Question about True 598-TSSU608ADA SandwichSalad Unit 155 cuft

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Thermostat wont shut off unit

My cooler was only working if thermostat was set at 9 the highest setting so i replaced the thermostat new one came with a capillary wire that i just laid on top of evaporater coil now the unit wont stop cooling evenat the lowest setting it goes down to 20 degrees

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  • traptourists May 10, 2009

    I have a wider unit. 72" wide. I have not altered the thermostat but have a similar problem in that at setting 1 the unit will freeze water. At setting 0 (off), the fans inside the unit do not shut off. The only way to shut them off is to unplug the unit. It doesn't get down to 20 degrees but it is way too cold at the warmest setting.


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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.

Posted on Mar 07, 2009

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I have a TRUE model # GDM-26 s/n 1-3521660 it keeps freezing our drinks inside, we have the temp turned down all the way to 1 and still freezes what could it be? Thought it might be the thermostat!! ...

I would say it has to be a bad thermostat. Generally I set these on 5 and they work fine. If it were a refrigerant problem the coil might freeze up but the drinks would not. Changing them can be a DIY project if you can get the thermostat.

Not fun the first time. Unplug the unit. There will be a plate with two screws that the thermostat is mounted to either on the right side or right front of the coil cover. Remove the two screws and pull the plate and thermostat down in one piece. Unplug the two wires from the stat and remove the plate from the stat making sure to note which way the plate and thermostat are oriented. The thin capillary from the stat runs up to the back of the coil. You have to reach your hand into the opening created by removing the plate and feel your way to the capillary entrance at the coil. You may be able to just see it through the hole. Make a good mental note of its position in there and pull the old capillary out. Measure how deep the capillary was in there and try to get that far in with the new one. I generally put a little piece of tape on the new capillary about where I want it to stop at the coil. You just want to make sure the capillary is clear of any wires and doesn't rub against anything in its routing. Reinstall is reverse of uninstall.

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Possible that the thermostat is not working, ry reducing the control down to see if the cut off takes place.
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Possible that the thermostat control is not reacting to the setting.
so you must check if there is any break or replace the unit.

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