Daikin Electrical Overcurrent / Short Circuit

Daikin unit trips the circuit breaker when starting or shortly after

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 fan motor, Damaged power wiring, Faulty inverter module causing inrush overcurrent

How to Fix / Troubleshooting

Safety first: Do not repeatedly reset a breaker that trips immediately; this is a fire and shock hazard. Leave the breaker OFF and call a professional.

Technician tasks:

Insulation resistance testing of compressor and motors.
Inspect wiring for shorts to ground or between conductors.
Test and replace faulty compressor, fan motor, or inverter PCB as required.

Repair Difficulty

Professional Required 5/5

Required Part

Compressor / Fan Motor / Inverter PCB

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