Chigo High Temperature Protection of Compressor or IPM

Indoor unit shows P2 and compressor operation is restricted; unit may stop.

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

Blocked outdoor coil on Chigo condenser, Failed outdoor fan motor, Poor thermal contact between IPM and heatsink, Faulty temperature sensor on heatsink or compressor shell

How to Fix / Troubleshooting

Safety first: Turn off power before cleaning or opening the outdoor unit.

Step 1 – Clean outdoor coil and ensure airflow: Remove debris and wash the coil.
Step 2 – Check outdoor fan: Verify that the fan runs at full speed. Replace the outdoor fan motor if needed.
Step 3 – Technician tasks: A professional should inspect the heatsink temperature sensor and thermal compound, and replace the outdoor PCB if overheating is due to IPM issues.

Repair Difficulty

Hard 4/5

Required Part

Outdoor Fan Motor

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