American Dryer Corp MLG31PCA If the dryer is equipped with optional battery back-up

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2.Failed keyboard (touch pad) label assembly.

3.Improper grounding of the dryer or the Dual Microprocessor Controller (DMC) computer ground connections to the panel or the dryer are not proper.

4.Failed DMC computer.

N.Dryer stops during a cycle and the DMC computer light emitting diode (L.E.D.) display returns to “FILL”...

If the dryer is equipped with optional battery back-up ...

1.Refer to Item M1, Item M3, or Item M4 on page 40 and page 41. If the dryer is not equipped with optional battery back-up ...

1.Loose connection somewhere in the power source to the dryer.

2.Loose connection in main power circuit to the DMC computer.

3.Improper grounding of the dryer or the DMC computer ground connections to the panel or the dryer are not proper.

4.Failed DMC computer.

O.Heating unit is not operating (no heat) ... both DMC computer heat indicator dot and “HEAT” indicator are on ... but no spark at burner area when the dryer is first started...

1.Failed DMC computer.

P.Gas heating unit is not operating (no heat) ... both DMC computer heat indicator dot and “HEAT” indicator are on ... but no spark at burner area when the dryer is first started...

1.Fault in sail switch circuit ...

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

b.Sail switch damper is not closing or is fluttering ...

1)Lint drawer/screen is dirty or clogged.

2)Restriction in exhaust ductwork.

2.Fault in burner hi-limit circuit or thermostat.

3.Fault in basket (tumbler) hi-limit circuit or thermostat.

4.Failed Direct Spark Ignition (DSI) module (burner control).

5.Failed DSI ignitor and/or flame-probe assembly.

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Contents MLG31PCA Retain This Manual In a Safe Place For Future Reference For Your Safety Page Table of Contents Section Procedure for Functional Check of Replacement Receiving and Handling Important InformationWhat to do if YOU Smell GAS Safety PrecautionsPage 71-1/2 SpecificationsGas Installation Procedures UNPACKING/SETTING UPLocation of the Dryer Page Dryer Enclosure Requirements Fresh AIR Supply Requirements Exhaust Requirements Page Page Page Page Page Page Electrical Requirements Electrical InformationLG31PCA GAS Information Type of GAS Typical GAS Connections Page Page Preoperational Tests Preparation for OperationPage Basket Tumbler Coating Shut Down Instructions Starting the Dryer Operating InstructionsPage Page SERVICE/PARTS Information ServiceParts Warranty Information Returning Warranty CardsWarranty Routine Maintenance CleaningSuggested Cleaning Schedule Lubrication AdjustmentsSectionviii TroubleshootingFailed motor contactor/relay DMC computer L.E.D. display reads dSFL Failed keyboard touch pad label assembly Failed DMC computer If the dryer is equipped with optional battery back-up Dryer operates, but is taking too long to dry Condensation on main door glass Procedure for Functional Check Replacement Components Page Optional Gas Piping Kit Part No 1 02/11/02-20 05/01/02-250