Defrost timer on a true T-23f - True 23 cu. ft. / 651 liter Commercial Freezer T-23F

SOURCE: this is a true Mod. T-23F-2 The fan does not work.

18004248783

SOURCE: My True 23F has had

http://www.truemfg.com/pdf/InstallManuals/T-SERIES/t_series_english.pdf
this should take you to their site for a manual on your freezer. I has info on the time clock and how to set it.
First, be sure it has the correct power to the unit. I would then check the temperature control. Be sure it is sending power to the compressor unit. If a contactor is used, is the coil on the contactor getting the correct power? Start there and let me know if we need to go further. Good Luck

SOURCE: I have a True T 23f freezer that I know needs a

That 8141-00B is a Paragon timer model number. If you get the identical one you can just mark the numbers down and be sure to wire in the new one the same way.