Re: M7DH45B2A dehumidifier does not have auto restart...
No. I went away for a week and set mine up in the tub. Power went out and it was off when I got home. You could buy a UPS ( unterruptable power supply) from the computer area in Walmart and hook it up to it. This would allow it to still run for a while and if the power came back on while it was still under battery power it would run like it was running. You can buy larger UPS units that would keep it running for longer amounts of time. Just an idea.
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The model you have was made for Maytag by Fedders. Unfortunately, Fedders as you knew them, when you purchased the unit, is no longer in business.
The part you need to replace is CRCFD2518-020- Pc board w/auto restart dehumidify and with anti-icing thermostat
(defrost thermostat). this unit also include the humidistat control. However, that part is no longer available and there are no substitutions for that part.
Don't feel bad. This part was also used by many other name brand manufacturers and is no longer available for their dehumidifiers ether.
I'm really sorry, I wish I had better news for you.
You may have the humidity level set to high. Keep in mind, the higher the number on your LED screen, (if your units have LED display) the more humidity remains in the house. Lowering the numbers on the screen (to 45%), should have a better affect.
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Hi, I would check if the compressor is starting... my first thought is that the compressor is either locked pu or not starting right because of a bad capacitor...
There are many reasons why a dehumidifier will
not work or collect water.
Here is a tip that I wrote to help people to figure out what is going wrong
with their dehumidifier
That capacitor is a run cap for the compressor. Your problem sounds like a faulty connection in the circuit which supplies power to the solid state electronics. The electronics will have a 115 VAC supply from the rest of the machine's circuitry, most likely running to a small transformer. Check for 115VAC when you attempt to start the machine. Trace the circuit until you find the point where the power disappears when the start is pushed. If this does not reveal the problem, replace the board that has the transformer on it. There is a faulty connection somewhere which is opening when power is drawn. It is also possible that the compressor is locked & drawing enough power to disable the rest of the machine. Try it with the compressor disconnected, before replacing anything.