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AMANA dryer runs continuously on automatic cycles
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Model: YNED7200TW Brand: Amana Age: 1 - 5 years
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crussev  
#1 Posted : Thursday, July 17, 2014 5:23:43 AM(UTC)
crussev

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My dryer works fine on timed cycles but won't stop running on automatic cycles.
Moisture sensors are fine and I've cleaned the vent. I have replaced the thermostat that was not working properly.
What else can I do?
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denman  
#2 Posted : Thursday, July 17, 2014 6:24:26 AM(UTC)
denman

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Here are your parts
Parts for Amana YNED7200TW0 / - AppliancePartsPros.com

See the attachment for a tech sheet.
Note it is for a NED not a YNED unit so yours may differ some.
the Y often designates a Canadian unit.

Check the moisture sensor see Page 8.
Use a high ohms scale on your meter.
If OK then odds are that the control board is bad.

FYI: The way the moisture sensor works is:
When there is moisture between the strips there is a circuit path and the timer does not advance.
When there is no moisture, there is no circuit path (infinite resistance) and the timer advances.
File Attachment(s):
NED7200.pdf (1,696kb) downloaded 4 time(s).
THIS FORUM IS DEAD!!!!!!!
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crussev  
#3 Posted : Thursday, July 17, 2014 7:24:14 AM(UTC)
crussev

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Thanks, but moisture sensor is not the issue, this is the first part I checked.

Anything else besides the control board that I can check? (and is there a way to check the control board?)
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denman  
#4 Posted : Thursday, July 17, 2014 7:48:55 AM(UTC)
denman

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[COLOR="Blue"]Anything else besides the control board that I can check? (and is there a way to check the control board?)[/COLOR]
There is really nothing else you can check as manufacturers do not publish schematics of the boards.
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crussev  
#5 Posted : Friday, July 18, 2014 4:44:18 AM(UTC)
crussev

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Last question: after I replaced the thermostat, the dryer is overheating (which was not an issue before, when I had a bad thermostat).

Is it possible there is something wrong with the heating element, and that causes the automatic cycle to not function properly? (or maybe I did something unintentionally when I opened the dryer?)
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denman  
#6 Posted : Friday, July 18, 2014 11:11:15 AM(UTC)
denman

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Which thermostat did you replace?
OR was it the thermistor you replaced?

The high heat you now get should not effect the timer advance.
At least if I have the correct wiring diagram.

On units which use a mechanical timer a grounded element can stop timer advance in auto cycles.
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