Can a True Commercial T-72 refrigerator be converted to a Freezer

SOURCE: True commercial freezer

The ice could be preventing the freezer from freezing properly, try defrosting the unit. if this does not help then this could indicate a more serious problem like a bad temp sensor or refrigerant leak.

SOURCE: True Commercial freezer not cutting out

Tech. can not find freeon leak in line but endicator is regestering freeon leak in side of back panel.

SOURCE: convert freezer to refrigerator

Converting a freezer to run like a fridg can be done ,however it is sometimes tricky. you have to replace the thermostat, you will also want to shorten the defrost time setting. and may have to disable the fan delay to let the evaporator fans run all of the time, to prevent short cycling of the compressor.

SOURCE: Can I convert an existing refrigerator to a freezer ?

It's do-able but really not worth the money it would take to do it. You would most likely have to change out the entire refrigeration system (compressor, evap., and expansion device.) Then you would have to add some sort of defrost timing device and defrost heaters. This woud include an defrost terminator and fan delay device as well. Way too much work and money to get what you want.
I would try to shop around too see if you can pick up a good used one from a reliable source.

Good luck and hope this helps.