Question about True 72 cu. ft. / 2039 liter Commercial Freezer T-72F

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Please: True refregerator model T-72F 2 fan not work at all Defrost limit thermostat no power Could I look for Timer control schematic? Thanks a lot

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Freezers have a fan delay which prevents fans from running until coil is cold to prevent circulating warm air.

Posted on May 12, 2010

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Heater elements not coming on


Is it the defrost heater element? There are several possibilities. Check defrost timer operation and output, check overheat limit klixon (attached to evaporator), check heater continuity.

Apr 24, 2014 | True 72 cu. ft. / 2039 liter Commercial...

1 Answer

True T72F defrost timer and lights not working?


You have done good work here young man. There is a relay or switch that is keeping the signal for being processed. I had the same similar problem with mine. At least your compressor is ok. Are you sure timer is wired back right.

Feb 12, 2013 | True 72 cu. ft. / 2039 liter Commercial...

1 Answer

Had a fire and need to rewire


Here is a PDF of Techinical information for all models of the True T-72F I will be here later should you have questions, Thanks Sea Breeze

Feb 09, 2013 | True 72 cu. ft. / 2039 liter Commercial...

1 Answer

True freezer model t -23f need wiring diagram


There is a safety cutout on the evaporator that sometimes goes open circuit, stopping the heater coming on in defrost.If the compressor will not turn off, check the condenser is clean.and the fan working. next check the thermostat hasn't broken. Lastly, check the defrost timer.

Dec 27, 2012 | True Freezers

1 Answer

Whats a clixon


Actually Klixon - that's a name brand but it's used as a generic term for a disc shaped temperature sensor that mounts to the copper line on the inside coil. There are sometimes 2 of them on a freezer. One will be used to end defrost and delay the indoor fans when it goes back into freeze so that they don't blow warm air into the box. The other will just be inline with the defrost heater to kill power to the heater as a failsafe.

Nov 19, 2012 | True 72 cu. ft. / 2039 liter Commercial...

1 Answer

My true freezer won't defrost?


Check the defrost timer (in the base, circular knob you can turn till it clicks) If it doesn't heat up rapidly in the evaporator, there is a safety overheat device (thermistor) that may be cutting power to the heater, or there may be a fault with the heater itself. Are you sure the fans are working, and the condenser grill is nice and clean?

May 14, 2012 | True 72 cu. ft. / 2039 liter Commercial...

1 Answer

My true cooler freezer in side fans dont turn on i run it for 15 min. the make is gdm-72f


first place to look is in the evap where the defrost/ fan delay is located. It is usually attached to the "U" tube on the evap and senses the temp. It prevents circulating warm are after a defrost. It could be bad and keeping the fans from running. Start there and let me know if I can be of further help

Jan 27, 2011 | True 72 cu. ft. / 2039 liter Commercial...

1 Answer

Beverage Air. Model: CFG24-1. The evaporator fan motor does not turn while unit is operating. The entire condensing unit is working, except the evaporator fan motor. When I removed the evaporator fan motor...


http://beverage-air.com/pdf/manualsbycategory/K%20Series%20-%20Bottom%20Mount%20Reach-Ins/CFG_CRG_KF_Series809-046A.pdf

The fan has a limit control wired in series that shuts the fan down until the coil temperature reaches 25*F. this prevents the fan from blowing warm around after defrost.
There is also a switch which is placed for the door to close. Either one may be defective.
Worst case is the freezer is not pulling down temperature wise.

Jan 19, 2011 | Beverage-Air CFG24 Freezer

1 Answer

Fans not running, everthing else runs. True model T-72F reach in


In most cases, there is a device located in or on the evap that senses the temp of the evap. This can be a defrost terminator/fan delay. Sometimes they are separate devices and sometimes they are a 2 in 1 device. If the evap does not get cold enough, the fans will not come on. Usually about +20 degree F. It is to prevent circulating warm air after a defrost and to keep from overloading the compressor after a defrost as heat is generated by electric elements. I would look to see if the defrost terminator / fan delay has malfunctioned, then I would check the refrigeration system performance.

Apr 23, 2010 | True 72 cu. ft. / 2039 liter Commercial...

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