American Dryer Corp MD-170 manual Dryer operates but is taking too long to dry

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c.Ignitor does not spark and Direct Spark Ignition (DSI) module "LOCKS-OUT" ("red" L.E.D. [light emitting diode] indicator light stays on) ...

1)Fault in high voltage (HV) wire...

a)Break in wire.

b)Loose connection.

c)Failed ignitor probe assembly.

d)Failed Direct Spark Ignition (DSI) module.

STEAM MODELS

1.No (external) compressed air (80 PSI [552 kPa] required) to steam damper solenoid.

2.Flow control valve is not adjusted correctly ...

a.Too much restriction.

3.Failed steam damper pneumatic (air) solenoid.

4.Damper stuck in "closed" position...

a.Check for obstruction.

5.Leak in the pneumatic (air) system.

6.Failed air piston.

W. Dryer operates but is taking too long to dry...

1.Exhaust duct work run too long or is undersized...back pressure cannot exceed 0.3 inches water column (0.74 millibars).

2.Restriction in exhaust ...

a.Customer-furnished exhaust back draft damper is sticking partially closed.

b.Restriction in duct work ...

1)Check duct work from dryer ALL the way to the outdoors.

3.Insufficient make-up air.

4.Impellor (blower/fan) "squirrel cage" is rotating in the wrong direction.

5.Lint drawer screen is dirty or is not being cleaned often enough.

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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 RequirementsParts SERVICE/PARTS InformationService Returning Warranty Cards Warranty InformationClean the lint drawer or screen every third or fourth load Routine MaintenanceCleaning 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