Question about LG DH30 GoldStar Dehumidifier

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LG Goldstar dehumidifier runs constantly

Runs continuously. Touch controls inoperative (won't turn off, change humidistat setting, etc.) Condensation on top.

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Sounds like the rheostat (aka rotary swithch) is opened (fried). can get new one on for 8.19 + s/h. need to know how to solder though. otherwise you will be looking at having to buy new unit for $120+

Posted on Aug 04, 2008


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Fan always runs, speed doesnt change (low/high), setting humidity level doesnt this a control board or circuit board issue?

Verify the humidity reading with another device. Perhaps the humidity sensor is dirty or bad.

Another possibility is the switching device that runs the compressor and fan is shorted. If it's a mechanical relay, the contacts may have welded together, or if it's a solid-state relay, it's got a punch-through or meltdown in a device junction. My guess is it's a mechanical relay since you mention it used to click on and off and now you don't hear that. The relay may be on the control board, or it may be mounted separately - I don't have a photo or diagram of the inside of your model available.

Jun 25, 2015 | Dehumidifiers

1 Answer

Why dose drum spin when furnace is not on?

Usually the unit is mounted to the cold air return (cold or intake air) and the round hose is then attached to the plenum (hot or discharge air). The humidistat is usually mounted just above the unit onto the meta plenum, unless you have a control somewhere else or your main t/stat has that capability built in. Its usually wired in with the furnace 24Vac control (or whatever yours happens to be) so that the unit only comes only when the furnace is on.

Dec 08, 2014 | Honeywell HE120A Whole House Humidifier

1 Answer

My Goldstar model GHD30T7 runs but the compressor does not kick in. How do I correct this?

ck your humidistat settings sometimes these get changed No one knows why ? 70%rh is considered normal

Oct 10, 2014 | Goldstar Dehumidifiers

1 Answer

Why does LG dehumidifier run continuously and not shut off?

It's your Relay Switch, it's either sticking or is stuck. The switch gets a lot of abuse whenever you empty the reservoir. You can try to reach into the area and bend the switch forward (pressing it back is what turns it on). Unless you know what your doing take it to be checked by a professional.

Sep 26, 2014 | Dehumidifiers

1 Answer

Unir ran good for 8 months then cut off with current humidity reading LO. Humidity is not LO. Have to set below 40% then runs all the time. The AUTO humidistat sensor must be broke. 1 year...

In addition to a faulty humidistat sensor, there are 5 basic, yet solvable reasons for what you described. Please pay particular attention to numbers 1 & 2.

1. The humidity extraction level is set to HIGH. Lower it to 32-35%.

2. Air intake filter is dirty or clogged. Turn unit OFF, & Unplug the
Unit, before removing to inspect & clean it, if necessary. If washed,
allow filter to completely dry before reinstalling. DO NOT operate
the unit without the filter.

3. Obstructed air flow. Maintain a minimum of 12 to 18" of clear air
space around the entire unit.

4. Cooling coils are dirty and need to be cleaned. Use warm water & dish washing liquid to
clean the coils. Rinse and wipe dry. Apply a light coating of WD40 to the coils.

5. Ambient air temperature at floor level is between 40 - 60 degrees.
dehumidifiers do not work well between those temperatures
(Unless, you have a Low Temp Unit). This applies mainly to
where the air temperature at floor level is colder than at shoulder level
in basement applications. Raising the unit up off the floor,
onto a sturdy table, counter top, etc, that can handle the weight
of the unit, plus a full tank of water, will usually resolve this

If none of the above solves the problem, contact Haier Customer Support
1-877-337-3639, before your warranty expires.Haier units will generally show an E1 code if a sensor or circuit is faulty and unit will not run at all.

I hope this helped you troubleshoot & solve the problem

Aug 11, 2011 | Haier DE65EJ Dehumidifier

1 Answer

No condensation. The fan blows but no water in the bucket?


First, make sure the humidistat isn't set too high by adjusting it to the lowest humidity setting and running it again.

Next, test the dehumidifier by placing it in a closed bathroom with a hot shower running. If you don't see water collecting in the unit after several minutes, turn the unit off and clean all dehumidifier filters and coils. If, after adjusting the settings and cleaning the unit, you still don't see water collecting, you may have a refrigeration issue.

This situation will have to be addressed by a qualified technician.

Take care.

Aug 19, 2010 | Whirlpool Dehumidifiers

3 Answers

Hi When I set the humidity level,the units continues to run regardless of setting,and I have it set to auto. I have unplugged,checked filter and removed/installed water tank.Nothing seems to help.

In this case the humiidistat / humidity sensor will need replacing. Contact the mfr - details on your user manual - to find out where their service centres are and how much it will cost.

Nov 08, 2009 | Dehumidifiers

1 Answer

DeLonghi DEN500P Dehumidifier Humidistat

I have the delonghi DEN500P and the unit runs but does not condense any moisture? The appropriate buttons have been set to bring the unit humidity setting well below humidity in room

Aug 03, 2009 | DeLonghi Dehumidifiers

1 Answer

Dehumidifier Compressor is not working

this unit is very simular to an air conditioner except it has a humidistat instead of a thermistat.. if your handy with a continuity tester unplug the unit find the humidistat and check to see if its open or if its good then call the company at 1 800 322 3848 or contact the web site at Good Luck

May 31, 2006 | DeLonghi DHE90 Dehumidifier

1 Answer

A Question

You can test the humidistat fairly easily, using a volt-ohm meter. Just set the meter to RX1 scale and attach its leads to the humidistat's terminals. Rotate the humidistat's knob as far as it will turn in both directions. If the volt-ohm meter registers zero ohms through only part of the humidistat dial's range, the humidistat is working. If it registers zero through the entire range, it's broken and must be replaced. Dehumidifier Overflow Cutoff Switch Test- Using a volt-ohm meter, you can tell if the overflow switch works or not. Clip the leads to the terminals on the switch. Depress the bar or trip lever on the switch. If the meter's needle doesn't show continuity and no continuity as the switch is clicked back and forth, the switch is probably faulty and will need replacement.

Jan 18, 2006 | Fedders A7DH65B2A Dehumidifier

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