INDUSTRIAL TUMBLE DRYERS 55kg 77kg TROUBLESHOOTING MANUAL 70422201R1Publication date: Apr 2013kg

870422201R1IntroductionCustomer ServiceIf literature or replacement parts are required, contact the source from whom the machine was purchased. Serial

9870422201R1LED OPL and UniLinc Troubleshooting3. Connect one ohm meter probe to the connector in the basket shaft (Refer to Figure 13).4. Connect the

70422201R199LED OPL and UniLinc Troubleshooting58.Fan Motor Contactor ErrorUniLinc Error Display: Fan Motor Contactor ErrorLED OPL Error Display: E F

10070422201R1LED OPL and UniLinc TroubleshootingFan Motor Contactor ErrorTMB2383STMB2383S3142

70422201R1101LED OPL and UniLinc Troubleshooting59.Rotation Sensor ErrorUniLinc Error Display: Rotation Sensor ErrorLED OPL Error Display: E rotTMB23

10270422201R1LED OPL and UniLinc TroubleshootingRotation Sensor ErrorTMB2389STMB2389S23

70422201R1103LED OPL and UniLinc Troubleshooting60.Shorted or Open ThermistorUniLinc Error Display: Shorted ThermistorOpen ThermistorLED OPL Error Di

10470422201R1LED OPL and UniLinc TroubleshootingShorted or Open ThermistorTMB2390STMB2390S1

70422201R1105LED OPL and UniLinc Troubleshooting61.Fuses and Transformer Configuration JumperCheck F3 and F4 fuses and verify the jumper. Jumper optio

10670422201R1LED OPL and UniLinc Troubleshooting62.Dip Switch/Harness Index MismatchVerify the dip switches are in the correct position and the jumper

70422201R1107LED OPL and UniLinc Troubleshooting63.Electronic Control TestingModels with RE Control SuffixThis feature allows the owner to run diagnos

70422201R19IntroductionHow a Tumble Dryer WorksA tumble dryer uses heated air to dry loads of laundry.① When the motor is started, the exhaust fan pul

10870422201R1LED OPL and UniLinc TroubleshootingTMB1374R“dSoft”Control Software Version Number TestPress the Up () or the Down () keypad to scroll t

70422201R1109LED OPL and UniLinc TroubleshootingDiagnostic Test DescriptionsControl Software Version Number Test “”This option displays the contr

11070422201R1LED OPL and UniLinc TroubleshootingDip Switch Status “ ”The control will show the displays in Table 3 according to the DIP switch con

70422201R1111LED OPL and UniLinc TroubleshootingTumble Dryer On Temperature Test “”This option tests the temperature inside the cylinder while r

11270422201R1LED OPL and UniLinc TroubleshootingMachine Configuration Display #3 Test””This option shows the machine configuration values for th

70422201R1113LED OPL and UniLinc TroubleshootingReverse Motor Test “”This option shows the reverse motor running.To start test, control must be

11470422201R1LED OPL and UniLinc TroubleshootingProduction Test CycleTo Enter Production Test Cycle1. Be certain control is in Idle Mode.2. While pres

70422201R1115LED OPL and UniLinc Troubleshooting64.Diagnostic TestingModels with RU Control SuffixDiagnostic MenuThe Diagnostic Menu contains Test, Al

11670422201R1LED OPL and UniLinc TroubleshootingTest Cycle ChartSTEP Test Cycle StepDisplayDescriptionSTEP ADVANCE COMMENTS1Keypad Test Step “Press E

70422201R1117LED OPL and UniLinc TroubleshootingInputs Outputs MenuWhen the Inputs Outputs Menu is accessed through the Diagnostic Menu, the user can

1070422201R1IntroductionFire Suppression System Theory of OperationIMPORTANT: The fire suppression system is designed to diminish a laundry fire start

11870422201R1LED OPL and UniLinc TroubleshootingAlarms MenusThe Alarms Menu contains three screens of information. On the first screen, Alarms (1 of 3

70422201R111IntroductionTemperature SensorTwo temperature sensors are located in the cylinder area of the tumble dryer to provide temperature readings

1270422201R1IntroductionModes of OperationPower-Up ModeSends power to control, begins a status check of the system. Can send control into Idle Mode or

70422201R113Section 3TroubleshootingIMPORTANT: Refer to appropriate wiring diagram for aid in testing tumble dryer components.To reduce the risk of el

1470422201R1Troubleshooting1. Motor Does Not StartTMB2360SMotor does not startIs electrical power off, has circuit breaker tripped or has control fuse

70422201R115Troubleshooting2. Motor Overload Protector Cycles RepeatedlyMotor overload protector cycles repeatedlyIs voltage incorrect?Refer to the In

1670422201R1Troubleshooting3. Motor Runs But Cylinder Does Not TurnMotor runs but cylinder does not turnIs motor drive pulley loose?Tighten drive pull

70422201R117Troubleshooting4. Motor Does Not StopMotor does not stopIs door switch or lint panel switch inoperative?Test switches and replace if inope

1870422201R1Troubleshooting5. No Heat Condition (Non-CE and Non-Australian Models)Ignition Control Module FunctionThere are four components to the ign

70422201R119Troubleshooting6. No Heat Condition Is the Ignition ControlModule’s red light on?NoNoYesYesRefer toParagraph 7.Replace igniter and highvol

2070422201R1Troubleshooting7. Gas Burner Does Not IgniteGas burner does not igniteIs exhaust system inadequate?Refer to the Installation Manual for e

70422201R121Troubleshooting8. Burner Ignites and Goes Out RepeatedlyBurner ignites and goes out repeatedlyIs gas pressure insufficient?Check gas suppl

2270422201R1Troubleshooting9. Burner Shuts off PrematurelyBurner shuts off prematurelyIs there improper or inadequate exhaust and/or make-up air?Refer

70422201R123Troubleshooting10.Burner Repeatedly Cycles Off On High Limit ThermostatBurner repeatedly cycles off on high limit thermostatIs external ex

2470422201R1Troubleshooting11.Steam Valve or Burner Does Not Shut-offSteam valve or burner does not shut-offAre there impurities on gas valve seat, pr

70422201R125Troubleshooting12.Clothes Do Not DryClothes do not dryIs heat source inoperative?Refer to Paragraph 17.Is there too much water in articles

2670422201R1Troubleshooting13.Tumble Dryer OverheatingTumbler overheatingGas Models: Are main burner orifices incorrect?Replace orifices. Gas Models:

70422201R127Troubleshooting14.Burners Not Burning Properly - Gas ModelsBurners not burning properly - Gas ModelsAre burner air shutters incorrectly ad

All rights reserved. No part of the contents of this book may be reproduced or transmitted in any form or by any means without the expressed written c

2870422201R1Troubleshooting15.Loading Door Opens During OperationLoading door opens during operationIs door strike improperly adjusted?Refer to Adjust

70422201R129Troubleshooting16.Tumble Dryer Runs But No Steam To Coils – Steam ModelsTumbler runs but no steam to coils - Steam ModelsAre shut-off valv

3070422201R1Troubleshooting17.Water In Steam Line – Steam ModelsWater in steam line - Steam ModelsIs steam piping installed incorrectly?Refer to Insta

70422201R131Troubleshooting18.Tumble Dryer Will Not Start, Time On Drying Timer, Door ClosedTMB2367STumbler willnot start, timeon drying timer,door cl

3270422201R1TroubleshootingTumble Dryer Will Not Start, Time On Drying Timer, Door Closed RQ Control TMB2357S1234

70422201R133TroubleshootingTumble Dryer Will Not Start, Time On Drying Timer, Door Closed RM Control TMB2319S1 2 3 4

3470422201R1Troubleshooting19.Motor Runs But Will Not HeatMotor runs but will not heatIs igniter sparking?Is IEI control in safety lockout?Non-CE and

70422201R135Troubleshooting20.Cylinder Turns, But Will Not HeatTMB2369S-aCylinder turns, but will not heatDoes airflow switch stay open?Is fan turning

3670422201R1Troubleshooting20.Cylinder Turns, But Will Not Heat (continued)TMB2369S-bContinued from previous page.Is there 24 volts present at input t

70422201R137Troubleshooting21.Cylinder Is “Stained”Over time, the cylinder and cylinder backs of tumble dryers can become “stained” from various melte

270422101R128. Loading Door Catch (120 and 170 Pound Models)... 4529. Loading Door Strike (200 Pound Models)...

3870422201R1Section 4Fire Supression System TroubleshootingA water discharge or system fault is indicated when the fire suppression system control box

70422201R139Fire Supression System Troubleshooting22.Tumble Dryer Does Not Operate and Light Is OnAre there signs offire or waterdischarge?Was there a

4070422201R1Fire Supression System Troubleshooting23.Water Discharge, but No FireIMPORTANT: Electric Models: If water has discharged into machine, you

70422201R141Fire Supression System Troubleshooting24.Tumble Dryer Does Not Operate and Light Is OffTMB2198NIs voltage to fire suppression system contr

4270422201R1Fire Supression System Troubleshooting25.Tumble Dryer Operates, but Water Does Not Discharge and Light Is OnTMB2199NVerify water is suppli

70422201R143Fire Supression System TroubleshootingFIRESUPPRESSIONSYSTEMCONTROLBOARDTMB2200N

70422201R144Section 5Adjustments26.Main Gas Burner Air Inlet Shutters (All Gas Models)Refer to Figure 3.Air inlet shutter adjustments will vary from l

70422201R145Adjustments27.Airflow SwitchThe airflow switch is set at the factory for proper operation. No adjustment necessary.The airflow switch oper

4670422201R1Adjustments29.Loading Door Strike (200 Pound Models)The loading door strike must be adjusted to have sufficient tension to hold loading do

70422201R147Adjustments31.Cylinder ClearanceThe clearance between the cylinder rim and front panel must be adjusted so the cylinder is centered within

70422201R13Section 1Safety InformationThroughout this manual and on machine decals, you will find precautionary statements (“CAUTION”, “WARNING”, and

4870422201R1AdjustmentsFigure 6TMB1786SInside Frontof CylinderCylinderRimFront PanelFlange(Top Shown)Fore / AftClearanceCylinder Rim /Front Panel Flan

70422201R149Adjustments32.Drive Belt TensionRefer to Figure 7.NOTE: If cylinder belts will be adjusted, service them before drive belt.120 Pound Model

5070422201R1Adjustments33.Fan Belt TensionRefer to Figure 8.120 Pound Models:NOTE: Belt tension from fan motor pulley to fan shaft pulley can be measu

70422201R151Section 6Hybrid Timer Control TroubleshootingTo reduce the risk of electric shock, fire, explosion, serious injury or death:• Disconnect e

5270422201R1Hybrid Timer Control Troubleshooting34.Control Has No DisplayIs there voltage supplied to the unit?Is there voltage to the input side of

70422201R153Hybrid Timer Control TroubleshootingControl Has No DisplayTMB2357S512346TMB2357S

5470422201R1Hybrid Timer Control Troubleshooting35.Display Flashes “dr” With Door ClosedIs there voltage betweenH1-3 & H4-7 on the control?Replace

70422201R155Hybrid Timer Control TroubleshootingDisplay Flashes “dr” With Door ClosedTMB2357STMB2357S2345671189101

5670422201R1Hybrid Timer Control Troubleshooting36.Motor Will Not Start/RunIs there voltage across the lines of cylinder motor?Does the cylinder motor

70422201R157Hybrid Timer Control TroubleshootingMotor Will Not Start/RunTMB2357STMB2357S123456789

470422201R1Safety InformationIMPORTANT INFORMATION: During the lifetime of a tumbler, it may require service. The information contained in this manual

5870422201R1© Copyright, Alliance Laundry Systems LLC – DO NOT COPY or TRANSMITHybrid Timer Control Troubleshooting37.Unit Will Not Heat – GasNote: T

70422201R159Hybrid Timer Control Troubleshooting37.Unit Will Not Heat – Gas (continued)Please see following page for wiring diagram information.TMB200

6070422201R1Hybrid Timer Control TroubleshootingUnit Will Not Heat – GasTMB2357STMB2357S123456789101112

70422201R161Hybrid Timer Control Troubleshooting38.Error CodesDisplay Definition Corrective ActionOPOpen thermistor error. • Check thermistor. Replace

6270422201R1Section 7On Premise Micro Control (RM) TroubleshootingTo reduce the risk of electric shock, fire, explosion, serious injury or death:• Dis

70422201R163On Premise Micro Control (RM) Troubleshooting39.Control Has No DisplayControl Has No DisplayIs there power supplied to the unit?Is there 1

6470422201R1On Premise Micro Control (RM) TroubleshootingControl Has No DisplayTMB2319S423516

70422201R165On Premise Micro Control (RM) Troubleshooting40.Door Open IndicatorIs there 24 VAC at the input of the secondary fuse?Door Open IndicatorI

6670422201R1On Premise Micro Control (RM) Troubleshooting40.Door Open Indicator (continued)Please see following page for wiring diagram information.Wi

70422201R167On Premise Micro Control (RM) TroubleshootingDoor Open IndicatorTMB2319S4235671891110

70422201R15Safety InformationLocating an Authorized Service PersonAlliance Laundry Systems is not responsible for personal injury or property damage r

6870422201R1On Premise Micro Control (RM) Troubleshooting41.Motor Will Not Start/RunMotor Will Not Start/RunIs there voltage between H2-7 and H3-4?Is

70422201R169On Premise Micro Control (RM) TroubleshootingMotor Will Not Start/RunTMB2319S24513

7070422201R1On Premise Micro Control (RM) Troubleshooting42.Unit Will Not Heat – Gas/SteamIs there voltage to theN.O. terminal of the airflow switch?U

70422201R171On Premise Micro Control (RM) Troubleshooting42.Unit Will Not Heat – Gas/Steam (continued)Please see following page for wiring diagram inf

7270422201R1On Premise Micro Control (RM) TroubleshootingUnit Will Not Heat – Gas/SteamTMB2319S231314456789101112151

70422201R173On Premise Micro Control (RM) Troubleshooting43.Error CodesOP - Indicates physical “open” in the thermistor circuit. Possible causes are:

7470422201R1Section 8LED OPL and UniLinc TroubleshootingModels with RE and RU Control SuffixesNOTE: The UniLinc’s Inputs and Outputs Menu can be used

70422201R175LED OPL and UniLinc Troubleshooting44.No Fan Motor RotationIs there 24 volts AC atH6-1 to H6-9?Is there 24 volts AC stH6-5 to H6-11?Check

7670422201R1LED OPL and UniLinc TroubleshootingNo Fan Motor Rotation (Drawing 1 of 2)NOTE: The door and lint door must be closed for voltage to be pre

70422201R177LED OPL and UniLinc TroubleshootingNo Fan Motor Rotation (Drawing 2 of 2)NOTE: The door and lint door must be closed for voltage to be pre

670422201R1Section 2IntroductionModel IdentificationInformation in this manual is applicable to these models:Gas Steam/Thermal Oil Electric120PoundCA1

7870422201R1LED OPL and UniLinc Troubleshooting45.No Drive Motor RotationIs there 24 volts AC atH6-1 to H6-9?Is there 24 volts AC atH6-7 to H6-10 (F)o

70422201R179LED OPL and UniLinc TroubleshootingNo Drive Motor Rotation (Drawing 1 of 2)NOTE: The door and lint door must be closed for voltage to be p

8070422201R1LED OPL and UniLinc TroubleshootingNo Drive Motor Rotation (Drawing 2 of 2)NOTE: The door and lint door must be closed for voltage to be p

70422201R181LED OPL and UniLinc Troubleshooting46.Stove and Cabinet Limit ErrorsUniLinc Error Display: Stove and Cabinet Limit ErrorsLED OPL Error Dis

8270422201R1LED OPL and UniLinc TroubleshootingStove Cabinet Limit ErrorsTMB2383S11043TMB2383S568972H6-9

70422201R183LED OPL and UniLinc Troubleshooting47.No DisplayIs there 24 volts ACat H1-1 to H1-3Is there 24 volts ACat H1-2 to H1-4?Check Transformeran

8470422201R1LED OPL and UniLinc TroubleshootingNo DisplayTMB2383S14a3TMB2383S4c4b2

70422201R185LED OPL and UniLinc Troubleshooting48.Airflow ErrorsUniLinc Error Display: Airflow Switch Sensed Closed While Not In Run ModeAirflow Swit

8670422201R1LED OPL and UniLinc TroubleshootingAirflow ErrorsTMB2383S13TMB2383S42

70422201R187LED OPL and UniLinc Troubleshooting49.Fan Motor Centrifugal Switch ErrorUniLinc Error Display: Fan Motor Centrifugal Switch ErrorLED OPL

70422201R17IntroductionIncludes models with the following control suffixes:(Continued) Gas Steam/Thermal Oil Electric170 PoundCA170LCA170NCK170NCT170L

8870422201R1LED OPL and UniLinc TroubleshootingFan Motor Centrifugal Switch ErrorTMB2383S12TMB2383S43

70422201R189LED OPL and UniLinc Troubleshooting50.Close Door IndicationIs there 24 volts AC atH6-1 to H6-9?Is there 24 volts AC atH6-8 to H6-9?Check T

9070422201R1LED OPL and UniLinc TroubleshootingClose Door IndicationTMB2383S12TMB2383S65734

70422201R191LED OPL and UniLinc Troubleshooting51.Moisture Sensor ErrorUniLinc Error Display: Moisture Sensor ErrorLED OPL Error Display: EnoiSTNOTE:

9270422201R1LED OPL and UniLinc TroubleshootingMoisture Sensor ErrorTMB2383STMB2383S123645

70422201R193LED OPL and UniLinc TroubleshootingTroubleshooting the Moisture Sensor CircuitNOTE: Troubleshooting must be done with the machine basket e

9470422201R1LED OPL and UniLinc TroubleshootingTMB2397S1 Basket2 Test Jumber3 Moisture Sensing BaffleFigure 10123

70422201R195LED OPL and UniLinc Troubleshooting53.Troubleshooting From Control to Slip Ring Assembly1. At the control, unplug harness at header H5 (Re

9670422201R1LED OPL and UniLinc Troubleshooting4. An additional harness connection exists between the junction panel and the slip ring assembly. Inspe

70422201R197LED OPL and UniLinc Troubleshooting54.Troubleshooting At Slip Ring Assembly1. At the slip ring assembly, unplug the slip ring assembly har