Is your microwave repeatedly tripping the circuit breaker in your home? This can be incredibly frustrating, particularly after a long day when you just want to reheat some leftovers for an easy dinner! There are a few different things that may cause your microwave to trip the circuit breaker, and some of them are relatively easy to fix. Read on to find out what to do!
An overloaded circuit can happen when a circuit has more electricity flowing through it than it can safely handle. This leads to the circuit breaker tripping to avoid blowing a fuse. The most common cause of this is having too many appliances running on the same circuit, but it can also be caused by a single device that uses too much power for the circuit to handle.
To check if this is the issue with your microwave, have a look at how many appliances are plugged into the power outlet. Ideally, your microwave should be the only appliance plugged into the outlet, as microwaves tend to be high-use appliances. In some cases, multiple outlets may be on the same circuit.
To fix:
If the wiring in your house is faulty, it can lead to circuit breakers tripping even when they’re using a normal amount of electricity. Faulty wiring can mean damaged or deteriorated wiring, loose connections, or corroded screws. If your microwave is constantly tripping the circuit breaker—even when it seems to be functioning normally otherwise—and if you’ve determined the outlet isn’t overloaded, the wiring could be at fault.
To fix:
If the microwave itself is malfunctioning, this can cause it to draw too much power and trip the circuit breaker. This means that something within the microwave is faulty, causing an overload or short on the circuit.
This issue is more prevalent with older microwaves, as they tend to draw more power when internal components start to wear out. So if your microwave is getting on in years, it could be the cause of the tripping.
To diagnose this:
Once you’ve determined the microwave is at fault, you have two options—you can call in a professional technician, or you can get a new microwave. As this fault is more likely to happen in an older microwave anyway, in nearly all cases it will be more cost-effective to purchase a new one, especially as microwaves are relatively cheap compared to other appliances.
Note that the average lifespan for a microwave is 7-8 years, so if yours is older than this it might be time to bite the bullet and buy a new one!
A ground fault happens when the current flowing within an appliance (in this case, a microwave) goes off course and makes contact with the grounded part of the appliance. This can be very dangerous and lead to the risk of an electric shock if you touch the device. Your home’s electrical system will contain a Ground Fault Circuit Interrupter (GFCI) and trip the circuit as soon as it detects this.
If your microwave has a ground fault, you might find that it behaves erratically, sometimes working and sometimes not. You may find that it sometimes won’t turn on at all.
To fix this issue:
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