American Dryer AD-120ES manual Heat unit not operating for only one 1 temperature selection

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ELECTRIC MODELS

1.Fault in sail switch circuit ...

a.Sail switch out of adjustment and/or has failed.

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

1)Check blower (impellor / fan) motor and rotation direction.

2)Restriction in exhaust.

2.Failed oven hi-limit circuit.

3.Failed lint compartment automatic (225º) safety thermostat circuit.

4.Failed oven contactor (relay).

5.Failed heat selector switch.

STEAM MODELS

1.Steam damper binding and/or stuck.

2.No (external) compressed air to the steam damper...80 PSI required.

3.Failed lint compartment automatic (225º) safety thermostat circuit.

4.Failed steam damper 24 VAC pneumatic solenoid switch.

5.Air flow control valve restricting incoming compresses air.

6.Failed heat selector switch.

7.Failed steam damper piston.

G.Heat unit not operating for only one (1) temperature selection ...

1.Failed thermostat corresponding to selection made.

2.Failed heat selector switch

H.Dryer operates but is taking too long to dry load ...

1.Heating unit cycling on hi-limit thermostat (for GAS and ELECTRIC MODELS ONLY).

2.Steam damper binding in partially open position (for STEAM MODELS ONLY).

3.Lint and/or dust accumulation on steam coil fins (for STEAM MODELS ONLY).

4.Housekeeping ...

a. Lint screen and lint compartment not being cleaned on a regular basis.

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Contents AD-120ES Retain This Manual In a Safe Place For Future Reference For Your Safety Page Table of Contents Important Information SectionWhat to do if YOU Smell GAS Safety PrecautionsStandards Specifications Specifications / Component IdentificationADG-120ES ADE-120ES ADS-120ES Dryer Front View Component IdentificationDryer Rear View Location Requirements Installation ProceduresUNPACKING/SETTING UP Leveling Dryer Dryer Enclosure Requirements Fresh AIR Supply General Exhaust Duct Work Information Exhaust RequirementsPage Single Dryer Venting Multiple Dryer Common Venting Page ADG-120ES for GAS Models ADE-120ES for 80 KW Electric Models Page Electrical Information ADG-120ES Reversing, 3ø GAS ADS-120ES Reversing, 3ø Steam Electrical Service Specifications PER DryerADE-120ES 72 Kw Electric Reversing, 3ø ADE-120ES 80 Kw Electric Reversing, 3ø Page Page Gas Supply GAS InformationType of Gas Page Page Steam Requirements , High Pressure Installation InstructionsSteam Coil PH Level Steam Damper System Steam Damper System Operation Steam Damper AIR System ConnectionsSteam Damper AIR Piston Flow Control Operation Adjustment Preparation for Operation Natural GAS Preoperational TestsPage Page Operating Instructions Shut Down Instructions Parts SERVICE/PARTS InformationService Returning Warranty Parts Warranty InformationReturning Warranty Cards WarrantyPage Cleaning Routine MaintenanceDays Lubrication AdjustmentsDrive motor not operating does not start TroubleshootingNo L.E.D. display microprocessor computer models only Blower motor not operating does not start Microprocessor controller computer display reads door Microprocessor computer display reads dSFLPage No heat for Electric Models only No heat for Steam Models onlyCondensation on main door glass Dryer operates but is taking too long to dryExcessive noise and/or vibration Dryer or scraping noise at basket tumbler areaBlower impellor/fan motor only not operating does not start Failed reversing timer for Reversing Models onlyDrive motor only not operating does not start Dryer operates but is taking too long to dry load Heat unit not operating for only one 1 temperature selectionFailed hi-limit thermostat for GAS and Electric Models only Sail switch is fluttering for GAS and Electric Models onlyDryer scraping noise at basket tumbler area Timing Legend Reversing Timer SPIN/DWELL AdjustmentsMicroprocessor computer Board Procedure for Functional Check Replacement ComponentsDirect Spark Ignition DSI System