Sharp
Electrical Overload or Short Circuit
Unit trips the circuit breaker when starting or during operation.
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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.
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Possible Causes
Shorted compressor or fan motor, Shorted wiring to chassis, Overloaded circuit shared with other appliances, Faulty inverter power module
How to Fix / Troubleshooting
Safety first: Do not repeatedly reset a breaker that trips. Turn off the breaker and leave the unit off until inspected.
- Check circuit loading: Ensure the AC is on a dedicated circuit of the correct rating as specified by Sharp.
- Visual inspection: With power off, inspect indoor and outdoor wiring for signs of burning, melted insulation, or wires touching metal parts.
- Isolate components: A technician can disconnect motors and compressor to identify which component is causing the trip.
- Component replacement: Replace any shorted motor, compressor, or damaged PCB as identified by testing.
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Repair Difficulty
Professional Required
5/5
Required Part
Compressor / Fan Motors / Outdoor Inverter PCB
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