MrCool Electrical Overload or Short Circuit

Unit trips the breaker immediately or shortly after starting.

Safety Warning

This repair may involve working with high voltage components or water connections. Always unplug the appliance before removing any panels.

If you are not confident in your ability to perform this repair safely, we strongly recommend contacting a professional technician.

Possible Causes

Shorted compressor, Shorted outdoor fan motor, Damaged wiring, Incorrect breaker size or wiring gauge

How to Fix / Troubleshooting

Safety first: Do not repeatedly reset a breaker that trips. This is a fire risk.

Steps:

Inspect wiring: With power OFF, inspect the indoor and outdoor electrical compartments for burnt wires or obvious shorts.
Check breaker size: Verify the breaker rating matches the MrCool unit's nameplate requirements.

Professional repair: A technician should test the compressor, outdoor fan motor, and wiring insulation resistance, and correct any electrical faults.

Repair Difficulty

Professional Required 5/5

Required Part

Outdoor Fan Motor

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