American Dryer AD-120ES manual Dryer operates but is taking too long to dry

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

1.Exhaust duct work run too long or is undersized...back pressure cannot exceed .3 inches Water Column (W.C.).

2.Restriction in exhaust ...

a.Exhaust back draft damper is sticking partially closed.

b.Restriction in duct work...check duct work from dryer all the way to the outdoors.

3.Low and/or inconsistent gas pressure (for GAS MODELS ONLY).

4.Insufficient make-up air.

5.Poor air / gas mixture at burner...yellow or poor flame pattern; adjust gas burner air adjustment shutters (for GAS MODELS ONLY).

6.Lint screen not being cleaned on a regular basis or often enough.

7.Extractors (washers) not performing properly.

8.Sail switch is fluttering...restriction in exhaust (for GAS MODELS ONLY).

9.Failed microprocessor controller (computer)...temperature calibration is inaccurate.

10.Failed microprocessor temperature sensor calibration is inaccurate.

11.Failed burner hi-limit (for GAS MODELS ONLY).

12.Failed lint chamber hi-heat protector thermostat.

13.Steam damper system not functioning properly (for STEAM MODELS ONLY).

a.Steam damper sticking closed.

b.Leak in the pneumatic system.

c.Flow control incorrectly set.

T.Condensation on main door glass ...

1.Too long, undersized, or improperly installed duct work.

2.Dryer connected to common exhaust duct with another dryer and no back draft damper was installed in customer furnished duct work.

3.Back draft damper is sticking in partially closed position.

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Contents AD-120ES Retain This Manual In a Safe Place For Future Reference For Your Safety Page Table of Contents Section Important InformationSafety Precautions What to do if YOU Smell GASStandards Specifications / Component Identification SpecificationsADG-120ES ADE-120ES ADS-120ES Component Identification Dryer Front ViewDryer Rear View Installation Procedures Location RequirementsUNPACKING/SETTING UP Leveling Dryer Dryer Enclosure Requirements Fresh AIR Supply Exhaust Requirements General Exhaust Duct Work InformationPage Single Dryer Venting Multiple Dryer Common Venting Page ADG-120ES for GAS Models ADE-120ES for 80 KW Electric Models Page Electrical Information Electrical Service Specifications PER Dryer ADG-120ES Reversing, 3ø GAS ADS-120ES Reversing, 3ø SteamADE-120ES 72 Kw Electric Reversing, 3ø ADE-120ES 80 Kw Electric Reversing, 3ø Page Page GAS Information Gas SupplyType of Gas Page Page Steam Requirements , High Pressure Installation InstructionsSteam Coil PH Level Steam Damper System Steam Damper AIR System Connections Steam Damper System OperationSteam Damper AIR Piston Flow Control Operation Adjustment Preparation for Operation Preoperational Tests Natural GASPage Page Operating Instructions Shut Down Instructions Parts SERVICE/PARTS InformationService Warranty Information Returning Warranty CardsWarranty Returning Warranty PartsPage Routine Maintenance CleaningDays Adjustments LubricationDrive motor not operating does not start TroubleshootingNo L.E.D. display microprocessor computer models only Blower motor not operating does not start Microprocessor computer display reads dSFL Microprocessor controller computer display reads doorPage No heat for Steam Models only No heat for Electric Models onlyDryer operates but is taking too long to dry Condensation on main door glassDryer or scraping noise at basket tumbler area Excessive noise and/or vibrationBlower impellor/fan motor only not operating does not start Failed reversing timer for Reversing Models onlyDrive motor only not operating does not start Heat unit not operating for only one 1 temperature selection Dryer operates but is taking too long to dry loadSail switch is fluttering for GAS and Electric Models only Failed hi-limit thermostat for GAS and Electric Models onlyDryer scraping noise at basket tumbler area Reversing Timer SPIN/DWELL Adjustments Timing LegendProcedure for Functional Check Replacement Components Microprocessor computer BoardDirect Spark Ignition DSI System