American Dryer Corp AD-95 Drive motor reverses but does not forward, blower motor runs

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2.Drive motor reverses but does not forward, blower motor runs

A.If computer dot (first dot on the left) does not come on replace the computer.

B.Check for voltage across the coil of the forward contactor located in the reversing panel box. The contactor according to your diagram is marked CR2. The coil markings A1 andA2.

If voltage is present, replace reversing contactor.

If voltage is not present, there is a bad wire or termination between BS2 and contactor coil (CR2).

C.If there is voltage across the two AS2 terminals and no voltage across the two BS2 terminals, replace the arc suppressor board.

If there is no voltage across the two AS2 terminals on the arc suppressor board, the problem is a bad wire or termination between the AS2 board and the J7 9-pin computer connector no. 8 or faulty computer.

3.Drive motor works in forward mode but does not reverse, blower motor runs

A.If computer dot (second one from left) does not come on, check program to see if set for reverse.

B.If set for reverse, replace computer.

C.Check for voltage across the coil of the reversing contactor located in the rear panel box. The contactor according to your diagram is CR3, also the markings on the coil are A1 and A2.

If there is voltage, replace the coil or the complete contactor.

If there is no voltage, check for voltage across the two BS3 terminals on the arc suppressor board.

If there is voltage across the two BS3 terminals and no voltage across the coil of the reversing contactor (A1 and A2), the problem is bad wires or terminations between BS1 and the contactor coil.

D.If there is no voltage between the two BS3 terminals on the arc suppressor board, check for voltage across the two AS3 terminals on the board.

If there is voltage across the two AS3 terminals and no voltage across the two BS3 terminals, replace the arc suppressor board.

If there is no voltage across the two AS3 terminals, the problem is bad wires or terminations between the arc suppressor board and the computer 9-pin connector no. 9 or a faulty computer.

4.Blower motor does not operate, drive motor runs

A.Check for voltage across terminals A1 and A2 of the impeller contactor. This is the single contactor in the reversing control box.

If voltage is present check for voltage across the blower motor. If there is voltage at the blower motor replace the motor.

If there is no voltage at the blower motor, the problem is bad wires or terminations between the contactor and the motor.

B.If there is no voltage present at A1 and A2 of the contactor, check for voltage across the two BS1 terminals of the arc suppressor board.

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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 SectionCleaning WeeklyDays MonthsLubrication AdjustmentsSeven Days after Installation and every 6 Months 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 HSI Ignitor Flame Sensor Probe Ignition ControlsTo Remove Flame Sensor Probe To Replace Main Burner Orifices To Test and Adjust Gas Water Column PressureTo Replace Gas Valve See burner illustration on To Convert Natural Gas to L.P. Gas To Replace Burner TubesDiscontinue power to the dryer To Replace HSI ModuleTo Adjust Sail Switch Sail Switch Assembly Gas Models OnlyTo Replace Sail Switch To Replace Main Door Switch To Replace Main Door AssemblyTo Install New Main Door Glass as of October 24 Front Panel and Main Door AssembliesAs of October 24 Prior to October 24 To Replace Main Door Hinge Block To Install new Main Door Glass prior of October 24To Replace Front Panel 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 PulleyTo Replace Idler Shaft Pillow Block Bearing To Replace Drive Assembly Pillow Block BearingBelt Adjustment Motor to Drive Axle To Replace Impeller Motor Fan Shaft Drive To Replace Drive Motor V-BeltsMotors To Replace Blower Motor V-belts To Replace Front Thruster WheelsRear Access ImpellerTo Replace Lint Screen Lint Screen AssemblyTo Replace Lint Door Switch No display on computer Computer will not accept key pad entriesDryer will not start, but computer display indictors are on Drive motor runs, burner is on, but basket will not turnOverload for impeller fan motor is tripping Burner hi-limit safety thermostat is trippingThermal overload for drive 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 Safety Fail DRUM Safety FailBURNER Control 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
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