HVAC Troubleshooting Guide

HVAC Troubleshooting Guide

Keep your HVAC system up and running with these convenient tips that address common operational issues. If these simple steps do not solve your problem contact us!

GAS FURNACE TROUBLESHOOTING GUIDE

  1. Is your thermostat set in the “heat” position?
  2. Is the temperature setting on the thermostat set higher than the thermostat’s indoor temperature?
  3. Is the power turned on for your furnace? (At the thermostat, turn the fan to “ON.” The fan should run when power is being supplied to furnace.)
  4. Did the circuit breakers in the circuit breaker box (or electrical panel) trip to the “OFF” position?

 

AIR CONDITIONING TROUBLESHOOTING GUIDE

  1. Is your thermostat set in the “cool” position (or “warm” for winter heat pump operation)?
  2. If so, is your outdoor air conditioning or heat pump unit running?
  3. Did the circuit breakers in the circuit breaker box (or electrical panel) trip to the “OFF” position?
  4. Is the outdoor “disconnect switch” on your outdoor unit in the “ON” position? (The disconnect switch is usually a small metal grey box mounted on a wall near the outdoor unit.)
  5. Is the blower motor in your furnace or air handler running when your thermostat is activated? (Make sure the furnace switch is in the “ON” position.)
  6. Have you changed your filter? (A blocked filter can cause your unit to shut down due to lack of proper airflow.)
  7. Are the air registers (supply or return ducts) plugged?

 

REFRIGERATION TROUBLESHOOTING GUIDE

  1. Is the unit plugged in and check to make sure the breaker is not tripped
  2. Are the fans inside of the cooler or freezer running
  3. Is the outdoor unit running and is the disconnect in the on position
  4. Is the indoor coil clear of frost, ice , or debree
  5. Is the unit going through a defrost cycle