Indoor unit displays P2 and may stop cooling or heating.

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

Dirty outdoor coil, Outdoor fan not running properly, Overcharged or undercharged refrigerant, High ambient temperature with poor ventilation

How to Fix / Troubleshooting

Safety first: Turn off power at the outdoor disconnect.

Steps:

Clean outdoor coil: Gently wash the condenser coil fins to remove dirt and lint.
Check outdoor fan: Confirm the outdoor fan motor starts and runs at full speed when cooling is commanded.
Improve ventilation: Ensure the outdoor unit has adequate clearance and is not installed in a confined space.

Technician tasks: If P2 continues, a technician should check refrigerant charge, compressor amperage, and possibly replace the discharge temperature sensor or outdoor PCB.

Repair Difficulty

Hard 4/5

Required Part

Outdoor Fan Motor

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