American Dryer Corp MD-170 manual Failed keyboard touchpad label assembly

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K.Microprocessor controller (computer) display reads "door" and microprocessor controller (computer) "door" L.E.D. indicator is off...

1.Fault (open circuit) in main door/lint drawer switch circuit ...

a.Lint drawer is not closed ALL the way.

b.Lint drawer switch out of proper adjustment.

c.Failed lint drawer switch.

d.Failed main door switch.

e.Broken connection/wire in main door or lint drawer circuit.

2.Failed 24 VAC step down transformer or fault in wiring.

L.Microprocessor controller (computer) L.E.D. (light emitting diode) display reads "door" and microprocessor controller (computer) "door" L.E.D. indicator is on...

1.Failed microprocessor controller (computer).

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

1.Failed keyboard (touchpad) label assembly.

2.Failed microprocessor controller (computer).

N.Microprocessor controller (computer) will only accept certain keyboard (touchpad) entries...

1.Failed keyboard (touchpad) label assembly.

O.Microprocessor controller (computer) locks up and L.E.D. (light emitting diode) 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 (touchpad) label assembly.

P.Dryer stops during a cycle, microprocessor controller (computer) buzzer (tone) sounds for 5-seconds, L.E.D. (light emitting diode) display reads "dSFL," for approximately 30-seconds, and then returns to "FILL"...

1.Loose connection somewhere between the microprocessor controller (computer) and the microprocessor temperature sensor.

2.Loose "dSFL" 1/8-amp fuse on the microprocessor controller (computer).

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Contents MD-170 Installation/Operators Manual Maytag CoRetain This Manual In a Safe Place For Future Reference For Your Safety Page Table of Contents Section Procedure for Functional Check of Replacement Section Important InformationSafety Precautions What to do if YOU Smell GASGAS Supply or the Steam Supply Before ANY Covers or Specifications / Component Identification Specifications GAS and SteamSpecifications MDG-170 Gas MDS-170 Steam Component Identification Page Installation Procedures Location RequirementsUNPACKING/SETTING UP Round duct can now be connected to the dryer Dryer Enclosure Requirements Fresh AIR Supply Exhaust Requirements Create a Potential Fire HazardPage Page Page Page Page Electrical Information MDG-170 Gas MDS-170 Steam Page Page GAS Information Type of GAS Latest Edition Page Steam Information Steam Requirements High PressureSteam Damper System Diagram 621 kPaPage Switch Otherwise the Dryer will not Start Preparation for OPERATION/START-UPPreoperational Tests Natural Gas Inches W.C .5 millibars Shut Down Instructions Basket CoatingCompressed AIR Requirements 621 kPaParts SERVICE/PARTS InformationService Warranty Information Returning Warranty CardsClean the lint drawer or screen every third or fourth load Routine MaintenanceCleaning Createa Potentialfire Hazard Adjustments Lubrication Troubleshooting Drive motor is not operating does not startBlower impellor/fan motor is not operating does not start Failed blower impellor/fan drive shaft bearingsFailed microprocessor controller computer Failed keyboard touchpad label assembly GAS Models Steam Models Dryer operates but is taking too long to dry Gas Models Condensation on main door glass Dryer or scraping noise at tumbler basket area AA. Excessive noise and/or vibrationFailed drive motor contactor relay Failed motor Failed blower impellor/fan drive shaft bearings Steam Models Gas Models Steam Models Condensation on main door glass Excessive noise and/or vibration Reversing Timer SPIN/DWELLADJUSTMENTS Timing LegendData Label Location / Information Data Label GAS Manifold Pressure for GAS DryersProcedure for Functional Check Replacement Components Microprocessor computer BoardModels manufactured with ADC module Part No Theory Of Operation P O R T a N T ADC P/N114501 02/16/00-25 2- 02/25/00-250