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1. Check that the system selector key is in the correct position (“HEAT,”
“COOL” or “AUTO”).
2. The thermostat may be in the AUTO mode. Look for “AUTO” on the LCD
display. If the Heat and Cool program temperatures are close, then the
thermostat requires a larger room temperature change before changing
from Heat or Cool.
3. There may be as much as a 4 minute delay before the Heat or Cool sys-
tem turns On - wait and check. (Compressor protection delay.)
4. Check your circuit breakers and switches to ensure there is power to the
system.
5. Replace batteries.
6. Make sure your furnace blower door is closed properly.
7. Check the position of the Heat Pump switch.
1. Press the RESET button once with a small pin and hold for two seconds.
The thermostat will need to be re-programmed.
1. Replace unit.
1. Replace unit.
Solution (cont.)Problem (cont.)
HEATING OR COOLING DOES
NOT GO ON OR OFF
If you experience any other problems, call 888-830-1326 for Technical Assistance from 7 AM to 7 PM Central
Time Monday thru Friday and 8 AM to 5 PM Central Time on Saturday.
ERRATIC DISPLAY
IF UNIT CONTINUES TO OPERATE
IN THE OFF POSITION
THERMOSTAT PERMANENTLY READS “HI,”
“LO,” OR “Error” AFTER PRESSING RESET
BUTTON