Question about Maytag M7DH65B2A Dehumidifier

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Need new circuit board Crcfd2514-040 - Maytag M7DH65B2A Dehumidifier

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HI, you can purchase this Board by clicking the link below. it will direct you to an online parts store. you can purchase the Board at this site location as well if you wish.


CLICK HERE

Posted on Jul 17, 2009

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Posted on Jan 02, 2017

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Error Code CH 01


I have a Comfortaire BHD501 dehumidifier. A couple weeks ago I noticed ice building up on top of the unit,so I unplugged it to defrost. I plugged it back in and it worked until I noticed the "CH" "01" code. It would run a few seconds then shut off with that code showing. I took off the front of the unit and noticed rust on some of the metal parts. Then I took the cover off the circuit board for the front read out. I noticed corrosion on some of the solder points. When I looked closer at the plastic cover for the circuit board I noticed a small burn mark. The water from the melting ice must have run behind the cover and shorted out the circuitboard. At this point I don't know if new boards are available.

Jun 26, 2009 | Comfort-Aire BHD-501 Dehumidifier

1 Answer

Dehumidifer runs for about 45sec to 1minute and then shuts off. wqhat would be making this happen


If it does that consistently, then it's likely that the compressor is overheating and shutting down. (It has a thermal overload circuit to prevent a potential fire). Another cause could be a malfunction of the control circuit board which runs all functions of the unit. To check for possible compressor problem, unplug the unit, remove the housing to expose the compressor, plug it back in and power it up. When it shuts down, feel the compressor. It should be warm to the touch, but definitely not so hot that it singes your fingers.

If you find that the compressor is just normal warm, then the control circuit board is shot and needs to be replaced. Check with the merchant or manufacturer for availability & cost. If prohibitive, you're better off simply replacing that unit with a new one.

Jun 10, 2009 | Goldstar DH304 Dehumidifier

1 Answer

Dehumidifier won't run


After all that testing you have diagnosed the problem. It is the main circuit board. So there is not reason to do any more test. I would just get a new control board and off you go

Apr 21, 2009 | Haier HDN305 Dehumidifier

4 Answers

Amana D530M Dehumidifier won't run


We all appear to be in the same mess --Thanx Haier
This product says its Amana, but rest assured it is an Haier
The problem is most likely with the engineering design of the board. Im not an electrical engineer so be careful litning to me to closely :) There is only a half bridge rectifier on this board and 2 zener diodes that clamp down on the voltage. My guess on yours is the Zeners have been shorted and no longer clamping voltage down to aroun 24 volts for the low side of the board. I spoke with Haier and they have no schematics that state the zener specifications. They also said there was a 6 month backorder on ordering a new board. Oh and by the way if you want to order a new board and wait 6 months for the backorder it would cost you 75.00. All this jsut to repeat the problem again, because of bad design. O well ----- I wish products were not made better, so I wouldnt have to fill guilty about putting this in the landfills.

Nov 04, 2008 | Amana D530M Dehumidifier

1 Answer

Problem


I was able to find a part list on the internet and see a picture,description of the part, the part number, price, and availablity.

Sep 13, 2008 | Comfort-Aire BHD-301 Dehumidifier

2 Answers

CIRCUIT BOARD


I've replaced mine twice.  water pools under the board and shorts it out.  I raised the mounting points this time around.  I found the board at Appliance Parts 866-312-3498

Aug 13, 2008 | Maytag M7DH65B2A Dehumidifier

2 Answers

Printed Circuit Board


Normaly they sell the complete circuit board for these units. If you have a part that is blown out, it is very probable that there are other parts that are damaged as well.

During warranty, they do not normaly fix these boards. They replace the board with a new one.

I would be looking at replacing the complete board. What will most likely happen and I have seen it often, is in this type of case, when a blown part is replaced, it blows again, because the parts that caused the failure must be also changed. I don't think you have the necessary tools, training, and design information about the circuit board to troubleshoot it properly to know the condition of all the other parts involved.

Sometimes there boards are rather expensive. You may find it more feasible to buy a new unit.

Jerry G.


Jerry G.

Jun 20, 2008 | Goldstar DH504EL Dehumidifier

1 Answer

Fedders Dehumidifier - Wont Turn On


Looks like a control board, Check the board for burn marks. What model do you have? Some parts are available on-line at appliance factory parts.. also check your Capacitor and fan motor before you install your new Board..Let me know if this helps? Krazytech

Aug 14, 2007 | Fedders A7DH45B2A Dehumidifier

3 Answers

Dehumidifier doesn't turn on at all.


This dehumidiifier has an inherent design problem. There is a control printed-circuit board mounted above the cold coil, sitting in a shallow plastic well. The moist air eventuall condenses in the well and shorts out the board. I have found this on 2 units now. You can order a new board on line and it installs with just push on wire connectors. That will fix the unit but I suggest you mount the new board with longer screws and spacers to raise it out of the well.

Jun 16, 2007 | Maytag M7DH65B2A Dehumidifier

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