Why Is My Heat Pump Tripping the Circuit Breaker?

Heat pumps can cause your circuit breaker to trip for a variety of reasons. Though it might be frustrating, remember your circuit breaker is there to protect you. If your heat pump were to keep running without being tripped, it may cause an electrical fire! For this reason, don’t reset your circuit breaker more than once. A one-time trip may just be a fluke, but repeated tripping indicates an error that needs to be corrected.

To help you identify potential problems, Kimbro Air came up with five of the most common reasons heat pumps trip circuit breakers:

1. Dusty Air Filter
When you don’t replace your air filter for months, dust and debris clog it. This restricts airflow and sends your heat pump’s components into overdrive. Because they’re working extra hard, they use an excess amount of electricity. As a result, the circuit breaker trips.

2. Covered-Up Vents
It’s important to give your vents ample room to circulate air. But sometimes we get carried away decorating our homes and end up blocking our vents. Like a dusty air filter, this restricts airflow leading to an overload. Be sure to place couches, carpets, and curtains away from your vent openings. Let them breathe!

3. Dirty Condenser Coils
When your heat pump’s condenser coils get dirty, the unit has to work at a higher capacity to produce the same amount of heating or cooling. Subsequently, this can produce an overload, which trips the circuit breaker. To avoid this, be sure to schedule maintenance at least once a year. During the visit, a technician will clean debris off of your condenser coils. That way, you’ll lower the risk of any future issues.

4. Motor Problems
If the blower motor has any friction (rust on the bearings, poor balance, and so forth), this can cause it to run poorly. Often, it will pull more electricity than necessary. This overload will trip your circuit breaker. If your motor is making unusual sounds, this may be what’s happening. Let your technician take care of this one.

5. Electrical Problems
Frayed or faulty wiring could be the source of the problem, as it often causes short circuiting. Additionally, the culprit could be your circuit breaker itself. Older circuit breakers may give you a false reading. If you’ve noticed other appliances tripping the circuit breaker, it may not be your heat pump’s fault after all. Contact an electrician if you believe this to be the case.

Need your heat pump fixed? We can help! Our licensed technicians are proud to perform heating repairs, maintenance, and installations here in the Hendersonville, TN, area. Kimbro Air today at 615-527-8576 to schedule a visit.


Kimbro Air proudly provides HVAC service to Hendersonville, Nashville, Bellevue, Bordeaux, Brentwood, Franklin, Gallatin, Goodlettsville, Hermitage, Madison, Mt. Juliet, White House and the surrounding communities. Visit our service area page for more coverage details, call us at 615-527-8576, or request service online today.

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