Hunter 44550 Owner's Manual page 35

Problem (cont.)
ERRATIC DISPLAY
IF UNIT CONTINUES TO OPERATE IN THE OFF POSITION
THERMOSTAT PERMANENTLY READS "HI," "LO,"
OR "ERR-" AFTER PRESSING RESET BUTTON
If you experience any other problems, call 901-745-9222 from 8 AM to 5 PM Central Time for technical assistance.
Solution (cont.)
1. Press the RESET button once with a small pin and hold for two seconds.
The thermostat will need to be reprogrammed.
1. Replace unit.
1. Replace unit.