American Dryer AD-120ES manual

Page 54

K.Microprocessor controller (computer) will not accept any keyboard entries, i.e., L.E.D. display reads "FILL" and when keyboard entries are selected, the L.E.D. display continues to read "FILL" ...

1.Failed keyboard label (touchpad) assembly.

2.Failed microprocessor controller (computer).

L.Microprocessor controller will only accept certain keyboard entries ...

1.Failed keyboard label (touchpad) assembly.

2.Failed microprocessor controller (computer).

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

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

a.Failed microprocessor controller (computer).

b.Failed keyboard label (touchpad) assembly.

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.Gas heating unit is not operating (no heat)...no spark at burner area when dryer is first started, and heat indicator dot is on ...

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 screen is dirty.

2)Restriction in exhaust.

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

3.Fault in lint chamber sensor bracket hi-heat protector thermostat.

4.Failed Direct Spark Ignition (DSI) module.

5.Failed DSI ignitor / flame-probe assembly.

6.Failed microprocessor controller (computer).

50

Image 54
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 Installation Instructions Steam Coil PH LevelSteam Requirements , High Pressure 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 SERVICE/PARTS Information ServiceParts Warranty Warranty InformationReturning Warranty Cards Returning Warranty PartsPage Routine Maintenance CleaningDays Adjustments LubricationTroubleshooting No L.E.D. display microprocessor computer models onlyDrive motor not operating does not start 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 vibrationFailed reversing timer for Reversing Models only Drive motor only not operating does not startBlower impellor/fan 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