The high limit switch on your Heating System has tripped. Use this emergency troubleshooting guide.
Emergency: 778-909-5731Follow these emergency steps in order. If at any point you feel unsafe, evacuate and call for help immediately.
Safety First
If you smell gas, suspect carbon monoxide, or see sparks, evacuate immediately and call 911. Do not attempt to operate your system if you suspect a safety issue.
Turn off your Heating System and allow it to cool down for at least 30 minutes
Replace the Heating System air filter if dirty as poor airflow causes high limit trips
Check that all Heating System supply registers are fully open and not blocked
Verify the Heating System blower motor is operating at the correct speed
Call for Heating System service if the high limit continues to trip after addressing airflow
Our emergency team is available 24/7. Call now for immediate assistance.