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Les langues disponibles
TROUBLESHOOTING TIPS
Problem
No Display
System fan does not
come on properly
All thermostat but-
tons are inoperative
Thermostat turns on
and off too fre-
quently
Fan runs continu-
ously
Room temperature
is not correct
Compressor doesn't
run or turn off im-
mediately when
changing function
or setting
Fan doesn't run or
turn off immedi-
ately when changing
function or setting
Problem not listed
above
Solution
Check for 24 VAC; display is blank
when 24 VAC is not present
Verify that wiring is correct.
Verify that 24 VAC is present; unit
will not operate when 24 VAC is not
present.
Stage 2 section).
Check Fan Auto/On switch. If set to
ON position, fan will run.
Verify that wall hole is plugged with
from the wall cavity. Adjust Tempera-
There is a 3 minute time delay and
a 3 minute minimum run time for the
This is normal. On some models, the
time delay.
Press the Reset button once to reset
the thermostat and restore all factory
settings.
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