ...r heater assembly or burner does not shut off Is motor switch inoperative Must be in a heat setting Test switch and replace if inoperative Yes Motor does not stop No Refer toDryer Motor Does Not Stop...

Страница 31: ...oo small Add one or two bath towels to load Is there excessive lint on lint filter Clean lint filter Is exhaust system improper or inadequate Refer to Installation Instructions supplied with unit for...

Страница 32: ...duct 4 Seal between cylinder and front or rear bulkhead 5 Gap between air duct and filter mounting Yes Electric Models Is resistor inoperative Test resistor and replace if inoperative Heater assembly...

Страница 33: ...r to complete the cycle through the cool down to the OFF position Yes Is cycling thermostat inoperative Test cycling thermostat and replace if inoperative No Yes SWD1713S Are seals inoperative air lea...

Страница 34: ...ssive chattering or vibrating noise in dryer Is idler spring inoperative Remove lower access panel Set dryer to normal cycle and allow it to heat to operating temperature If the belt vibrates as it ro...

Страница 35: ...Whistling Noise in Dryer Excessive humming or whistling noise in dryer Is blower housing inoperative If the abnormal operating noise is loudest at the vent exit the problem is originating from the bl...

Страница 36: ...serious injury or death Disconnect all electric power to the machine and accessories before servicing Close gas shut off valve to gas dryer before servicing Never start machine with any guards panels...

Страница 37: ...fill the control will enter Error Mode The control will turn off all outputs and flash the WASH and DOOR LEDs one second on one second off to indicate a fill error This is a fatal error The machine mu...

Страница 38: ...t switch Is there 120 VAC to control transformer 2 3 No Yes Yes Is there continuity across terminals H9 3 to H9 7 on the machine control when the start switch is depressed Replace machine control No Y...

Страница 39: ...ht Alliance Laundry Systems LLC DO NOT COPY or TRANSMIT Washer Control Troubleshooting Washer Will Not Start No LEDs Lights Lit No response to start switch 220 240 VAC or 120 VAC 50 60Hz SEE MACHINE S...

Страница 40: ...must be closed and attempting to lock Is there 120 VAC across H4 5 to H6 5 on the machine control 1 2 Yes No Is there 120 VAC from the RED wire on door lock assembly to neutral Replace the door switch...

Страница 41: ...Systems LLC DO NOT COPY or TRANSMIT Washer Control Troubleshooting Washer Will Not Start Door Open Error Wash Rinse LEDs Flashing Door must be closed and attempting to lock 220 240 VAC or 120 VAC 50...

Страница 42: ...itch door strike adjustment and or wiring Replace door lock if necessary Yes Is there 120 Volts at machine control terminals H4 4 to H6 5 Replace machine control No Yes Is there 120 Volts at the door...

Страница 43: ...Copyright Alliance Laundry Systems LLC DO NOT COPY or TRANSMIT Washer Control Troubleshooting Washer Will Not Start No Door Lock Door LED Flashing 220 240 VAC or 120 VAC 50 60Hz SEE MACHINE SERIAL PLA...

Страница 44: ...ing 26 Washer Motor Will Not Run Door Final Spin LEDs Flashing 1 No Is there continuity between motor terminals Refer to values at right Yes Replace motor control Replace motor FLW1712S Motor Resistan...

Страница 45: ...Copyright Alliance Laundry Systems LLC DO NOT COPY or TRANSMIT Washer Control Troubleshooting Washer Motor Will Not Run Door Final Spin LEDs Flashing 220 240 VAC or 120 VAC 50 60Hz SEE MACHINE SERIAL...

Страница 46: ...e switch No No Is there 120 Volts at terminals H9 1 to H1 1 on the motor control board Yes 1 2 3 Yes Replace pressure switch Correct wiring between machine control and pressure switch Yes No No Replac...

Страница 47: ...Alliance Laundry Systems LLC DO NOT COPY or TRANSMIT Washer Control Troubleshooting Washer Will Not Fill No Communication Error Wash Door LEDs Flashing 220 240 VAC or 120 VAC 50 60Hz SEE MACHINE SERI...

Страница 48: ...s there 120 Volts at the over level terminal on pressure switch to H6 5 on machine control Yes No Replace inoperative pressure switch Is there 120 Volts across the coil of either the hot or cold water...

Страница 49: ...802643 47 Copyright Alliance Laundry Systems LLC DO NOT COPY or TRANSMIT Washer Control Troubleshooting Washer Overflows 220 240 VAC or 120 VAC 50 60Hz SEE MACHINE SERIAL PLATE 1 2 2...

Страница 50: ...the WHT BLK and the WHT wire going to the pump Is there 120 Volts from H6 2 to H6 5 on the machine control NOTE Check at beginning of spin drain portion of cycle If the pump does not operate check for...

Страница 51: ...802643 49 Copyright Alliance Laundry Systems LLC DO NOT COPY or TRANSMIT Washer Control Troubleshooting Pump Does Not Operate 220 240 VAC or 120 VAC 50 60Hz SEE MACHINE SERIAL PLATE 2 1...

Страница 52: ...eplace fuse Correct wiring between machine control and motor control Is there continuity through each wire of the harness from H2 on the machine control to H7 on the motor control Yes Replace the harn...

Страница 53: ...yright Alliance Laundry Systems LLC DO NOT COPY or TRANSMIT Washer Control Troubleshooting Serial Communication Error Final Spin Rinse LEDs Flashing 220 240 VAC or 120 VAC 50 60Hz SEE MACHINE SERIAL P...

Страница 54: ...ot rock Refer to Figure 3 e Tighten the locknuts securely against the washer base If the locknuts are not tight washer will move out of position during operation f Place rubber feet on all four leveli...

Страница 55: ...any guards panels removed Whenever ground wires are removed during servicing these ground wires must be reconnected to ensure that the machine is properly grounded Washer motor not grounded Disconnec...

Страница 56: ...er access panel opening on rear panel a While supporting lower front access panel remove two screws from bottom edge of access panel and remove panel b Working through the access door opening place a...

Страница 57: ...door bezel to inner door bezel Refer to Figure 6 c Pull hinge side of outer bezel away from door and slide forward Refer to Figure 6 d Remove two screws and nuts holding door catch to door and remove...

Страница 58: ...ng Close gas shut off valve to gas dryer before servicing Never start machine with any guards panels removed Whenever ground wires are removed during servicing these ground wires must be reconnected t...

Страница 59: ...rounded Disconnect electric power before servicing motor W502 WARNING 35 Shipping Braces All stacked washer dryers when shipped from the factory are equipped with two factory installed shipping suppor...

Страница 60: ...ront panel c Set timer to 60 minutes d Close the loading door Start the dryer in a heat setting refer to Operating Instructions supplied with the dryer The dryer will start the igniter will glow red a...

Страница 61: ...wn 5 minutes before OFF Infinite open reading should be found between L1 and H 5 Rotate timer to OFF position Infinite open reading should be found between L1 and M and between L1 and H NOTE Timer mot...

Страница 62: ...re removed during servicing these ground wires must be reconnected to ensure that the machine is properly grounded Washer motor not grounded Disconnect electric power before servicing motor W502 WARNI...

Страница 63: ...itch terminal 5 and terminal 3 black or copper wire Inoperative start switch Replace switch Unplug the motor wire harness from the motor connection block before starting this test B Manually depress a...

Страница 64: ...ower before servicing motor W502 WARNING d Motor Windings Refer to SECTION 8 for Internal Wiring of the Dryer Motor Switch Disconnect electric power to dryer before performing any of the following ste...

Страница 65: ...WARNING 40 Motor Switch a Remove motor and exhaust fan assembly b Remove the two motor switch attaching screws Refer to Figure 17 Disconnect switch leads Remove motor switch c Remove thermal overload...

Страница 66: ...er into the slot located between top of motor switch and plastic clip Lift up on handle of screwdriver until both clip and thermal overload protector detach from motor switch Refer to Figure 13 d Atta...

Страница 67: ...coil The sensor triggers the current to travel around the secondary coil and through the igniter causing the igniter to get hot c Burner Circuit In approximately 30 seconds the igniter attains igniti...

Страница 68: ...the dryer harness plug that would correspond to terminals 1 and 2 on the coil Refer to Figure 14 Meter should register line voltage in all Fabric settings except FLUFF which should read zero VAC g If...

Страница 69: ...off valve Refer to Figure 9 d Remove wires from sensor terminals e Set test meter to read Ohms and put meter probes on sensor terminals Meter should read zero Ohms If meter registers an Ohm reading o...

Страница 70: ...c Disconnect wires from heater assembly NOTE Refer to wiring diagram when rewiring heater assembly d Set meter to read Ohms Apply meter probes to the heater assembly terminals Meter should read as fo...

Страница 71: ...vicing Never start machine with any guards panels removed Whenever ground wires are removed during servicing these ground wires must be reconnected to ensure that the machine is properly grounded Wash...

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