ADC ML-82 service manual Electrical Troubleshooting

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SECTION VIII

ELECTRICAL TROUBLESHOOTING

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Contents ML-82 Retain This Manual In a Safe Place For Future Reference For Your Safety Page Table of Contents Section SERVICE/PARTS Information Important Information Safety PrecautionsStandards Specifications SPECIFICATIONS/COMPONENT IdentificationSpecifications MLG-82 Gas MLS-82 Steam Component Identification Page Cleaning Routine MaintenanceLubrication AdjustmentsDescription of Parts Control Panel AssemblyDoor Switch Assembly Lint Drawer Lint Drawer SwitchBasket and Support Assembly Temperature Sensor Bracket AssemblyTumbler Bearing Assembly Idler ARM Assembly DRIVE/FAN Mount AssemblyBlower Motor HSI HOT Surface Ignition Burner BOX Assembly Sail Switch AssemblyFront Panel Assembly Reversing Relay Panel Introduction ServicingTo Replace Computer Board To Replace Keyboard Label AssemblyTo Replace Microprocessor Temperature Sensor Probe Computer ControlsHSI Ignitor Flame Sensor Probe Ignition ControlsTo Remove Hot Surface Ignitor To Remove Flame Sensor ProbeTo Test and Adjust Gas Water Column Pressure To Replace Gas Valve Refer to burner illustration onTo Replace Main Burner Orifices To Convert Natural Gas to L.P. Gas To Replace Burner Tubes To Replace HSI ModuleTo Replace Burner HI-LIMIT Thermostat GAS Models only Sail Switch Assembly GAS Models only To Adjust Sail Switch To Replace Sail SwitchTo Install New Main Door Glass To Replace Main Door AssemblyTo Replace Main Door Hinge Block To Replace Front PanelTo Replace Steam Coil Damper System Steam Controls InstallationTo Replace Steam Coil To Replace PistonTo Replace The Needle Valve To Replace the 3-Way Micro ValveTumbler and Bearing Assembly To Replace Tumbler Pulley ReversingTo Replace The Rear Tumbler Bearing To Replace Idler Bearing Idler Shaft and Bearing AssemblyTo Replace The Front Tumbler Bearing To Replace Idler PulleyDrive Pulley Tumbler BasketTumbler Alignment Vertical To Replace The Tumbler And/Or Tumbler Support Tumbler Alignment LateralBelts Refer to Illustrations in Sections I and K Belt Tension Adjustment-Tumbler To IdlerTo Replace V-Belts Belt Tension Alignment Motor To IdlerDiagnostic L.E.D. Display Failure Codes Phase 6 OPL System DiagnosticsPage E.D. Display Indicator Number E.D. Light Emitting Diode Display IndicatorsPage Fuse Main Fuse Input L.E.D. Indicator FAN Blower Output L.E.D. light emitting diode IndicatorAIR AIR JET Output L.E.D. Indicator Optional HT1 Heat Output L.E.D. IndicatorSail Sail Switch Input L.E.D. Indicator Lint Lint Door Input L.E.D. light emitting diode IndicatorMain Main Door Input L.E.D. Indicator Drum Tumbler HI-LIMIT Input L.E.D. IndicatorPower Supply Input L.E.D. Indicator E.D. Codes GAS only Ignition Attempt Failure Fault CodesGAS Models only Power 24 VAC is not Evident AT GAS Valve GAS/ELECTRIC only BURNER/OVEN Open HI-LIMIT CircuitComputer will not accept keypad touchpad entries TroubleshootingDrive motor runs, burner is on, but basket will not turn Dryer operates but is taking too long to dryThermal overload for drive motor is tripping Overload for impellor fan motor is tripping Burner hi-limit safety thermostat is trippingThere is excessive vibration coming from the basket Electrical Troubleshooting Drive motor reverses but does not forward, blower motor runs No Display ConditionLint Door Condition Blower motor does not operate, drive motor runsTemp Sensor Fail Check Main Door ConditionTechnical Information Motor Plate High and LOW VoltageFor example Contact American Dryer Corporation Data LabelAmerican Gas Association, Canadian Gas Association Data Label Model DryerManual Reset HI-LIMIT Instructions Computer Logic SERVICE/PARTS Information ServiceParts Warranty Information Returning Warranty CardsReturning Warranty Parts Page ML-82 Tool List ADC 450404 1- 12/21/99-50