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Mattress pad 1/2 not heating. (K85KQP)

Only 1/2 of the pad is working. I did check all connections and all are good. I have an Induction tester for ac power this showed power on 1/2 of the pad and NO POWER on the other half. In fact this tester will find an open circuit but no such thing, there is no power on 1/2 of the plug going to the pad, the tester shown only power on 1/2 of the 4 wire cable going to the pad from the controller. The system also has a indicator of bad connections by plashing the control light this is NOT HAPPENING. It is a dual control and it may be in one of them that the problem exist

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It is sure to be a problem with the controller.
If you can open the controller up, you can compare the good controller on the side that operates to find the problem with the bad side.
If you have a multimeter, you can surely fix the problem.
Check for output where the wire comes out of the controller if you can get inside of the controller.
It may be that the cord is bad.
That is the most abused part, because it is continually being moved and bent.

Posted on Feb 11, 2008

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