HVAC Troubleshooting - Schedule an Online Appointment - Trane® (2024)

Possible cause: Your circuit breaker tripped
Solution: Turn off your HVAC system, find the circuit breaker, and reset the system by flipping the switch off and back on.

Possible cause: Your thermostat is set incorrectly.
Solution: Lower the temperature on your thermostat, then wait to see if you feel a change. Or, try turning the thermostat off and back on, then resetting the temperature.

Possible cause: Your system is blocked by debris or contaminants.
Solution: Clear any excess debris you can safely remove from the outside area surrounding your system. Do not attempt to clear any debris inside the system.

Possible cause: Your HVAC system is the wrong size for your home.
Solution: Contact an HVAC professional to accurately assess the temperature needs for your home, and discuss investing in a properly sized system if needed.

Possible cause: Your HVAC system is switching between heating and cooling too frequently
Solution: Consider investing in a smart thermostat that allows you to schedule your heating and cooling based on your changing needs. Or, create zones in your home for temperature control.

Possible cause: Your thermostat is working overtime to maintain the temperature you set.
Solution: Try to set your thermostat to a temperature similar to the one outside. If the temperature inside is drastically different than outside, your thermostat has to work harder to maintain it.

Possible cause: Your HVAC system is the wrong size for your home.
Solution: Contact an HVAC professional to accurately assess the temperature needs for your home, and discuss investing in a properly sized system if needed.

Possible cause: Your thermostat is set incorrectly.
Solution: If you set your thermostat too low in the summer, or too high in the winter, your system will have to continously run to reach and maintain your settings. Try setting a moderate temperature instead.

Possible cause: A part of your system is malfunctioning.
Solution: Faulty coils, fans, switches and more could result in your HVAC system not receiving the message to stop heating or cooling. Contact an HVAC professional to troubleshoot further.

Possible cause: The fuel source is shut off.
Solution: Check your system’s shut-off valve to make sure it wasn’t accidentally switched. If the shut-off valve is on, turn it off.

Possible cause: Your circuit breaker tripped.
Solution: Turn off your HVAC system, find the circuit breaker, and reset the system by flipping the switch off and back on.

Possible cause: Your thermostat is set incorrectly.
Solution: Raise the temperature on your thermostat, then wait to see if you feel a change. Or, try turning the thermostat off and back on, then resetting the temperature.

Possible cause: The filters in your HVAC system are dirty.
Solution: Follow the directions in your owner’s manual to change your filters.

Possible cause: A coil or another crucial component of your HVAC system is dirty or blocked.
Solution: Turn your system off and contact an HVAC professional to troubleshoot further.

Possible cause: Your vents are clogged or covered.
Solution: If you have central heating and cooling, and can safely reach the vents throughout your home, make sure none of them are covered or closed. Plus, unscrew them and gently wipe away any dirt or debris hiding underneath.

Possible cause: The batteries in your thermostat are dead.
Solution: Turn your thermostat off, open it up, replace the batteries, and try resetting the temperature.

Possible cause: Your thermostat is locked.
Solution: To unlock a Trane thermostat, press the plus (+) and minus (-) keys at the same time for 3-4 seconds. Then, try resetting the temperature.

Possible cause: Your thermostat is dirty.
Solution: Turn your thermostat off, remove the cover, and gently wipe away any dust or dirt underneath with a cloth. Then, replace the cover and reset the temperature.