Temperature Set To 36º
No
Refer To Control
Board Diagnostics
Temperature Set
Too High?
Reset Temperature
Adjusting Temperature
Starts Compressor?
Check Thermistor Mounting &
Refer To Thermistor Diagnostics
Yes
No
No
Yes
Compressor Starts
After 15 Minutes
No
Yes
No
Yes
Verify:
Compressor Overload is Closed
Start Components Function
Condenser Fan Motor Functions
Voltage Must Be Within 10% Of Nameplate At
Compressor Startup
Compressor Starts
After 3 Minutes?
Compressor On? No
Compressor Anti Short Cycle Delay Is 3 Minutes
Yes
Yes
Defrost Cycle Was Initiated:
Determine Cause Of 3 Hour
Continuous Compressor Run Time
Clean The Condenser Coil
Check Clearances
High Ambient
Yes
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