Page 21
Troubleshooting
SYMPTOM:
The slide switches on the thermostat
are very difficult to move.
CAUSE:
The backplate of the thermostat is
deformed by being screwed tightly into a
wall that is not perfectly flat.
REMEDY:
Loosen the screws holding the
thermostat into the wall.
72
Heat Off Cool
Fan On
FanA
uto
72
Heat Off Cool
Fan On
FanA
uto
SYMPTOM:
The air conditioning does not
attempt to turn on.
CAUSE:
The cooling setpoint is set too
high or the Mode Switch is not set for
Cool, or the batteries are too weak.
REMEDY:
Consult the Normal Operation
section of this manual to lower the
cooling setpoint and to correct the
Mode Switch position, or replace
the batteries (page 9).