ADC 450428 FAN Blower Output L.E.D. Indicator, AIR AIR JET Output L.E.D. Indicator Optional

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1.“FAN” (BLOWER) Output L.E.D. Indicator

a.If the dryer is started and the blower motor is not operating, yet the Phase 6 OPL microprocessor controller (computer) display fan indicator dot and power supply input L.E.D. are on, but the fan output L.E.D. is off, then the fault is the Phase 6 OPL microprocessor controller (computer) itself.

1)If the motor is not operating. The fan indicator dot and output L.E.D. are also on, then the problem (fault) is elsewhere (i.e., external of the Phase 6 OPL microprocessor controller [computer]).

2.“FOR” (FORWARD) Output L.E.D. Indicator (for Optional Reversing Model ONLY)

a.If the dryer is started and the blower motor is operating, but the drive (tumbler/basket) motor is not, yet the Phase 6 OPL microprocessor controller (computer) display “FORWARD” indicator dot is on, the “FOR” (FORWARD) motor output L.E.D. is off; then the fault is the Phase 6 OPL microprocessor controller (computer) itself.

1)If the drive (tumbler and basket) motor is not operating and the forward indicator dot and output L.E.D. is on; then the problem (fault) is elsewhere (i.e., external of the Phase 6 OPL microprocessor controller [computer]).

3.“REV” (REVERSE) Output L.E.D. Indicator (for Optional Reversing Models ONLY)

a.If the dryer is started and the blower motor is operating but the drive (tumbler and basket) motor is not, yet the Phase 6 OPL microprocessor controller (computer) displays “REVERSE” indicator dot is on but the “REV” (REVERSE) motor output L.E.D. is off; then the fault is of the Phase 6 OPL microprocessor controller (computer) itself.

1)If the drive (tumbler and basket) motor is not operating and reverse indicator dot and output L.E.D. is on; then the problem (fault) is elsewhere (i.e., external of the Phase 6 OPL microprocessor controller [computer]).

4.“AIR” (AIR JET) Output L.E.D. Indicator - OPTIONAL

a.“AIR” is on with the display dot at the end of the dry cycle once the display reads “dONE,” it is on for approximately 60 seconds and the output L.E.D. indicator and the display dot go out. If the air jet does not energize it is not the fault of the Phase 6 OPL microprocessor controller (computer). If the output L.E.D. or dot DO NOT go on it is the fault of the Phase 6 OPL microprocessor controller (computer).

5.“HT1” (HEAT) Output L.E.D. Indicator

a.If the dryer is started and there is “No Heat” yet the Phase 6 OPL microprocessor controller (computer) display heat circuit indicator dot is on, but the “HT1” output L.E.D. indicator is off; then the fault is in the Phase 6 OPL microprocessor controller (computer) itself.

1)If the dryer is started and there is “No Heat” yet both the Phase 6 OPL microprocessor controller (computer) display indicator dots and the “HT1” output L.E.D. indicator are on; then the problem (fault) is elsewhere (i.e., external of the Phase 6 OPL microprocessor controller [computer]).

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Contents American Dryer Corporation ML-130Retain This Manual In a Safe Place For Future Reference For Your Safety Page Table of Content Phase 6 OPL System Diagnostics Important Information Safety PrecautionsStandards MATERIALS, GASOLINE, and Their Flammable Vapors Routine MaintenanceCleaning Lubrication AdjustmentsElectrical and GAS Requirements Installation RequirementsENCLOSURE, AIR SUPPLY, and Exhaust Requirements Operational Service Check Procedure Page HSI HOT Surface Ignition Module Gas Models Only Description of PartsControl BOX Drive MotorBlower Motor and Impellor GAS Burner AssemblyIdler Assembly Tumbler Basket Main Door SwitchTumbler Basket Bearing and Pulley Arrangement HI-LIMIT Gas and Electric Models Only Sail Switch Gas and Electric Models OnlyManual Reset Thermostat Steam Damper System Lint Drawer SwitchLint Drawer To Replace Computer Control Panel ServicingIntroduction Computer ControlsTo Replace Computer To Replace Keyboard Touchpad Label AssemblyTo Replace Microprocessor Temperature Sensor Probe To Remove Hot Surface Ignitor refer to illustration above Ignition ControlsHSI Ignitor Flame Sensor Probe To Remove Flame Sensor ProbeTo Replace Main Burner Orifices To Test and Adjust Gas Water Column PressureTo Convert from Natural Gas to L.P. Gas Thermostats To Replace Burner TubesTo Replace HSI Hot Surface Ignition Module Page Personal Injury or Fire could Result Sail Switch Assembly Gas and Electric Models OnlyTo Replace Sail Switch To Adjust Sail SwitchTo Install New Main Door Glass To Replace Main Door AssemblyTo Replace Main Door Hinge Block To Replace Front PanelTo Replace Small Idler Pulley PulleysTo Replace Tumbler Basket Pulley To Replace Motor Pulley To Replace Large Idler PulleyTumbler Basket Alignment Vertical Up and Down Adjustment Tumbler Basket AssemblyTo Replace Tumbler Basket or Tumbler Basket Support Tumbler Basket Alignment Lateral Side to Side AdjustmentTo Replace Front Tumbler Basket Support Pillow Block Bearing To Replace Rear Idler Shaft Pillow Block Bearing To Replace Front Idler Shaft Pillow Block BearingTo Replace V-Belts Belt Tension Adjustment Tumbler Basket to IdlerBelt Tension Adjustment Motor to Idler BeltsTo Replace Impellor Motor Fan Shaft Drive MotorsTo Replace Drive Motor Impellor Lint Drawer Assembly To Replace Lint ScreenTo Replace Lint Drawer Switch Computer will not accept keyboard touchpad entries TroubleshootingNo display on computer Dryer operates but is taking too long to dry Dryer will not start, but computer display indicators are onOverload for impellor fan motor is tripping Burner hi-limit safety thermostat is trippingThermal overload for drive 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 IndicatorsE.D. Display Indicator Number HT1 Heat Output L.E.D. Indicator FAN Blower Output L.E.D. IndicatorAIR AIR JET Output L.E.D. Indicator Optional Main Main Door Input L.E.D. Indicator Fuse Main Fuse Input L.E.D. IndicatorLint Lint Door Input L.E.D. Indicator Power Supply Input L.E.D. Indicator Flame bURNER Control Fail Input L.E.D. IndicatorALL REV E.D. Codes 1. Display CodesGAS only Ignition Attempt Failure GAS Models only Power 24 VAC is not Evident AT GAS ValveGAS/ELECTRIC only BURNER/OVEN Open HI-LIMIT Circuit Computer Logic and Wiring Diagram Page Drive motor reverses but does not forward, blower motor runs No Display ConditionLint Door Condition Blower motor does not operate, drive motor runsMicroprocessor Computer Main Door ConditionFor Phase 6 Models Manual Reset HI-LIMIT InstructionsMotor Plate High and LOW Voltage Technical InformationInformation on the Data Label Data LabelHOW to USE a Manometer Tool List ADC450428 1- 02/22/00-25