Servicing, Introduction, Computer Controls | ADC 450428 guide

SECTION V

SERVICING

INTRODUCTION

ALL electrical and mechanical service or repairs should be made 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.

A. COMPUTER CONTROLS

To Replace Computer Control Panel

1. Discontinue electrical power to the dryer.

2. Disconnect main power harness from rear of computer by squeezing locking tabs and pulling connector straight back.

3. Disconnect the “green” ground wire from the computer.

4.To remove control panel assembly from control box, gently tap the bottom of the control panel upward and lift off the hinges.

5.Install new control panel assembly by reversing this procedure.

6.When replacing the computer, the “A” and “B” factors must be reprogrammed. (refer to Phase 6 OPL User’s Manual [ADC Part No. 113022].)

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

7. Reestablish electrical power to the dryer.

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ADC 450428 service manual Servicing, Introduction, Computer Controls, To Replace Computer Control Panel

Contents

American Dryer Corporation ML-130 Retain This Manual In a Safe Place For Future Reference For Your Safety Page Table of Content Phase 6 OPL System Diagnostics Important Information Safety Precautions Standards Cleaning Routine MaintenanceMATERIALS, GASOLINE, and Their Flammable Vapors Lubrication Adjustments ENCLOSURE, AIR SUPPLY, and Exhaust Requirements Installation RequirementsElectrical and GAS Requirements Operational Service Check Procedure Page HSI HOT Surface Ignition Module Gas Models Only Description of PartsControl BOX Drive Motor Idler Assembly GAS Burner AssemblyBlower Motor and Impellor Tumbler Basket Bearing and Pulley Arrangement Main Door SwitchTumbler Basket Manual Reset Thermostat Sail Switch Gas and Electric Models OnlyHI-LIMIT Gas and Electric Models Only Lint Drawer Lint Drawer SwitchSteam Damper System To Replace Computer Control Panel ServicingIntroduction Computer Controls To Replace Microprocessor Temperature Sensor Probe To Replace Keyboard Touchpad Label AssemblyTo Replace Computer To Remove Hot Surface Ignitor refer to illustration above Ignition Controls HSI Ignitor Flame Sensor Probe To Remove Flame Sensor Probe To Replace Main Burner Orifices To Test and Adjust Gas Water Column Pressure To Convert from Natural Gas to L.P. Gas To Replace HSI Hot Surface Ignition Module To Replace Burner TubesThermostats Page Personal Injury or Fire could Result Sail Switch Assembly Gas and Electric Models OnlyTo Replace Sail Switch To Adjust Sail Switch To Install New Main Door Glass To Replace Main Door Assembly To Replace Main Door Hinge Block To Replace Front Panel To Replace Tumbler Basket Pulley PulleysTo Replace Small Idler Pulley To Replace Motor Pulley To Replace Large Idler Pulley Tumbler Basket Alignment Vertical Up and Down Adjustment Tumbler Basket Assembly To Replace Tumbler Basket or Tumbler Basket Support Tumbler Basket Alignment Lateral Side to Side Adjustment To Replace Front Tumbler Basket Support Pillow Block Bearing To Replace Rear Idler Shaft Pillow Block Bearing To Replace Front Idler Shaft Pillow Block Bearing To Replace V-Belts Belt Tension Adjustment Tumbler Basket to IdlerBelt Tension Adjustment Motor to Idler Belts To Replace Drive Motor MotorsTo Replace Impellor Motor Fan Shaft Drive To Replace Lint Drawer Switch Lint Drawer Assembly To Replace Lint ScreenImpellor No display on computer TroubleshootingComputer will not accept keyboard touchpad entries Dryer operates but is taking too long to dry Dryer will not start, but computer display indicators are on Thermal overload for drive motor is tripping Burner hi-limit safety thermostat is trippingOverload for impellor fan motor is tripping There is excessive vibration coming from the tumbler basket Diagnostic L.E.D. light emitting diode Display Failure Codes Phase 6 OPL System DiagnosticsPage E.D. Display Indicator Number E.D. light emitting diode Display Indicators E.D. Display Indicator Number AIR AIR JET Output L.E.D. Indicator Optional FAN Blower Output L.E.D. IndicatorHT1 Heat Output L.E.D. Indicator Lint Lint Door Input L.E.D. Indicator Fuse Main Fuse Input L.E.D. IndicatorMain Main Door Input L.E.D. Indicator Power Supply Input L.E.D. Indicator Flame bURNER Control Fail Input L.E.D. Indicator ALL REV E.D. Codes 1. Display Codes GAS/ELECTRIC only BURNER/OVEN Open HI-LIMIT Circuit GAS Models only Power 24 VAC is not Evident AT GAS ValveGAS only Ignition Attempt Failure Computer Logic and Wiring Diagram Page Drive motor reverses but does not forward, blower motor runs No Display Condition Lint Door Condition Blower motor does not operate, drive motor runs Microprocessor Computer Main Door Condition For Phase 6 Models Manual Reset HI-LIMIT Instructions Motor Plate High and LOW Voltage Technical Information Information on the Data Label Data Label HOW to USE a Manometer Tool List ADC450428 1- 02/22/00-25