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I installed a new thermostat in my true cooler but it just runs all the time never shuts down?

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  • True Master
  • 53,678 Answers

The replacement thermostat could be defective or installed incorrectly.

Posted on Aug 18, 2019

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6 Suggested Answers

6ya6ya
  • 2 Answers

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Posted on Jan 02, 2017

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Therinnaiguy
  • 1420 Answers

SOURCE: Rinnai 1004 - Temp on thermostat reads 10 deg cooler than actual, keeps running

Behind the unit near the floor level, is a yellow wire with a black bulb at the end. This is the actual sensor for returning air. If there is cool air infiltrating the area where it is located, it will keep the unit running until the return air reaches temperature. You could also have a bad sensor but highly unlikely. Make sure there is no air infiltration influencing the sensor. Also, you can unclip the sensor and pull out a few more inches of wire to locate it higher up away from the floor. Tie it up with a wire tie.

Rinnai it testing a remote thermostat but as of yet, there is no plans to offer one.

Posted on Nov 26, 2007

  • 1 Answer

SOURCE: Wine cooler

Thermostat again.

Posted on Jun 26, 2008

  • 101 Answers

SOURCE: Furnace and Air conditioner run at the same time

Odds are u did just that or wrong thermostat,If u don't have a digrahm get one from Library.

Posted on Oct 02, 2009

heatman101
  • 43501 Answers

SOURCE: walk in cooler cycleing

Hi,
It has lost some freon and is not charged correctly...the unit is pumping down and shutting off on low pressure and then after being off a bit the pressure comes up and it restarts...
Need to check the charge and top it off and you will be good to go..

heatman101

Posted on May 28, 2010

Testimonial: "Thanx for the good advice."

duane_wong
  • 6826 Answers

SOURCE: My true cooler gdm-45 is

The thermostat seems to be bad. Or, the defrost timer is staying on too long.

Posted on Jul 12, 2010

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2 Answers

What's the effect of removing a thermostat from a 4D56 L200 triton engine?


any time you omit the thermostat the heater wont work but the engine will operate at a cooler temp. I live in a hot climate year round and we southerners leave out the tstats on older jalopy.

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Gdm 45 with new thermostat goes down to 28 degrees and compresor does not shut down


If the new thermostat sensor is secure and where it belongs, it has the wrong charge in the system. That cooler takes a critical charge. The factory charge is in ounces if refrigerant. The system needs to be evacuated completely with a vacuum pump and recharged with an accurate scale that weighs in ounces. That will solve your problem. A refrigeration tech carries the necessary tools that an hvac tech doesn't. Hope this helps and good luck.

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Will not stop running


Are you referring to the compressor not shutting off down below or the evaporator fan inside the cooling area not shutting off? Evaporator fan always runs the compressor is controlled by the thermostat you could have a bad thermostat if the compressor never shuts off.

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1 Answer

It is not holding temp. its range is 30 to 49 degrees in one hour


As a refrigerator, it should not go below about 34 degrees. If it is going down to 30, it may be freezing up on the coil. If you get a chance, do this: unplug the refrigerator and let it sit for 4 hours with the door open. If the coil is frozen it will defrost. You can feel the coils inside the box at the top back inside the unit. If you feel ice at any time it is an indication that it is getting too cold. Once the inside coils freeze over, the air can't flow through the coils and the unit will get warmer and warmer. When it is defrosted, set the thermostat just above the off setting. Let it run until the compressor shuts off. See what the temperature reads on a thermometer inside the cooler. If it is not cool enough move the thermostat one number colder and let it run an hour. Take your time, let it equalize before you change the thermostat. Also if the cooler is empty it is hard to set the thermostat because when you open the door all the cold air escapes and the temp will change rapidly. If it is full of cold food, opening the door won't change the temperature very quickly. Also check the radiator coils at the bottom of the cooler behind the grill. If it is clogged with dust or grease, the compressor may overheat and shut off prematurely.

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My thermostat went bad on my T49 and was


you might have a leak going on clean the coils and check the fan.

Dec 01, 2009 | True T-49 Side by Side Refrigerator...

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COOLER IS BLOWING OUT HOT AIR.


If you have a blocked capillary tube that had nothing to do with a power outage. You could get this if the condenser got EXTREMELY dirty. The cap tube runs up through the wall this is true but I have run external line sets up the back wall to bypass this sort of problem. You have to know where to drill so as not to hit the old line set or the electrical wiring which is also in the wall.

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1 Answer

Salad prep cooler too cold I turn the t-stat up or down compressor still running I think the t-stat is bad don't you think?


It sounds like the thermostat is "stuck closed". Try unplugging the cooler, MAKE SURE ALL POWER HAS BEEN DISCONECTED. Remove thermostat cover with thermostat on it. Carefully pull one of the wires spade connectors off the thermostat. Insulate the end of the wire you disconected with electrical tape. Now plug the cooler back in. If the compressor stays off the thermostat is the problem. Let me know if that helps. I know of a common replacement cold controll for that unit:)

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Thermostat wont shut off unit


These units are bad about that. you have to mount the cap sensor in the small tube that runs thourgh the evaporator for proper operation. laying on top of the coil does not let the thermostat sense properly.

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1 Answer

I have a True GDM 33 model is it possible tochange the temperatur


If your cooler is constantly running too cold the thermostat is probably bad. I can hook yu up with a thermostat. ;) www.northeastcooling.com

Nov 18, 2008 | True GDM-33-SSL-54 Refrigerator

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