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Motor is overheating and won't stay running. - LG DH30 GoldStar Dehumidifier

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If the fan is not runing, that is your problem.

Posted on Nov 15, 2009


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I have a DeLonghi DNC65 dessicant dehumidifier about 4years ol. It runs for about 2-3minutes then the alarm light comes on and then it switches off. It is operating in a room which is 15 deg. C. Is this...

Ignore the first comment, Desiccant dehumidifiers do not have Freon, or a compressor...

The warning light coming on after a few minutes could be one of a few things (but probably most likely due to overheating or the detection of something not right in the unit operation. Most likely faults include:

1) failure of main fan motor (this would cause eventual overheat)
2) failure of heater blower motor (this would cause an overheat)

3) clogged desiccant wheel (restricting air flow and causing overheat)

Generally the warning lights only come on if an overheat occurs, If the heater has failed these units usually continue to run, albeit cold, and with no water being extracted.

Another culprit could be the water level cut of switch being faulty.

Feb 05, 2014 | Dehumidifiers

1 Answer

Dirty heat exchanger

the condenser (air intake) is blocked, most likely with dust, and the fan isn't passing enough air flow. either the fan is overworking and making noise or the compressor is overheating. if it can't cool down, the evaporator (cold coil) won't get cold enough to collect condensation. unplug the unit, take it outside, open the front, and hose the condenser down. if you can see light through it, it's ok. if not, spray some simple green degreaser on it and hose it down again after about 5 minutes. if you have a stiff bristled brush, use that, too.

May 14, 2012 | Haier Dehumidifiers

1 Answer

My zenith dehumidifier won,t stay running

if it runs for just a few seconds then clicks n stops its probably the thermistor in the motor starter circuit Re: Jeff

Apr 13, 2012 | Dehumidifiers

1 Answer

I have two of these dehumidifiers. They won't go on automatically. I don't understand the settings. One of them won't stay on at all. It runs and then shuts off.

As per your problem, that the dehumidifier shuts offautomatically - If yourdehumidifier froze, the compressor will shut off automatically. Allow the iceto melt before emptying the tank and restart the dehumidifier. Hope this will help you. Good Luck.

Jul 08, 2011 | Haier 65-Pint Dehumidifier

1 Answer

Unit trips breaker after running for short period of time. compressor is extremely hot and has odd smell.

From hat you have described, it sounds like the fan motor or the compressor is overheating and you should stop using the unit immediately. Especially, since it's tripping the circuit breaker. As far as how to repair it is concerned, you won't be able to tell if it's repairable until it's dismantled and all the systems are checked. Plus, Fedders as you knew them, when you purchased this unit, no longer exist. Some parts are still available, but they are in few supply. You may simply want to replace this unit.

Hope this helped you. Please let me know.

Jun 19, 2011 | Fedders R6DH45X Dehumidifier

1 Answer

Compressor seems to be overheating although top is cool. Continues to run but doesn't collect water. Fan is working. Can't locate model number.

If the compressor motor is overheating, it's usually a result of low refrigerant gas in the cooling coils. Recharging is an option, if you can find a shop that will do it.

May 22, 2011 | Kenmore 54501 Dehumidifier

1 Answer

I have a FDL70S1 Dehumidifier. Unit runs for just a couple minutes and shuts off-blinking bucket full even though no water in bucket. Unit won't stay on

Dont spend to much time trying to repair dehumidifier they are very cheap to replace. Most dehumidifiers have lots of problems because they are made so cheap. Just replace the dehumidifier you will tank me in the end.

May 17, 2011 | Frigidaire FDL50R1 Dehumidifier

1 Answer

Compressor runs, overheats and shuts does not run...

I have had the same problem. Following the advice of someone on these pages I opened the machine up and checked the fan with a meter. On my model (the 404) it has two settings so two leads; one seemed okay, the other was dead. I checked the circuit where the fan connector plugs in and I got that both speed settings were supplying plenty of juice. Apparently the fan motor is dead. A replacement runs $79 at I ordered one; we'll see what happens.

Apr 11, 2009 | Goldstar DH504EL Dehumidifier

1 Answer

Maytag Dehumidifier

Hi barkas4,
I had the same problem with an Ebac machine a few years ago. I figured that it would be worth trying a new capacitor - surely only a couple of ££ or $$. So I took the machine apart - loads of screws and bits of casing everywhere - bought a new capacitor (£14 !!!) and it still wouldn't run :-(

I suspect that the failed capacitor caused the electric motor driving the compressor to cook itself while stalled. It is now in the corner of the garage where it will stay until I need the space.

It's a real shame that our tendency to buy the cheapest products has driven down manufacturers standards to the point where stuff is carefully designed to last for its warrant period plus a day.

But I digress! My machine had the capacitor (400V, 2 uF) just next to the control circuit pcb. It was a black block about 2" x 1" x1/2" with two spade terminals on it. One had broken off. As I understand it, the motor doesn't "know" which way to turn without the capacitor, so it just sits and hums and overheats.

The bottom line (this one) is that an electrician may be able to tell you that the capacitor is defective, but that may already have killed the motor.

If these suggestions do help you solve the problem, please give my reply a rating to help others judge my knowledge. If they do not, please add a comment with more details so I can try to help
you further. Cheers, D

Jun 25, 2008 | Maytag M3DH30B2A Dehumidifier

1 Answer

Doesn't want to stay on...

Most likely the fan motor has broken. Without the fan, the compressor will overheat. There is a safety device inside that automatically shuts off the compressor to keep the overheating from destroying it. Check to see if you can feel air movement in the front or back of the unit while it is running. If not, then the fan motor has definitely broke. I had this exact problem on mine.

If you take the unit apart, you will find a parts list inside the unit. It will be inside a small plastic pouch. You can order a new fan motor from Sears. The cost is $30 plus shipping.

You will have to move the condensing coil in the front out a bit in order to exchange the motors. Just be careful not to break any of the copper lines. They are copper so they will flex quite a bit without breaking. Still, use caution. If you break the lines, all the refrigerant will leak out and your unit will be useless.

Sep 01, 2007 | Kenmore 54501 Dehumidifier

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