Like many other household systems, the furnace has a fuse to safeguard the circuit board and transformer from a potential short or overload. Nonetheless, the fuse can experience various issues, with the most common one being frequent blowing. But what exactly causes the furnace to blow?

1. Dirt and Dust Buildup

Excess debris in your furnace, especially dirt and dust, can keep the fuse blowing. Dirt and dust accumulated in your furnace can move from the filter to the blower motor, making it overheat over time. This will eventually make the motor burn out, forcing the fuse to blow out to turn the furnace off.

2. Loose Wire Connections

A furnace naturally vibrates when running. The vibration can loosen electrical wiring. As a result, your fuse will experience a shortage of electrical supply, encouraging it to blow. Routine maintenance to tighten the furnace’s electrical wiring is vital to prevent the fuse from blowing because of a short.

3. Water Leaks

Your furnace can have water leak issues as a result of a compromised humidifier, a tilted pipe, and other related problems. If left unresolved, the leak can create a short circuit in your furnace, potentially causing the fuse to blow. The issue can also create a fire hazard, hence, the need to have your furnace fixed by a pro as soon as you notice it leaks water.

4. Old or Faulty Parts

The fuse can also keep blowing if some of your furnace’s components are old or faulty. For instance, a failing capacitor may cause recurrent electrical problems whereas a damaged blower may draw excess power and cause a short. In addition, compromised valves may cause overheating while a damaged transformer may fail to convert voltage and cause a short.

Expert Furnace Services

At Frinj Energy-Heating & Air Conditioning, Inc., we deliver unmatched heating and air conditioning repair, maintenance, and installation services to customers in Corona, CA, and its environs. Our company was founded on providing top-tier services and incredible customer care. We use advanced equipment, and our technicians undergo ongoing training to stay on top of the game.

Call us at Frinj Energy-Heating & Air Conditioning, Inc. today for all your furnace needs.

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