Fraser-Johnston High Refrigerant Pressure Protection in Inverter System

P2 code, unit stops due to high pressure condition

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, Non-operational outdoor fan, Overcharged system, Blocked discharge line or condenser

Safety: Turn off power at the outdoor disconnect.

Clean condenser coil: Rinse coil thoroughly.
Check fan operation: Verify outdoor fan runs at commanded speeds. Replace fan motor or fan driver if not.
Clear obstructions: Ensure adequate clearance around the unit.
Technician tasks: If P2 persists, a professional should verify charge level and check for restrictions.

Hard 4/5

Outdoor Fan Motor

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