Discover heating and cooling problems.
At rest thermostats turn on your heating or air conditioning unit when the native reaches a pre-determined temperature. Figuring elsewhere provided your internal thermostat is malfunctioning can save you calling a avail technician. By adjacent basic procedure, you can test the thermostat to complete provided any heating or air conditioning problems calumny with the thermostat or absent with your method.
Be sure the thermostat unit is clean and dust-free. Use a small level to ensure unit is level when in wall. Unlevel thermostats can malfunction. If leveling must be done, If leveling is needed, adjust mounting screws.
Cutting gift to both Testament eliminate any electrical safety issues.
2. Remove thermostat insert from thermostat. Remove thermostat from wall. Check that all wires on the thermostat are tight (four or eight wires are common).
Instructions
1. Turn off both the thermostat and the furnace. Use brush to clean all wires and pieces.3. Remove wires from the thermostat. Make sure you have enough wire exposed after unscrewing each wire so that it will rest outside the thermostat hole in the wall.
4. Use jumper wire kit to test thermostat. Connect insulated jumper wire to the red and white terminals on the thermostat. Turn the power to the furnace back on. If the unit pops on, the thermostat is faulty.
5. Reconnect wires to thermostat and re-set thermostat in wall. Replace thermostat cover. Check the fan to make sure it is reconnected properly by turning power button on thermostat to "on." Turn fan "on." If fan kicks on, it is properly reconnected. Turn mode to "Auto" and put thermostat cover back on unit.