American Dryer Corp MD-170 manual Failed drive motor contactor relay

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c.Failed lint drawer switch.

d.Failed main door switch.

e.Broken connection/wire in main door or lint drawer switch circuit.

4.Failed push to start relay.

5.Failed 24 VAC step down transformer (for models 380 volts or higher Only).

B.Drive motor is not operating (does not start)...

1.Failed drive motor contactor (relay).

2.Failed drive motor.

C.Drive motor (reversing) operates in one direction only...stops and restarts in same direction...

1.Failed reversing contactor (relay).

2.Failed reversing timer.

D.Drive motor operates okay for a few minutes, and then stops and will not restart...

1.Motor is overheating and tripping out on overload protector ...

a.Motor air vents clogged with lint.

b.Low voltage to the motor.

c.Failed motor.

d.Tumbler (basket) is binding...check for obstruction.

e.Failed idler bearings or tumbler bearings.

E.Blower (impellor/fan) motor is not operating (does not start)...

1.Failed blower (impellor/fan) motor contactor (relay).

2.Failed blower (impellor/fan) motor.

F.Blower motor operates okay for a few minutes, and then stops and will not restart...

1.Motor is overheating and tripping out on overload protector ...

a.Motor air vent is clogged with lint.

b.Low voltage to motor.

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Contents Maytag Co MD-170 Installation/Operators ManualRetain This Manual In a Safe Place For Future Reference For Your Safety Page Table of Contents Section Procedure for Functional Check of Replacement Important Information SectionWhat to do if YOU Smell GAS Safety PrecautionsGAS Supply or the Steam Supply Before ANY Covers or Specifications GAS and Steam Specifications / Component IdentificationSpecifications MDG-170 Gas MDS-170 Steam Component Identification Page Location Requirements Installation ProceduresUNPACKING/SETTING UP Round duct can now be connected to the dryer Dryer Enclosure Requirements Fresh AIR Supply Create a Potential Fire Hazard Exhaust RequirementsPage Page Page Page Page Electrical Information MDG-170 Gas MDS-170 Steam Page Page GAS Information Type of GAS Latest Edition Page Steam Requirements High Pressure Steam InformationSteam Damper System 621 kPa DiagramPage Preparation for OPERATION/START-UP Switch Otherwise the Dryer will not StartPreoperational Tests Natural Gas Inches W.C .5 millibars Basket Coating Shut Down Instructions621 kPa Compressed AIR RequirementsSERVICE/PARTS Information ServiceParts Returning Warranty Cards Warranty InformationRoutine Maintenance CleaningClean the lint drawer or screen every third or fourth load Createa Potentialfire Hazard Lubrication AdjustmentsDrive motor is not operating does not start TroubleshootingFailed blower impellor/fan drive shaft bearings Blower impellor/fan motor is not operating does not startFailed microprocessor controller computer Failed keyboard touchpad label assembly GAS Models Steam Models Dryer operates but is taking too long to dry Gas Models Condensation on main door glass AA. Excessive noise and/or vibration Dryer or scraping noise at tumbler basket areaFailed drive motor contactor relay Failed motor Failed blower impellor/fan drive shaft bearings Steam Models Gas Models Steam Models Condensation on main door glass Excessive noise and/or vibration Timing Legend Reversing Timer SPIN/DWELLADJUSTMENTSData Label Location / Information GAS Manifold Pressure for GAS Dryers Data LabelMicroprocessor computer Board Procedure for Functional Check Replacement ComponentsModels manufactured with ADC module Part No Theory Of Operation P O R T a N T ADC P/N114501 02/16/00-25 2- 02/25/00-250