Maytag MDG-75 installation manual Failed microprocessor controller computer

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

a.Motor air vents clogged with lint.

b.Low voltage to motor.

c.Failed motor.

d.Failed blower (impellor and fan)...is out of balance.

G.Both drive motor and blower (impellor and fan) motor (Reversing Models ONLY)are not operating (does not start)...microprocessor controller (computer) motor indicator dots and relay output light emitting diode (L.E.D.) indicators are on...

1.Failed arc suppressor (A.S.) board.

2.Failed contactors (both blower [impellor and fan] and drive).

3.Failed motors (both blower [impellor and fan] motor and drive motor).

H.Both drive motor and blower (impellor and fan) motor (Reversing Models ONLY)are not operating (does not start)...microprocessor controller (computer) L.E.D. motor indicator dots and the “door” L.E.D. indicator are on but the relay output L.E.D. indicators are off (microprocessor controller [computer] L.E.D. display does not read “door”)...

1.Failed microprocessor controller (computer).

I.Both drive motor and blower (impellor and fan) motor run a few minutes and stop...microprocessor (computer) L.E.D. display continue to read time or percent of extraction and ALL indicator dots are off...

1.Fault in main door switch circuit...

a.Main door switch circuit is out of adjustment.

b.Loose connection in main door switch circuit.

J.Microprocessor controller (computer) L.E.D. display reads “dSFL” continuously and the buzzer (tone) sounds every 30-seconds...

1.Fault in microprocessor heat sensing circuit...

a.Blown “dSFL” 1/8-amp fuse on the microprocessor controller (computer).

b.Failed microprocessor temperature sensor.

c.Failed microprocessor controller (computer).

d.Broken wire or connection somewhere between the microprocessor controller (computer) and the microprocessor temperature sensor.

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Contents MDG-75 Retain This Manual In a Safe Place For Future Reference For Your Safety Page Table of Contents Section Routine Maintenance Section Important InformationSafety Precautions What to do if YOU Smell GASPage SPECIFICATIONS/COMPONENT Identification SpecificationsSpecifications Component Identification Page Installation Procedures Location RequirementsUNPACKING/SETTING UP Dryer Enclosure Requirements Fresh AIR Supply Requirements Exhaust Requirements Horizontal VentingSingle Dryer Venting Page Page Page Electrical Information Electrical RequirementsMDG-75 Gas Page Single-Phase 1Ø Electrical Connections Leads Page Page GAS Information Type of GAS Page Page Preparation for OPERATION/START-UP Preoperational Tests Basket Coating Preoperational Instructions Shut Down Instructions Parts SERVICE/PARTS InformationService Warranty Information Returning Warranty CardsRoutine Maintenance CleaningAdjustments LubricationProcedure for Functional Check Replacement Components Page Page Reversing Timer SPIN/DWELL Adjustments Timing LegendData Label Information Data LabelSerial Number Troubleshooting Microprocessor Controller Computer ModelsBlower and fan motors are not operating does not start Failed microprocessor controller computer Failed keyboard touch pad label assembly Microprocessor controller computer L.E.D. display reads Sefl Dryer operates but is taking too long to dry GAS Models AA. Condensation on main door glass Timer Models Blower/fan motors are not operating does not start GAS Models Dryer operates but is taking too long to dry Condensation on main door glass Page Manual Reset HI-LIMIT Instructions P O RTA N T