Indoor unit displays P1; unit may stop during operation, often in cooling mode.

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

Outdoor coil blocked or dirty, Outdoor fan not running, Overcharged refrigerant, Non-condensable gases in system

Safety: High-pressure refrigerant is dangerous. Do not tamper with service valves or refrigerant lines.

1. Clean outdoor coil: Remove debris and wash the coil gently with water.
2. Verify outdoor fan operation: Ensure the fan runs whenever the compressor is on. If not, see outdoor fan motor fault.
3. Ensure clearance: Maintain adequate space around the outdoor unit for heat rejection.
4. Professional service: If P1 recurs, a technician should check system pressures and refrigerant charge.

Hard 4/5

Outdoor Fan Motor

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