Circuit breakers can malfunction but it s rare.
Fuse box trip switch will not reset.
If you are trying to reset it just by pushing the switch back to the on position it will just pop back to the middle again.
You have to push the switch all the way to the off position then back to on in order to reactivate the circuit.
If you do not have a reset switch you can turn off your air conditioner at the thermostat and wait for 5 minutes before turning it back on.
Your circuit breaker won t reset because you may have too many heavy loads plugged into receptacles or electrical outlets on that particular circuit.
Most circuit breakers come with an orange or red marker window indicating that it has tripped.
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Identify the tripped breaker.
Turn off and unplug the appliance.
In the case of circuit breakers the immediate answer is to find the breaker that has tripped and reset the lever to the on position.
The only option is to remove the faulty breaker from the panel and replace it.
When a breaker won t reset the problem is usually a bad connection or ground fault in the circuit.
If you do isolate the problem to a bad breaker you can t repair it.
If the switch trips again you ll know it s the last appliance that you plugged in and switched on.
When a fuse blows a metal filament inside the fuse has burned through meaning that you ll need to replace the fuse with a new one.
If you re lucky enough to have a unit with a reset switch located near the outside unit all you need to do is simply press the switch.
Once reset plug your appliances back in one at a time and switch them back on.
Unplug all of your appliances and try resetting the fuse switch.