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How freez stat works? - Johnson Controls A70HA-1C Coil Freeze Protection 15-55 M-RESET LOCKOUT

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My True TSD-33G freezes drinks overnight.


T-stat is overshooting or contacts on t-stat are sticking, replace t-stat and problem should go away. Don't forget to clean your condensers. That was just a helpful reminder.

Apr 02, 2014 | True TSD-33G Stainless Steel Cooler...

1 Answer

Room Stat Overides Programmer


It sounds like its working as a frost stat ,which will fire the heating when the temp drops with the heating not being on , this to stop house from freezing up .

Oct 26, 2012 | Acer Aspire Computers & Internet

1 Answer

Delfield ColdPro Refrigerator, Commercial unit, two door reach in... recently has begun to freeze.... Temp setting stays at 37F and for some reason, just on occasion it will drop to 0... and everything...


Intermittent failure of thermostat is the most likely problem.

Check the temp sensor to make sure it is clean.

You can check for voltage coming out of the thermostat when the unit is working improperly.

If the setting is on.... say, 36, the temp is... say, 26, and there is still voltage coming from the T-stat telling the compressor and fan motors to operate, then you have a bad T-stat/sensor.

Most T-stats for that type unit do not have a separate removable sensor, its all one part with a sensor on a long tube/wire.

You can probably buy one from your local refrigeration supply warehouse for less than 35 bucks.

If it were a more consistent problem, I would say you have clogged coils or low refrigerant. But if most times it works fine, and then just randomly will not shut off, that's likely a controls thing. = T-stat.

Jan 02, 2010 | Delfield (F18WC60) Commercial Refrigerator

1 Answer

Fridge not coolig,light working


most problems with not cooling are thermostat problems if the "stat" stops working it will freez up or nothing at all, try fitting a new stat first,

Nov 04, 2009 | Refrigerators

1 Answer

Temperature control does not work. Unit freezes everything no matter where the temperature control is set (Marvel Wine Refrigerator)


Either the thermostat itself is bad, or the relay is sticking. If you break the connection between the T-stat and the relay, and it keeps runnning, the problem is the relay.

If the compressor stops running when you break the connection or disconnect the T-stat, then the T-stat needs to be replaced.

Oct 12, 2009 | Marvel (6SBARBSG) Wine Cooler

1 Answer

Air lock in Madza 626 2L


I took thermal stat off car again,place it in hot water till the stat open(to see if working).Place stat back in and not put the housing back on,disconnect the top hose,pored anti freeze into hose.Anti freeze started to drip out of thermal stat,as I was filling head the air was being pushed out.I could hear like a whistle,when whistle sound stopped put thermal stat housing on,hooked hoses up.did not over heat and have heat in my car now

Jan 05, 2009 | 1998 Mazda 626

1 Answer

Freezer defrosts and unfreezes everything. A day or so later it refreezes.


most domestic freezers do not have a defrost control. .90 percent of them freeze and every few years enough ice builds up that you have to unload and manually defrost them. so what is probably happening is the stat is sticking in hte off position and not recognizing the call for cool when the temp gets up. if you catch it off and thawed try tapping the stat gently after the temp is getting way warm. if the box comes on and starts freezing again then the stat is sticking in the off cycle and needs to be replaced. usually under 75 dollars and fairly easy. two wires connect in any order.the stat itself has no in and out requirements. power in and power out when it closes. there may be a ground wire usually green and smaller connector attached to some newer stats. look close and you can see the difference. usually the voltage connections are next to each other and the ground is off to the side or end. stat is usually behind a plastic cover inside the freezer. good luck, disconnect power when you change stat of course.

Nov 06, 2008 | Kenmore 13.7 cu. ft. / 388 liter Upright...

2 Answers

Freezer not freezing


it would apear the stat is the fault. the thermostat is monitoring the temperature of the inner liner and tubing. if the compresor isnt actuly staying on the only part controling it is the stat. if you have the knoledge i would sugest you bypass the contol with the unit unpluged and the plug it in to conferm the fault was the control. p/s you may have a friend who has some knoledge . the control is a simple switch. just enshure the unit is unpluged. hope this helped

Oct 19, 2008 | Freezers

1 Answer

Freezer will not freeze except when using fast freeze


the electronic controller is faulty,make sure you have been supllied a freezer stat and not a refrigerator stat..

Nov 05, 2007 | Freezers

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