Alliance Laundry Systems ZDE30RGS171CW01 Troubleshooting Manual Download Page 25 | Manualshive

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505894

23

Section 3 Troubleshooting

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

12. DRYER HEATER ASSEMBLY OR BURNER DOES NOT SHUT OFF

Dryer 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 to Dryer
Motor Does Not
Stop paragraph.

Yes

Is wiring

incorrect?

Refer to wiring
diagram.

No

Yes

SWD1700S

Has heater

assembly

shorted?

Remove heater
assembly and
check for short.

No

Yes

SWD1700S

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Summary of Contents for ZDE30RGS171CW01

Page 1: ...www comlaundry com Troubleshooting DRY684C Part No 505894R2 March 2012 Homestyle Dryers Refer to Page 6 for Model Numbers...

Page 2: ......

Page 3: ...g Assembly Does Not Heat or Burner Does Not Ignite 15 7 Igniter Does Not Glow Gas Supply Sufficient Gas Dryer Models 17 8 Burner Ignites and Goes Out Repeatedly Gas Dryer Models 18 9 Igniter Glows But...

Page 4: ...els 43 28 Sensor Check Gas Models 44 29 Igniter Check Gas Models 44 30 Ignition Control Grounding Check Silicon Nitride Ignition 44 31 Thermal Fuse Electric Models 44 32 Heater Assembly Electric Model...

Page 5: ...tructions 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 communic...

Page 6: ...ms also recommends contacting an authorized technician and using authorized factory parts To reduce the risk of electric shock fire explosion serious injury or death Disconnect electric power to the d...

Page 7: ...whom the machine was purchased or contact Alliance Laundry Systems at 1 920 748 3950 for the name and address of the nearest authorized parts distributor For technical assistance call 1 920 748 3121 N...

Page 8: ...4588 LES27A G3018 LES27A G4000 LES27A G4500 LES27A G4518 LES27A G4018 LES28A G4018 LES33A F4562 LES37A F3000 LES37A F3028 LES37A F3300 LES37A F3327 LES37A F4350 LES37A F5412 LES37A G3018 LES37A G4018...

Page 9: ...ls room temperature air in through louvers at the rear of the dryer and over the heat source burner flame for gas and heating element for electric The heated air moves through the heater duct and into...

Page 10: ...risk of electric shock fire explosion serious injury or death Disconnect electric power to the dryer s before servicing Close gas shut off valve to gas dryer s before servicing Never start the dryer s...

Page 11: ...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 moto...

Page 12: ...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 bearing...

Page 13: ...sher 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 bul...

Page 14: ...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 cylinde...

Page 15: ...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 door s...

Page 16: ...right Alliance Laundry Systems LLC DO NOT COPY or TRANSMIT 5 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 Yes...

Page 17: ...es 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 cold Ohms d...

Page 18: ...res section 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 thermostat and replace if inope...

Page 19: ...OW GAS SUPPLY SUFFICIENT GAS DRYER MODELS Gas dryer models Igniter does not glow gas supply sufficient Is there power to power leads on valve Check timer thermostats motor switch and wiring No Has sen...

Page 20: ...r hood flapper restricted No Silicon Carbide Ignition Is burner heat holding sensor contacts open Replace sensor or correct gas supply problem No No DRY1868S Refer to Installation Instructions supplie...

Page 21: ...n No Is gas supply insufficient Check gas supply and pressure Make sure gas shut off valve is turned on No Yes DRY1869S Replace gas valve in warranty or replace coils out of warranty Refer to Test Pro...

Page 22: ...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 adjust...

Page 23: ...em 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 duc...

Page 24: ...om 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 blow...

Page 25: ...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 pa...

Page 26: ...there excessive lint on lint filter Clean lint filter Is exhaust system improper or inadequate Refer to Installation Instructions supplied with unit for exhaust requirements No Yes Yes Yes Does heate...

Page 27: ...ct 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 do...

Page 28: ...tion Yes Is cycling thermostat inoperative Test cycling thermostat and replace if inoperative No Yes DRY1871S Are seals inoperative air leaks Check and replace any inoperative seals in the following a...

Page 29: ...ve 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 rotat...

Page 30: ...HISTLING 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 blow...

Page 31: ...ING FLASH CODE POSSIBLE CAUSE TO CORRECT Constant Light Internal failure Reset dryer Refer to NOTE above If condition persists then replace control One Flash Air in gas line Purge air from gas line Se...

Page 32: ...injury or death Disconnect electric power to the dryer s before servicing Close gas shut off valve to gas dryer s before servicing Never start the dryer s with any guards panels removed Whenever grou...

Page 33: ...f the dryer is evenly distributed The dryer MUST NOT rock IMPORTANT DO NOT move the dryer at any time unless the dryer is completely assembled DO NOT slide the dryer across the floor once the leveling...

Page 34: ...e air shutter to the left to get a luminous yellow tipped flame then turn it back slowly to the right to obtain a steady blue flame g After proper flame is obtained tighten air shutter lockscrew firml...

Page 35: ...IDE IGNITION SYSTEM SILICON NITRIDE IGNITION SYSTEM Figure 3 AIR SHUTTER LOCKSCREW AIR SHUTTER SHUT OFF VALVE HANDLE 1 8 PIPE PLUG For checking manifold pressure D265SE3A WR Air Shutter Lockscrew Air...

Page 36: ...ms or apply live power to timer motor terminals and motor should run To reduce the risk of electric shock fire explosion serious injury or death Disconnect electric power to the dryer s before servici...

Page 37: ...ing switch a Set test meter to read Ohms and apply meter probes to switch terminals NOTE Refer to proper model wiring diagram when reconnecting wires To reduce the risk of electric shock fire explosio...

Page 38: ...460 3 100 Ohms 240 Volt 10 000 13 000 Ohms To reduce the risk of electric shock fire explosion serious injury or death Disconnect electric power to the dryer s before servicing Close gas shut off val...

Page 39: ...witch Replace switch Refer to Section 5 Unplug the motor wire harness from the motor connection block before starting this test B Manually depress actuator Continuity broken between switch terminal 5...

Page 40: ...he dryer is properly grounded W001R1 WARNING Disconnect electric power to dryer before performing any of the following steps or when replacing inoperative motor switch W290 WARNING G 1 2 Ohms between...

Page 41: ...he one taken from the inoperative motor switch in step 3 1 Motor with Switch on Blower End Using a small bladed screwdriver press the thermal overload protector mounting tab downward and remove the th...

Page 42: ...ures included in Paragraph 23 g Before reinstalling the motor assembly apply power 120 VAC directly to motor terminals 4 and 5 Then start and run the motor at least 6 times making sure the motor and s...

Page 43: ...as to flow d Momentary Power Interruption Upon resumption of power sensor contacts will still be open permitting secondary valve to open However with the secondary coil in the circuit the booster coil...

Page 44: ...ing Never start the dryer s with any guards panels removed Whenever ground wires are removed during servicing these ground wires must be reconnected to ensure that the dryer is properly grounded W001R...

Page 45: ...el Refer to Figure 8 b Gently lower the access panel to disengage locators from bottom edge of front panel Refer to Figure 17 c Close main gas shut off valve Refer to Figure 3 d Remove disconnect bloc...

Page 46: ...ccess panel remove two screws from bottom edge of access panel Refer to Figure 8 b Gently lower the access panel to disengage locators from bottom edge of front panel Refer to Figure 17 c Close main g...

Page 47: ...b Gently lower the access panel to disengage locators from bottom edge of front panel Refer to Figure 17 c Remove two screws holding bottom tabs on front panel to dryer side panels Refer to Figure 9 S...

Page 48: ...off valve to gas dryer s before servicing Never start the dryer s with any guards panels removed Whenever ground wires are removed during servicing these ground wires must be reconnected to ensure th...

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