Results 1 to 6 of 6
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08-12-2017, 02:17 PM #1
Thermo King V500 20 defrost issue
I have a defrost question, i purchased a used truck box with this unit intact ( V500 20 ) i am using it as a stand alone freezer. Unit works great on electric power, however for some reason it wont go into auto defrost. I can however initiate a manual defrost. Setpoint is 20F, the evap does freeze up at least once per day. Does anyone have any ideas as to what the problem may be.
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08-12-2017, 08:58 PM #2
Re: Thermo King V500 20 defrost issue
What type of in cab controller is it do you have a picture?
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08-12-2017, 09:41 PM #3
Re: Thermo King V500 20 defrost issue
M13
Thank you for your reply
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09-12-2017, 11:37 AM #4
Re: Thermo King V500 20 defrost issue
Do you have a picture of the controller?
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09-12-2017, 11:59 AM #5
Re: Thermo King V500 20 defrost issue
If it's the one I am thinking of try holding the select button while it's running the select button is the top middle the one that's a circle of arrows,hold it until DIT comes up release it and change the interval time with the up/down cursors then press enter which is the equals cursor
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19-12-2017, 09:33 PM #6
Re: Thermo King V500 20 defrost issue
Does the cab command have three buttons (on/off, defrost and setpoint) and the setpoint control is a knob? Pretty sure that's the M13. The defrost interval on those is changed with a knob on the interface board.