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My Emergency Heat Light is On

You rely on signs and signals to help you interpret the world around you. Just as a stop sign tells you to brake, your emergency heat light tells you to stop and investigate. If your thermostat’s emergency heat light comes on frequently, that's an indication that the heat pump unit isn’t working efficiently.

Why Your Emergency Heat Light Turned On

Your system is telling you there's an HVAC issue that requires your attention. Here's what you should check.

Potential Issues

  • emergency heat light is on
  • HVAC unit is shut off
  • heating unit won't turn on
  • air conditioner won’t turn on

The control board is crucial for your comfort at home. The board (or panel) has a lot of responsibility, including turning your system on and off, processing system commands, and letting you know when there's an issue. If the control board fails, your entire HVAC system will shut down because the entire system relies on it. A malfunction in the control panel could be a result of faulty wiring, a loss of electrical power to the system, or a burnout of the control board itself. If your HVAC system is not working properly (you notice things like poor airflow or inconsistent temperatures), check the control board. When it malfunctions, you’ll see the panel light up with LED lights, or you might find burnt spots on the board. These are signs that it’s time for a decision to repair or replace the equipment.


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