ADC 450428 service manual Phase 6 OPL System Diagnostics

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SECTION V
SERVICING		15
A. Computer Controls		15
B.	Ignition Controls	17
C. Thermostats		21
D. Sail SwitchAssembly (Gas and Electric Models Only)		23
E. Front Panel and Main DoorAssemblies		23
F.	Pulleys	26
G.	Tumbler (Basket)Assembly	28
H. Bearings		30
I.	V-Belts	32
J.	Motors	33
K. Impellor		34
L.	Lint DrawerAssembly	34
SECTION VI
TROUBLESHOOTING		35
SECTION VII
PHASE 6 OPL SYSTEM DIAGNOSTICS		39
A. Diagnostic (L.E.D. [light emitting diode] Display) Failure Codes		39
B. L.E.D. (light emitting diode) Display Indicators		41
C. Phase 6 OPL Microprocessor Controller (Computer) Relay Output L.E.D. (light emitting diode)
	Indicators	42
D. L.E.D. Codes		46
E. Computer Logic and Wiring Diagram		48
SECTION VIII
TECHNICAL INFORMATION		54
A. Motor Plate (High and Low Voltage)		54
B. Data Label		55
C. How to Use a Manometer		56
D. Tool List		57

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Contents ML-130 American Dryer CorporationRetain This Manual In a Safe Place For Future Reference For Your Safety Page Table of Content Phase 6 OPL System Diagnostics Safety Precautions Important InformationStandards Routine Maintenance CleaningMATERIALS, GASOLINE, and Their Flammable Vapors Adjustments LubricationInstallation Requirements ENCLOSURE, AIR SUPPLY, and Exhaust RequirementsElectrical and GAS Requirements Operational Service Check Procedure Page Drive Motor Description of PartsControl BOX HSI HOT Surface Ignition Module Gas Models OnlyGAS Burner Assembly Idler AssemblyBlower Motor and Impellor Main Door Switch Tumbler Basket Bearing and Pulley ArrangementTumbler Basket Sail Switch Gas and Electric Models Only Manual Reset ThermostatHI-LIMIT Gas and Electric Models Only Lint Drawer Switch Lint DrawerSteam Damper System Computer Controls ServicingIntroduction To Replace Computer Control PanelTo Replace Keyboard Touchpad Label Assembly To Replace Microprocessor Temperature Sensor ProbeTo Replace Computer Ignition Controls To Remove Hot Surface Ignitor refer to illustration aboveTo Remove Flame Sensor Probe HSI Ignitor Flame Sensor ProbeTo Test and Adjust Gas Water Column Pressure To Replace Main Burner OrificesTo Convert from Natural Gas to L.P. Gas To Replace Burner Tubes To Replace HSI Hot Surface Ignition ModuleThermostats Page To Adjust Sail Switch Sail Switch Assembly Gas and Electric Models OnlyTo Replace Sail Switch Personal Injury or Fire could ResultTo Replace Main Door Assembly To Install New Main Door GlassTo Replace Front Panel To Replace Main Door Hinge BlockPulleys To Replace Tumbler Basket PulleyTo Replace Small Idler Pulley To Replace Large Idler Pulley To Replace Motor PulleyTumbler Basket Assembly Tumbler Basket Alignment Vertical Up and Down AdjustmentTumbler Basket Alignment Lateral Side to Side Adjustment To Replace Tumbler Basket or Tumbler Basket SupportTo Replace Front Tumbler Basket Support Pillow Block Bearing To Replace Front Idler Shaft Pillow Block Bearing To Replace Rear Idler Shaft Pillow Block BearingBelts Belt Tension Adjustment Tumbler Basket to IdlerBelt Tension Adjustment Motor to Idler To Replace V-BeltsMotors To Replace Drive MotorTo Replace Impellor Motor Fan Shaft Drive Lint Drawer Assembly To Replace Lint Screen To Replace Lint Drawer SwitchImpellor Troubleshooting No display on computerComputer will not accept keyboard touchpad entries Dryer will not start, but computer display indicators are on Dryer operates but is taking too long to dryBurner hi-limit safety thermostat is tripping Thermal overload for drive motor is trippingOverload for impellor fan motor is tripping There is excessive vibration coming from the tumbler basket Phase 6 OPL System Diagnostics Diagnostic L.E.D. light emitting diode Display Failure CodesPage E.D. light emitting diode Display Indicators E.D. Display Indicator NumberE.D. Display Indicator Number FAN Blower Output L.E.D. Indicator AIR AIR JET Output L.E.D. Indicator OptionalHT1 Heat Output L.E.D. Indicator Fuse Main Fuse Input L.E.D. Indicator Lint Lint Door Input L.E.D. IndicatorMain Main Door Input L.E.D. Indicator Flame bURNER Control Fail Input L.E.D. Indicator Power Supply Input L.E.D. IndicatorE.D. Codes 1. Display Codes ALL REVGAS Models only Power 24 VAC is not Evident AT GAS Valve GAS/ELECTRIC only BURNER/OVEN Open HI-LIMIT CircuitGAS only Ignition Attempt Failure Computer Logic and Wiring Diagram Page No Display Condition Drive motor reverses but does not forward, blower motor runsBlower motor does not operate, drive motor runs Lint Door ConditionMain Door Condition Microprocessor ComputerManual Reset HI-LIMIT Instructions For Phase 6 ModelsTechnical Information Motor Plate High and LOW VoltageData Label Information on the Data LabelHOW to USE a Manometer Tool List ADC450428 1- 02/22/00-25