Hunter thermostat troubleshooting

Hunter thermostat troubleshooting table reflecting the most widespread cases of malfunctions and means of their removal is given below. The information is stated in the language understandable for both specialists of repairs and ordinary users.

Hunter basic thermostat troubleshooting

ProblemSolution
SCRAMBLED OR DOUBLE DISPLAY (numbers over numbers)1. Remove clear Mylar sticker
NO DISPLAY1. Check terminal connection. A common (C) wire is required for operation.
2. Check battery connections and batteries.
3. Press RESET button with a small pin and hold in for two seconds.
ENTIRE DISPLAY DIMS1. Replace Batteries
2. Adjust LCD contrast in the Option Menu.
PROGRAM DOES NOT CHANGE AT YOUR DESIRED SETTING1. Check that the time is set properly to "AM" or "PM".
2. Check that the thermostat is not in "HOLD" or "Home Today" modes.
3. Check for the correct day setting.
4. Check any remote sensor readings or weights.
AUTO / FAN DOES NOT TURN ON1. Move HG/HE selector to opposite position
FAN RUNS CONTINUOUSLY1. Check fan setting. It may be "ON"or in Programmable Fan mode"PGMON".
HEATING OR COOLING DOES NOT GO ON OR OFF1. 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.
ERRATIC DISPLAY1. Press the RESET button once with a small pin and hold for two seconds. The thermostat will need to be re-programmed.
IF UNIT CONTINUES TO OPERATE IN THE OFF POSITION1. Replace unit.
THERMOSTAT PERMANENTLY READS "Hi; TO," OR "Error" AFTER PRESSING RESET BUTTON1. Replace unit.

Hunter 43*** series thermostat troubleshooting


ProblemSolution
LCD Display is blank1. Check wiring connections. A Common (C) wire is required for operation.
2. Press and hold the Reset button for two seconds with the tip of a paper clip.
Auto/Fan does not turn on in Heat Mode1. Move the #1 System Set-Up Switch (HG/HE) to the opposite position.
Erratic display1. Press and hold the Reset button for two seconds with the tip of a paper clip. The thermostat will need to be re-programmed.
Fan runs continuously1. Check the Fan Switch. The fan will run continuously if the Fan switch is in the “on” position.
Heating or cooling does not go on or off1. Ensure the System Switch is in the desired position (“heat", “cool", “em heat").
2. There may be as much as a 4 minute Compressor protection delay before the Heat or Cool system turns on - wait and check.
3. Check your circuit breakers and switches to ensure there is power to the system.
4. Make sure your furnace blower door is dosed properly.
System continues to op erate in the Off position.1. Replace thermostat.
2. Make certain the thermostat is wired correctly and that none of the wires are touching other wires.
Thermostat permanently reads “E1”, “E2”, or “E3” after pressing the Reset button.1. Replace thermostat.

Hunter 40135 thermostat troubleshooting

ProblemSolution
My heating or cooling will not turn on or off1a. Check the HE/HG Switch to ensure it is set to the correct position.
1b. Wait. There may be as much as a 4-minute delay before the system turns on or off to protect the compressor.
1c. Check the circuit breakers and switches to ensure there is enough power to the system.
1d. Replace the batteries with fresh AA alkaline batteries.
1 e. If applicable, make sure the furnace blower door is closed properly.
1f. If your system has 4 wires, ensure the jumper wire is installed between the RC and RH terminals
My system continues to operate when the thermostat is in the off position2a. Replace unit

Hunter 144860 thermostat troubleshooting

ProblemSolution
My display does not appear1a. Check the batteries and battery connections.
1 b. Reset the thermostat
The auto fan feature does not operate properly2a. Check to see if the correct furnace type is selected under the system settings in options
My display is erratic3a. Replace the batteries
The program will not change at my desired setting4a. Check that the time is set properly to AM and PM.
4b. Make sure the thermostat is not in permanent override mode.
4c. Check that the day setting is correct
The heating or cooling will not turn on or off5a. Make sure the thermostat is not in permanent override mode.
5b. Wait. There may be as much as a 4-minute delay before the system turns on or off to protect the compressor.
5c. Check circuit breakers and switches to ensure there is enough power to the system.
5d. Replace batteries.
5e. If applicable, make sure the furnace blower door is closed properly.
5f. If your system has 4 wires, ensure the jumper is installed between the RC and RH terminals
The display comes on but does not stay illuminated6a. Replace batteries
My system continues to operate when the thermostat is in the off position7a. Replace unit
The touch screen permanently reads SYSTEM ERROR8a. If ERR message remains after battery replacement, then replace unit

Hunter Set & Save 47200A thermostat troubleshooting

ProblemSolution
No Display1. Check battery connections and batteries.
2. Press RESET button with a small pin and hold in for two seconds.
Entire Display Dims1. Replace Batteries
Program Does Not Change at your Desired Setting1. Check that the time is set properly to "AM" or "PM".
2. Check that the thermostat is not in Permanent HOLD mode.
3. Check for the correct day setting.
Auto Fan Does Not Turn On Properly1. Move HG/HE selector to correct position.
Heating or Cooling Does Not Go On or Off1. Check that the function switch is in the correct position ("HEAT" or "COOL").
2. There may be as much as 4-minute delay before the system turns On - wait and check. (Compressor protection delay.)
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 non-heat pump system only uses 4-wires, be sure the jumper wire is installed between the RC and RH terminals.
7. Check the position of the System Selector switch: Standard or Heat Pump.
Erratic Display1. Press the reset button once with a small pin and hold for two seconds. Then reprogram.
Erratic Display1. Press the reset button once with a small pin and hold for two seconds. Then reprogram.
If unit continues to operate in the Off position1. Replace unit.
Thermostat permanently reads "HI", "LO", or "ERR"1. Replace unit.