American Dryer Corp MDG75V installation manual GAS Models only

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L.Microprocessor controller (computer) will only accept certain keyboard (touch pad) entries...

1.Failed keyboard (touch pad) label assembly.

2.Failed microprocessor controller (computer).

M.Microprocessor controller (computer) locks up and light emitting diode (L.E.D.) display reads erroneous message(s) or only partial segments...

1.Transient power voltage (spikes)...disconnect power to dryer, wait 1 minute, and reestablish power to dryer. If problem is still evident...

a.Failed keyboard (touch pad) label assembly.

b.Failed microprocessor controller (computer).

N.Dryer stops during a cycle and L.E.D. display returns to “FILL”...

1.Fault in microprocessor heat sensor circuit...

a.Loose connection in wires between temperature sensor and microprocessor controller (computer).

2.Loose connection somewhere in main power circuit to microprocessor controller (computer).

O.No heat (for gas models only)...ignitor sparks, burner goes on and off right away...

1.Direct Spark Ignition (DSI) ignitor/flame-probe is out of adjustment...reposition closer to the flame area.

2.Sail switch is fluttering...

a.Lint screen is dirty.

b.Restriction in exhaust ductwork.

3.Insufficient make-up air.

4.Failed ignitor/flame-probe assembly.

5.Failed DSI module.

6.Failed gas valve.

P.Heating unit is not operating (no heat) and heat indicator dot is on...

GAS MODELS ONLY

1.Fault in sail switch circuit...

a. Sail switch is out of adjustment or has failed.

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Contents MDG75V Retain 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 Receiving and HandlingSafety Precautions What to do if YOU Smell GASPage Specifications SpecificationsMDG75V Component Identification Page Installation Procedures Location RequirementsUNPACKING/SETTING UP Dryer Enclosure Requirements Fresh AIR Supply Requirements Exhaust Requirements General Exhaust Ductwork InformationPage Page Multiple common Dryer Venting Importantventingreminders Electrical Information Electrical RequirementsMust be Provided SINGLE-PHASE 1Ø Electrical Connections Leads Important a Circuit Servicing Each Dryer Must be Provided Page MDG75V GAS GAS Information Type of GAS Page Page Preparation for OPERATION/START-UP Preoperational Tests GAS Models onlyBasket Tumbler Coating Preoperational Instructions Shutdown InstructionsParts SERVICE/PARTS InformationService Suggested Cleaning Schedule Routine MaintenanceCleaning Adjustments LubricationLint Drawer Removal Troubleshooting Microprocessor Controller Computer ModelsBlower motor is not operating does not start Microprocessor controller computer display reads dSFL GAS Models only Dryer operates but is taking too long to dry Dryer is making scraping noise at basket tumbler area Data Label Information Data LabelSerial Number Procedure for Functional Check Replacement Components SectionviiiPage 113160 1 11/27/02-25