Troubleshooting Procedures

!W ARNING

To avoid risk of electrical shock, personal injury or death, disconnect power to unit before servicing, unless testing requires power.

Stack Dryer Troubleshooting Guide

Display Is

Blank

Make sure both

 

 

 

 

Enter operator

 

 

 

 

 

 

 

 

 

mode using

 

 

 

 

See Diagnostic

dryers are plugged

 

 

 

 

 

 

 

 

 

 

 

 

service switch. Is

 

Yes

 

 

code Trouble

into live power

 

 

 

 

 

 

 

 

 

 

 

diagnostic code

 

 

 

 

Shooting Guide.

 

 

 

 

 

 

 

 

source.

 

 

 

 

 

 

 

 

 

 

 

 

displayed?

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

No

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Unplug dryers. Check wiring

and terminations between transformer, service switch and control board.

Initiate reset sequence. If

problem persists Yes replace control

board.

Plug in dryer. Does 115VAC appear across the primary of the transformer?

Yes

Does each of 6.7 VAC,

22.6VAC and 20.7 VAC appear across

transformer secondary?

No

No

Check wiring to

transformer, power

at outlet and

breaker.

Replace the transformer. Inspect control board for burned components and replace it if damaged.

Abnormal

Display Or

Function

Upper or

Cycle power to

 

 

Initiate a service

 

 

If problem

 

 

If problem persist,

 

 

 

 

persists, initiate

 

 

replace control

both dryers.

 

 

cycle.

 

 

 

 

 

 

 

 

reset sequence.

 

 

board.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Lower Dryer

Has Zero

Minutes

Remaining

In Display.

Open

corresponding dryer door. Did display change?

Yes

The dryer door must be opened after the end of a cycle. This is a safety check on the door switch.

No

Unplug both dryers and

open doors. Check continuity of problem door switch and replace it if shorted.

 

 

 

 

 

 

 

 

Check wiring and

 

Does door switch

 

 

 

 

termination

 

open and close

 

Yes

 

 

between door

 

 

 

 

 

properly?

 

 

 

 

switch and control

 

 

 

 

 

 

 

 

 

board.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

No

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Replace door

 

 

 

 

If problem persist,

switch.

 

 

 

replace control board.

 

 

 

 

 

 

 

 

 

 

 

©2004 Maytag Appliances Company

16022904 Rev. 0

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Maytag MLE/MLG23PDF manual Stack Dryer Troubleshooting Guide, Display Is Blank, Abnormal Display Or Function Upper or