20 Most Recent Therma-Stor Santa Fe Dehumidifier Questions & Answers


The dehumidifier should be removing water at 66F 70%rh.

First make sure that the compressor and fan are running. If they are, then turn the dehumidifier off and unplug the cord from the wall outlet. Next remove the front cover from the dehumidifier. Examine the evaporator coil (about 1/2 way up) beneath the plastic heat exchanger and above the stainless steel drain pan.

If the evaporator coil is cold and completely covered with frost & ice, the defrost thermostat may be defective. Replace the front cover. turn the humidity dial to "off". Plug the dehumidifier in to the wall outlet and set the fan switch to on - the fan will run (no compressor). Run this way for one hour to defrost the evaporator. Now adjust the humidity dial to your desired humidity and keep an eye on the dehumidifier. If it freezes up again and does not automatically defrost, the defrost thermostat should be replaced. Call the manufacturer at 1-800-533-7533 for parts and instructions.

If the evaporator coil is (mostly) warm and free of frost and ice, it is likely that some of the dehumidifier refrigerant has leaked out. this type of service should be done by a (refrigerant) certified technician. Call the manufacturer at 1-800-533-7533 for help with this service.

Therma-Stor... | Answered on Oct 23, 2013


The classic model drains thru the clear hose using gravity. The drip pan in that unit is about 1/2 way up in the cabinet. Make sure the drain hose exits the unit and runs flat or downhill. If the drain hose is coiled vertically or run up hill causing water to trap within the hose it can cause water to back up in the dehumidifier drip pan and overflow causing your problem. If your drain is higher than the base of the dehumidifier, you can raise the dehumidifier or you can purchase a condensate pump kit that will allow the drain water to be pumped up to 15 feet above the dehumidifier.

The drain hose may have become disconnected from the drip pan as well. To check, turn off the humidistat to stop the dehumidifier from running. Next disconnect the cord from the power supply. Remove the six screws holding the cabinet side (with the label) from the cabinet and remove the cabinet side. The drain hose connects to a nipple on the bottom of the drip pan.

Contact Therma-Stor service for further inquiries at 1-800-533-7533 - they are located in the USA and are very helpful.

Therma-Stor... | Answered on Sep 07, 2011


You will have to remove the plastic "cover" from the top of the unit to access the interior parts on the Advance model. Make sure you disconnect the power cord before beginning the disassembly. You can call the service group at 1-800-533-7533 to speak with a technician if you need help.

Therma-Stor... | Answered on Jun 27, 2011


Hi Kevin,
If your dehumidifier is a Compact that is over 6-12 months old the problem may be a defective drain pan safety light switch. On the early units this waterproof switch wasn't as waterproff as the vendor described. A new "MORE" waterproof switch is now being used in that unit. The new switch is a direct replacement for the old switch. Please call the Thermastor Warranty Dept and they will send you a new switch at N/C. Their # is 800-533-7533 ext 8451 or contact Dwaine @ ext 8450.

Therma-Stor... | Answered on Apr 28, 2010


Your post says you have an RX but the picture shows a SantaFe Classic.
In either case the massive frost build up is caused by a defective defrost thermostat. PN 4021470 Parts Dept 800-533-7533 x 8451
The defrost thermostat has an internal set of electrical contacts that are designed to open up and turn the compressor off when frost or ice has accumulated on the tubing and the evaporator coil. If the contacts fail to open, the compressor keeps running and the frost and ice just keep accumulating until such time as the homeowner unplugs the unit or a sevice tech replaces the defrost t-stat.
Dwaine
Thermastor Service Dept
800-533-7533 x 8459

Therma-Stor... | Answered on Apr 26, 2010


if it is low you need a technician over there to put the guages on it is not going to be a big problem if it is a reasonable leake if it is slow it may take some time and dye

Therma-Stor... | Answered on Jun 22, 2009


Windows is an operating system. It starts when the computer is turned on. How were you able to post this question if you do not know about any program on the computer? If you want to learn about windows they have cd-roms and books on how to use windows...I suggest you purchase one.

Therma-Stor... | Answered on Sep 10, 2009


For the others who follow

I have the same model, same problem on a 2 year old purchase made in 2014. This unit has a pump (and a hose) to drain the condensate.

The pump light started blinking about a week ago, turning cycling power worked for a while, until pumping stopped altogether.

After investigating:
-the hoses are not blocked but there was some algal growth in the tray which I cleaned
-the pump no longer pumps.
-my favorite parts suppliers and other on-line sources have no record of the model/parts etc.
-Called "whirlpool" consumer line in manual
-Whirlpool has been purchased by Garrison and that company has no parts for this discontinued model but did provide a phone number for the pump 800-799-0991. Unfortunately the cost of this small solenoid pump is $74.

I will drain the condensate via gravity to a floor drain as I don't see spending that much for something that broke so quickly and appeared poorly made..

Dehumidifiers | Answered on Jul 13, 2020


https://www.jondon.com/media/pdf/manuals/DP-F515_manual.pdf

ER3 CONTACT SERVICE CENTER

Unit in defrost too long. Check defrost sensor cable for proper connection. If error persists, sensor assembly may require replacement. Contact service.

Dehumidifiers | Answered on Jul 07, 2020


https://www.manualshelf.com/manual/keystone/kstad70c/warranty-english.html

See phone number in web link above. Beware FIXYA spam and fraudulent phone numbers often posted for many years here.

Dehumidifiers | Answered on Jul 02, 2020


  1. Check that the filter in the unit is clean.
  2. Check that the room temperature is above 41 degrees.
  3. Check that the humidity isn't set too low, recommended humidity is 45~50%
  4. Make sure that the unit has plenty of space all around to allow for sufficient air circulation.

Dehumidifiers | Answered on Jun 24, 2020

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