P-1 code is flashing on temperature display - True 72 cu. ft. / 2039 liter Commercial Freezer T-72F

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mike cooper

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P1 is almost always a fault on the sensing (control) probe. Check it's end is not wet or covered in thick ice, and check the connections at the controller. If you can, change the probe connections on the controller temporarily. If P2 then shows it proves the probe is faulty. If P1 still shows, it proves the controller is at fault.

Posted on Apr 21, 2012

Wendell brimmer Dec 30, 2021

What is the probe ? What is the probe ?

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