American Dryer Corp AD-95 service manual Microprocessor

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8.Microprocessor

A.Replace the temperature sensor underneath the basket on a bracket (the bullet shaped device).

B.If it still read "TEMP SENSOR FAIL CHECK TEMP SENSOR FUSE, "unplug J3 4-pin connec- tor from the temperature sensor bracket. Also, unplug the microprocessor J14 4-pin connector from the computer board. Take a continuity reading from J14 no. 1 to J3 no. 1, then from J14 no. 2 to J3 no. 2.

If there is no continuity, check for break in wire, a short to the ground, loose terminations, or even replace the wire.

If there is continuity, computer board is faulty.

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Contents AD-95/ML-95 Retain This Manual In a Safe Place For Future Reference For Your Safety Page Table of Content Troubleshooting Safety Precautions SectionDays CleaningWeekly MonthsSeven Days after Installation and every 6 Months AdjustmentsLubrication Enclosure, Air Supply, and Exhaust Requirements Electrical and Gas RequirementsOperational Service Check Procedure Prior to February 11 Control Panel Microprocessor As of February 11With circuit breaker Reversing Relay Panel With fusesGas Burner Assembly HSI Module Gas ModelsDrive Motor Blower Motor and ImpellerTaperlock Trantorque Drive Shaft Assembly Idler Shaft Assembly Transtorque TaperlockMain Door Switch Basket TumblerSail Switch Gas Models Only Hi-Limit Gas Models OnlyAutomatic Reset Thermostat Lint ScreenLint Drawer Switch Servicing Computer ControlsTo Replace Keyboard Label Assembly To Remove Flame Sensor Probe Ignition ControlsHSI Ignitor Flame Sensor Probe To Replace Gas Valve See burner illustration on To Test and Adjust Gas Water Column PressureTo Replace Main Burner Orifices To Convert Natural Gas to L.P. Gas To Replace Burner TubesDiscontinue power to the dryer To Replace HSI ModuleTo Replace Sail Switch Sail Switch Assembly Gas Models OnlyTo Adjust Sail Switch To Install New Main Door Glass as of October 24 To Replace Main Door SwitchTo Replace Main Door Assembly Front Panel and Main Door AssembliesAs of October 24 Prior to October 24 To Replace Front Panel To Install new Main Door Glass prior of October 24To Replace Main Door Hinge Block Pulleys To Replace Drive Shaft Pulley To Replace Drive Motor PulleyPage Tumbler Wheel Replacement on IdlerAssembly taper lock models Tumbler Wheel Replacement on IdlerAssembly trantorque models To Replace Blower Shaft PulleyBasket Assembly To Replace Blower Motor PulleyBelt Adjustment Motor to Drive Axle To Replace Drive Assembly Pillow Block BearingTo Replace Idler Shaft Pillow Block Bearing Motors To Replace Drive Motor V-BeltsTo Replace Impeller Motor Fan Shaft Drive To Replace Blower Motor V-belts To Replace Front Thruster WheelsRear Access ImpellerTo Replace Lint Door Switch Lint Screen AssemblyTo Replace Lint Screen Dryer will not start, but computer display indictors are on No display on computerComputer will not accept key pad entries Drive motor runs, burner is on, but basket will not turnThermal overload for drive motor is tripping Burner hi-limit safety thermostat is trippingOverload for impeller fan motor is tripping There is excessive vibration coming from the basket Phase 6 OPL System Diagnostics Page E.D. Display Indicators E.D Display Indicator Number AIR AIR JET Output L.E.D. Indicator Optional FAN Blower Output L.E.D. IndicatorFuse Main Fuse Input L.E.D. Indicator Flame bURNER Control Fail Input L.E.D. Indicator E.D. Codes BURNER Control Fail BURNER Safety FailDRUM Safety Fail BURNER Flame FailComputer Logic and Wiring Diagram No Display Condition Drive motor reverses but does not forward, blower motor runs Blower motor does not operate, drive motor runsLint Door Condition Main Door ConditionMicroprocessor Which Must be Reset Manually Technical Information For exampleData Label HOW to USE a Manometer AD-95/ML-95 Tool List ADC450188 1- 01/14/99-25