P2
Luxaire
Inverter Module Overheat Protection
Luxaire ductless/variable‑speed AC shows P2; compressor speed is limited or unit shuts down.
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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
Blocked airflow over inverter heat sink, Failed inverter cooling fan (if equipped), High ambient temperature, Degraded thermal compound on module
How to Fix / Troubleshooting
Safety: Disconnect power before opening inverter compartments.
- Clean electronics compartment: Remove dust and debris from around the Luxaire inverter heat sink and any small cooling fans using compressed air (low pressure) or a soft brush.
- Verify fan operation: If a dedicated electronics fan is present, ensure it runs whenever the compressor is operating. Replace if seized or noisy.
- Improve ventilation: Ensure the outdoor unit has adequate clearance and is not installed in a confined, unventilated space.
- Technician service: If P2 persists, a technician may need to re‑apply thermal compound or replace the inverter module.
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Repair Difficulty
Professional Required
5/5
Required Part
Inverter Module Cooling Fan
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