ADC ML-190, ML-175 service manual Introduction, Lint Drawer Switch Computer Controls

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Lint Drawer

Servicing ______________________________

The lint drawer is located at the bottom of the dryer in the lint

Introduction

compartment. Simply grab the lint drawer handle, slide out

All electrical/mechanical service or repairs should be made

the drawer, brush off the lint, and slide the drawer back in.

 

with the electrical power to the dryer disconnected (power

 

off).

 

 

 

! WARNING

 

Personal injury could result.

 

The information provided in this section should not be

 

misconstrued as a device for use by an untrained person

 

making repairs. Service work should be performed by

 

competent technicians in accordance with local, state, and

 

federal codes.

 

When contacting the factory for assistance, always have the

 

dryer model and serial numbers available.

 

!

CAUTION: Observe all safety precautions

 

displayed on the dryer or specified in this

 

 

 

 

manual before and while making repairs.

 

Before considering replacement, make sure that all

 

connectors are in place and making proper contact.

Lint Drawer Switch

Computer Controls

The lint drawer switch is located in the lint compartment and

attached to the side of the lint drawer track. The lint drawer

To Replace Computer

switch ensures that the dryer will operate only when the lint

Disconnect electrical power to the dryer.

drawer is completely closed. This is a safety device and

 

 

should never be disabled.

Disconnect main power harness, along with the three other

 

connectors located on the computer board, from rear of

 

computer by squeezing locking tab and pulling connector

 

straight back.

 

Disconnect the “green” ground wire and the air jet wire from

 

the computer.

 

Disconnect keypad ribbon from the computer.

Remove the screws securing the computer to the sheet metal control panel. Remove the board by pulling the other two corners off the clinch studs.

Install new computer by reversing this procedure.

When replacing the computer, the “A” and “B” factors must be reprogrammed. (Refer to “Computer Operator’s Manual” for details.)

NOTE: The “A” and “B” factors are printed on a label located on the rear of the control panel (refer to illustration).

Reestablish electrical power to the dryer.

10

American Dryer Corporation

450431 - 3

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Contents ML-175 / ML-190 American Dryer CorporationRetain This Manual in a Safe Place for Future Reference Date of Purchase Model no RESELLER’S Name Serial NumbersTable of Contents Cleaning Routine MaintenanceSafety Precautions Important InformationInstallation Requirements Compressed Air Requirements Operational Service Check ProcedureDescription of Parts Electrical and Gas RequirementsSteam Coil and Damper System Gas Burner AssemblyReversing Relay Panel Steam Coil pH LevelSpeed Reducing Shaft Idler Shaft AssemblyRotational Sensor Assembly Drive ShaftBurner Hi-Limit Gas Models Only Main Door SwitchSail Switch Gas Models Only Tumbler Hi-LimitLint Drawer Lint Drawer Switch Computer ControlsIntroduction Ignition Controls Page To Convert from Natural Gas to L.P. Gas ThermostatsTo Replace Burner Hi-Limit Thermostat Gas Models Only Sail Switch Assembly Gas Models Only Front Panel and Main Door AssembliesTo Replace Front Panel To Install New Main Door GlassPulleys To Replace Drive Shaft PulleysTo Replace Motor Pulley Tumbler AlignmentBearings To Replace Drive/Idler Shaft Pillow Block BearingsTo Replace Speed Reducing Shaft Bearings Rotational Sensor Switch ReplacementTo Replace Rear Tumbler Shaft Support Wheels Belts Basket and SupportMotors To Replace Fan Shaft and/or Fan Shaft Bearings Lint Drawer AssemblyImpellor To Replace Lint ScreenTroubleshooting Burner hi-limit safety thermostat is tripping Phase 6 OPL System DiagnosticsDiagnostic L.E.D. Display Failure Codes Overload for impellor fan motor is trippingD. Display Indicators D. Display Indicator NumberHT1 Heat Output L.E.D. Indicator FAN Blower Output L.E.D. IndicatorAIR AIR JET Output L.E.D. Indicator Optional Fuse Main Fuse Input L.E.D. IndicatorPhase 7 OPL System Diagnostics Motor Plate High and Low Voltage Input / Output Board L.E.D. IndicatorsTechnical Information ExampleData Label Using a ManometerHow To Use a Manometer Tool List450431 ADC Part No 3 06/17/08