Question about Comfort-Aire BHD-651 Dehumidifier

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Code CH 01 is showing where the humidity level is suppose to be. The machine turns on & shuts off immediately

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Had same problem in 2008. Had to replace Evap Thermister board and sensor. Parts $120 Labor $50.00.
I am not an expert. Good Luck!

Posted on Dec 12, 2010

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I have a code on the screen CH 01... What do i need to do to get it to run again???


CH 01 Indicates that water collection tank is full and needs to be removed & emptied. Turn the unit OFF and unplug it, before removing the bucket.

Sep 21, 2011 | LG LHD45EL Dehumidifier

1 Answer

Doesnt seem to be working and the code CH appears on the display. Fan turns on but not collecting water and its very humid/damp in the basement so its not the humidity setting.


There are 5 basic, yet solvable reason 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 - 65 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
problem.

* Your unit is not a low temp model.

If none of the above solves the problem, it may be a case of the compressor needs to be recharged with refrigerant gas or that the humidity condenser sensor has failed. These things usually occur in units that are 5 years old or older. It's rare in a unit younger than that. But, it can happen.

Hope this helped you to troubleshoot and solve the problem, as your model has been discontinued by LG. Thanks for choosing FixYa.

Sep 12, 2011 | LG LHD45EL Dehumidifier

1 Answer

Fedders a7dh45b2a*a-r dehumidifier shuts off before the bucket fills


Actually, it's probably doing what it should. Let me explain: Dehumidifiers run until they have lowered the humidity/moisture level to where you have the humidity extraction level set. At that point, the unit shuts OFF, until senses the humidity level has risen above where you set the level and it turns ON again. That doesn't mean the bucket will always be full when it shuts OFF. It may turn ON & OFF many times before the bucket is full. Watch for the Bucket Full Light to illuminate. That's when the bucket is FULL and needs to be emptied.

Hope this helped you understand how the unit works.

Jun 29, 2011 | Fedders A7DH45B2A Dehumidifier

1 Answer

Just purchased a Danby dehumidifier (model # DDR6O11R). I was wondering when the dehumidifier reaches the programmed level of humidity (example: 40%). Is the unit suppose to shut off completely? I believe...


Depending on which mode you have the unit set on, will determine if it shots OFF entirely or the fan continues to run. In the Constant or Continual mode, the compressor will turn OFF, once the humidity extraction level has been reached. But, the fan will continue to operate, in an effort to keep the air circulating, so that if the humidity level rises, the compressor will turn ON and start extracting again.

In Timed Mode (usually 2 hour or 4 hour) , when the compressor turns OFF the fan does too.

Hope this helped you. Please let me know. Thanks.

Jun 06, 2011 | Danby Dehumidifier

1 Answer

Hi, When I tried to start my dehumidifier, it won't work and indicate CH 01. The bucket is totally empty and in good place. What this CH 01 means?


Your model is no longer in manufacture or available. However, I was able to locate the Owners Manual for you. It does not list a CH 01 Error Code, but does list other reasons why your unit want turn ON.

http://www.lg.com/us/support/product/support-product-profile.jsp?customerModelCode=LHD45EL&matchedModelCode=1000001989&searchEngineModelCode=LHD45EL&targetPage=support-product-profile&initialTab=documents#


In the past, I have recommended turning the Master ON/OFF Switch to OFF and unplugging the unit for 12-15 minutes. This will give the unit time to hopefully, reset itself. Then Plug the unit back in and turn the Master ON/OFF Switch to ON. Set the humidity control as you normally would. If it successfully reset itself, it should operate normally.

If you continue to have problems, contact LG Customer Support at 800-243-0000.

Hope this helped you to solve the problem.

Apr 14, 2011 | LG LHD45EL Dehumidifier

1 Answer

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

2 Answers

LHD65EBL Code CH 01


I had the same problem, and I wound up calling LG's customer support line. The rep I spoke with says that the "CH" code means that the internal thermostat is not able to accurately read the air temperature, and the unit will require servicing.

She gave me a couple of numbers for local folks, and I'll call them in the next day or so, but I'm thinking that this may not be worth the repair, unless it's pretty cheap: I bought the unit for under $100 less than 9 months ago, and I'm not eager to shell out a bunch of money to get it repaired.

Nov 02, 2008 | LG LHD65EBL Dehumidifier

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