I replaced the defrost timer (Paragon 8141-22) with a Precision 6141-0 and still not turning. I have also noticed that the lights do not turn on when the doors are opened. (the bulbs have been replaced). the coils have been freezing over unless i place it in defrost mode manually several times a day. I have also noticed that the freezer is dipping down to -30 when the thermostat is not set that low. I turned the thermostat and I can feel and hear the "click".
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.
SOURCE: I have a True Freezer Model T-49. It works fine but every 3 or 4
This sounds like a stuck relay to me. I have seen this problem before. The defrost clock kills power to the compressor relay coil during defrost. If the contacts in the relay are welded together the compressor runs while unit is trying to defrost. On newer units this relay is mounted in base of unit on the side or back of the electrical box near center bottom of unit. The compressor relay is a small rectangular box with 4 wires attached. It can be replaced with a single pole 20 amp contactor with a 120 volt coil/ or 240 volt. Check the units name plate voltage rating and ratings on old relay! ;)
SOURCE: Please: True refregerator model T-72F 2 fan not
Freezers have a fan delay which prevents fans from running until coil is cold to prevent circulating warm air.
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