Tristar Overcurrent / Electrical Short

Unit trips the circuit breaker shortly after starting.

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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, Shorted fan motor, Damaged power cable, Internal short on PCB

How to Fix / Troubleshooting

Safety first: Do not repeatedly reset a breaker that trips immediately; this is a fire risk.

Steps to try:

  • Inspect power cable and plug: For portable/window units, look for damage or overheating.
  • Check for water ingress: Ensure no water is leaking onto electrical components.

When to call a technician: A breaker that trips on startup indicates a serious fault that must be located and repaired by a qualified technician.

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Repair Difficulty

Professional Required 5/5

Required Part

Compressor
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