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 |
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| mode using |
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| See Diagnostic | |||
dryers are plugged |
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| service switch. Is |
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| code Trouble | |||
into live power |
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| diagnostic code |
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| Shooting Guide. | |||
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source. |
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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 |
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| Initiate a service |
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| If problem persist, |
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| persists, initiate |
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| replace control | ||
both dryers. |
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| cycle. |
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| reset sequence. |
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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.
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| Check wiring and |
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Does door switch |
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open and close |
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properly? |
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| switch and control |
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Replace door |
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switch. |
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| replace control board. | ||||||
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©2004 Maytag Appliances Company | 16022904 Rev. 0 | 29 |