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SYMPTOM: The Air Conditioning does not
attempt to turn on.
CAUSE: The cooling setpoint is set too
high, the Mode Switch is not set for
Cool, the batteries are too weak, or the
Aux. Heat Switch is set for Emergency.
REMEDY: Consult the Normal Operation
section in this manual to:
Lower the cooling setpoint (Page 6).
Correct the Mode Switch position (Page 6).
Replace the batteries (Page 10).
Adjust the Aux Switch to Normal (page 7).
Trouble Shooting
SYMPTOM: The slide switches on the thermostat
are very difficult to move.
CAUSE: The backplate of the thermostat is
screwed too tightly into a wall that is not
perfectly flat.
REMEDY: Loosen the screws holding the
thermostat into the wall.
OWNER'S MANUAL
S1-THEH21NS
SYMPTOM: The fan does not turn on even though
the compressor has energized.
CAUSE: The Fan Switch is not completely in the
On or Auto position.
REMEDY: Slide the Fan Switch firmly into the On
or Auto position.
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