American Dryer Corp AD-95 service manual To Replace HSI Module, Discontinue power to the dryer

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To Replace HSI Module

1. Discontinue power to the dryer.

2.Remove the wires connected to the terminal strip at the bottom of the module. (Mark correct location of each wire to aid in

replacement on new module.)

3. Remove the four (4) pal nuts securing the module to the mounting bracket.

4. Replace module by reversing procedure.

5. Reestablish power to dryer.

C. Thermostats

To Replace Burner Hi-Limit Thermostat (Gas

Models Only)

1.This thermostat is an important safety device as an added protection against failure of the air flow (sail switch) to open in

the event of motor failure or reduced airflow conditions.

IMPORTANT: Under no circumstances should heat circuit safety devices ever be disabled.

NOTE: Models manufactured as of 1998 are equipped with a manual reset hi-limit thermostat.

1. Discontinue power to dryer.

2. Disconnect wires from hi-limit thermostat.

3. Remove the two (2) screws, washers and nuts securing thermostat to the bracket. Remove thermostat.

4.Reversing procedure for installing new thermostat.

5.Reestablish power to dryer.

To Replace Lint Compartment Hi-Heat Protector (225º) Thermostat

This thermostat is part of the "sensor bracket assembly" and is secured to the underside of the basket wrapper in the lint compartment. As a safety device, this thermostat will open (shut off) the heating unit circuit if an excessive temperature occurs. The dryer motor will remain on, even if the thermostat is open.

1. Disconnect power to dryer.

2. Open lint door.

3. Locate sensor bracket assembly and loosen the two (2) Phillips head screws securing bracket assembly to the tumbler wrapper.

NOTE: Do not remove the screws.

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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 Section Safety PrecautionsMonths CleaningWeekly DaysAdjustments Seven Days after Installation and every 6 MonthsLubrication Electrical and Gas Requirements Enclosure, Air Supply, and Exhaust RequirementsOperational Service Check Procedure As of February 11 Prior to February 11 Control Panel MicroprocessorWith fuses With circuit breaker Reversing Relay PanelHSI Module Gas Models Gas Burner AssemblyBlower Motor and Impeller Drive MotorTaperlock Trantorque Drive Shaft Assembly Transtorque Taperlock Idler Shaft AssemblyBasket Tumbler Main Door SwitchHi-Limit Gas Models Only Sail Switch Gas Models OnlyLint Screen Automatic Reset ThermostatLint Drawer Switch Computer Controls ServicingTo Replace Keyboard Label Assembly Ignition Controls To Remove Flame Sensor ProbeHSI Ignitor Flame Sensor Probe To Test and Adjust Gas Water Column Pressure To Replace Gas Valve See burner illustration onTo Replace Main Burner Orifices To Replace Burner Tubes To Convert Natural Gas to L.P. GasTo Replace HSI Module Discontinue power to the dryerSail Switch Assembly Gas Models Only To Replace Sail SwitchTo Adjust Sail Switch Front Panel and Main Door Assemblies To Replace Main Door SwitchTo Replace Main Door Assembly To Install New Main Door Glass as of October 24As of October 24 Prior to October 24 To Install new Main Door Glass prior of October 24 To Replace Front PanelTo Replace Main Door Hinge Block To Replace Drive Motor Pulley Pulleys To Replace Drive Shaft PulleyPage Tumbler Wheel Replacement on IdlerAssembly taper lock models To Replace Blower Shaft Pulley Tumbler Wheel Replacement on IdlerAssembly trantorque modelsTo Replace Blower Motor Pulley Basket AssemblyTo Replace Drive Assembly Pillow Block Bearing Belt Adjustment Motor to Drive AxleTo Replace Idler Shaft Pillow Block Bearing To Replace Drive Motor V-Belts MotorsTo Replace Impeller Motor Fan Shaft Drive To Replace Front Thruster Wheels To Replace Blower Motor V-beltsImpeller Rear AccessLint Screen Assembly To Replace Lint Door SwitchTo Replace Lint Screen Drive motor runs, burner is on, but basket will not turn No display on computerComputer will not accept key pad entries Dryer will not start, but computer display indictors are onBurner hi-limit safety thermostat is tripping Thermal overload for drive motor 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 FAN Blower Output L.E.D. Indicator AIR AIR JET Output L.E.D. Indicator OptionalFuse Main Fuse Input L.E.D. Indicator Flame bURNER Control Fail Input L.E.D. Indicator E.D. Codes BURNER Flame Fail BURNER Safety FailDRUM Safety Fail BURNER Control FailComputer Logic and Wiring Diagram No Display Condition Blower motor does not operate, drive motor runs Drive motor reverses but does not forward, blower motor runsMain Door Condition Lint Door ConditionMicroprocessor Which Must be Reset Manually For example Technical InformationData Label HOW to USE a Manometer AD-95/ML-95 Tool List ADC450188 1- 01/14/99-25