Question about Zenith Medical
I cannot change the humidity setting up or down
Posted by Anonymous on
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Posted on Jan 02, 2017
SOURCE: Dehumidifier Error?
This error code indicates that the problem is most likely a shorted defrost thermistor or possibly a pinched wire going to the thermistor. You will need to replace the sensor assembly - part # 6877A30013L. The Sears website has it listed for 9.99 + shipping. The humidity sensor & defrost thermistor come together in a wiring harness that plugs onto the main circuit board. It is fairly simple to repair. Just remove the front & rear grill & the metal cabinet. Remove the thermistor from the copper tube on the cooling lines; remove the humidity sensor from the front of the evaporator; pull the wire plug off the bucket switch; & remove the small 7 pin plug from the main circuit board inside the metal control box. Reverse procedure to install new sensor assembly.
Posted on Nov 13, 2008
SOURCE: Zenith Model ZD300YO 30 pt
Take out bucket. Remove front cover two screws bottom left and right. Just inside lower left is a wiring harness with a clamp. Pry off and clean rust from clamp and tubing it attaches to. (if you put the bucket in and hold sensor between fingers the humidifier will start to work) Reattach clean sensor to clean copper tubing.
Posted on Aug 13, 2012
I had same problem but fortunatly had two units (one working other not) tried swapping capacitor / thermal switch with no luck, removed plug into circuit board for humidity sensor and bucket switch.now both units work, this tells me it was simply a bad connection of the board. hope this helps someone.
Posted on Sep 04, 2012
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Here is a tip that explains what can be happening to make the dehumidifier show that the bucket is full when it is not.
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