14
49-5000400 Rev. 1
Troubleshooting Tips
Problem
Solution
No Display
Check for 12 VDC; display is blank
when 12 VDC is not present
System fan does not
come on properly
Verify that wiring is correct
All thermostat buttons
are inoperative
Verify that 12 VDC is present; unit
will not operate when 12 VDC is not
present
Fan runs continuously
Check
Fan
setting. If set to
ON
, the
fan will run continuously
Room temperature is not
correct
Verify proper installation per the
installation instructions
Compressor does
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immediately when
changing function or
setting.
There is a 3 minutes time delay and
a 3 minutes minimum run time for
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Fan does not run or turn
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changing funciton or
setting
This is normal. On some models,
the fan may have a minimum run
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