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Breaker blows when dehumidifier tries to kick on? Replaced capacitor and no change does this mean the compressor is junk?

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One of the major faults with dehumidifiers is damage and electrical ''tracking'' caused by the dampness they are constantly exposed to. Isolate the supply completely ! from the unit then carefully inspect all electrical parts for corrosion and ''blow'' marks. Check motor for shorts to earth as this occurs on old elec motor windings. Also inspect carefully the control contactor / relays that switch motor and fans.

Posted on Jul 22, 2010


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1 Answer

Compressor not running

id try a new capacitor (cheapest solution) , but sounds to me that your compressor is done for. id bet the evap coil is quite dirty , this is a usuall cause

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Edison 40 fan starts -then trips breaker (before compressor kicks on)...toast?

Maybe..but what else do you have on the same circuit? Could be overloaded by another appliance. Make sure you unplug all items on the same circuit, then try it again. If it still blows most likely its in the unit, if if runs with no problem, issue is overloaded circui, too many other things on the smae line.

Aug 14, 2014 | Edison 40 Pint Dehumidifier

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Compressor runs and gets hot but fan will not kick on. Replaced the capacitor and that did not help. One side of coils gets hot, the other side gets cold, which seems normal. Just can't get the fan...

Don't run the compressor for any length of time without the fan operating. Is it possible that the fan must be replaced? Can you power the fan safely to test it?

Jul 26, 2011 | Maytag M7DH45B2A Dehumidifier

1 Answer

Compressor won't kick on

This usually means that the capacitor is bad and needs to be replaced, it is a small round device that is either near the compressor or in the control panel area, on the side of it, it will tell you the "MFD" rating and the voltage, and that is the two numbers that you need to match. Be carefull, with the old capacitor, if it is shorted it can hold a electrical charge, even with no power to it, and can zap you, not fun :)
If this has been helpful, please rate the new guy :)
Contact me if I can help you any more.

Apr 03, 2010 | Goldstar DH304 Dehumidifier

1 Answer

When compresser comes on blows electric breaker

the outlet that you have the dehudifier plugged into has too many items plugged in on the same circuit and when the compressors kicks in it draws more amperage than the breaker load can hold thus popping the breaker either remove some electrical apliances from that circuit load or plug in elsewhere

Sep 14, 2009 | Kenmore 54501 Dehumidifier

1 Answer

Compressor kicks on for about a min then shuts down overload trips out

The Main reasons that this will happen
1 - A bad run capacitor (silver or metal capacitor)
It’s either shorted, grounded or open.
If it’s shorted a lot of times it will bulge out, (sometimes slightly)
2 - A bad start kit ( plastic capacitor and Relay connected to it )
The capacitor is either shorted or open
The relay either has an open coil between terminals #1 and #5
Or the relay is stuck.
Any time you change the capacitor or relay you should change
the other, especially if they are over a year old.
3 - A loose, burnt or disconnected wire
4 - Wired wrong
5 Compressor is open (windings burnt open)
6 Low on charge not getting enough cooling back to compressor, (Feel top of compressor to see if it’s hot it shouldn‘t be)
7 Some compressors have a black plastic overload under the compressor cap which could be bad.

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1 Answer

Soleusair 14k btu compressor not running otherwise unit seems ok, just wont cool

verify voltage to compressor terminals and capacitor, if the unit is not blowing fuses or tripping breakers, it could be the start components or the compressor itself.

Jul 20, 2009 | Dehumidifiers

1 Answer

Dehumidifier tripping the breaker

be very careful - with the unit unplugged - try shorting the capacitor with an insulated screwdriver. if you get a healthy spark - the cap is probably ok. if you don't replace the cap. the cap is used in the motor's start winding.

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