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Old 03-16-2012, 06:29 AM   #1
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Dometic frig problems

Replaced the cooling unit on our 2 door Dometic NDR 1062. Cooling unit works great, but it does not appear to be cycling on and off. The lower box is freezing. Any way of determining if it is a control board problem or the thermistor? My ohm meter shows about 5K across the thermistor leads.

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Old 03-16-2012, 07:59 AM   #2
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Check here: http://http://www.dometic.com/enus/Americas/USA/Customer-Support/
You can get a phone number or send them an e-mail to check.
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Old 03-16-2012, 05:00 PM   #3
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Hi heybc,
First thought is the thermistor is okay. However, there is more to the test than a single reading. Disconnect the thermistor leads from the circuit board. At room temp the thermistor should have about 3K ohms across the leads. Place the thermistor in a glass of ice water for about 5 minutes. The thermistor should have a reading of about 9K ohms across the leads. If either of these readings is high, suspect the thermistor. There are fuses on the circuit board and in wires to and from the board. A defective thermistor can cause over cooling.
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Old 03-24-2012, 06:01 PM   #4
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Replaced the thermister with after market adjustable one. Frig is finally running normally again. Got it from Product Listings for Snip The Tip. Easy install.
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