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HEATING OR COOLING DOES NOT GO
ON OR OFF
ERRATIC DISPLAY
IF UNIT CONTINUES TO OPERATE IN OFF
POSITION
THERMOSTAT READS , HI, LO
PERMANENTLY
1. Check that function switch is in correct
position (“HEAT” or “COOL”).
2. There may be as much as 20 seconds
delay before the system turns on - wait
and check.
3. Check your circuit breakers and switches
to ensure there is power to the system.
4. Replace batteries.
5. Make sure your furnace blower door is
closed properly.
6. If your system only uses 4-wires, be sure
the jumper wire is installed between the
RC and RH terminals.
1. Press the reset button once with a small
pin and hold in for two seconds. Then
reprogram.
1. Replace unit.
1. Replace unit.
If you experience any other problems, call 901-745-9222 from 8AM to 5PM Central
Standard time for technical assistance.