Can You Do?
When a unit malfunctions, these are
some steps a homeowner can take.
Heat won't shut off
- First turn
the thermostat to "off" and wait a few minutes to see if it shuts off.
If the house in getting uncontrollably hot, SHUT THE
GAS OFF first.
This can be done at the house meter or at the furnace
Shutting off the electricity first could cause fire
by allowing heat to build up at the furnace.
Unit not cooling
Roof Unit (packaged)
If the unit sounds normal:
If the unit is dead:
- Check the 2
pole circuit breaker. (only one serves the entire unit)
If the unit sounds abnormal:
- Shut the
unit off to avoid further damage.
Split Unit (furnace separate from condensing unit) (condensing unit
- Use above
instructions EXCEPT there are TWO electrical circuit breakers.
One breaker serves the furnace, which is one pole and
will kill the entire system if it is off.
The other breaker serves the outside unit and may be
off if only the outside unit is dead.
Unit Not Heating