Blue Star P3 Error Code
Drive Phase Current Overload Fault.
ac · BO-5CNHW12QATU/QATX, BO-5CNHW18QATU/QATX
Drive Phase Current Overload Fault
Cause: Compressor drive phase current exceeded limit
How to fix: Check compressor load, winding resistance, and refrigerant charge.
Blue Star boards that may fix P3
If the board is the cause, these refurbished Blue Star boards are in stock. Match the part number before you order.

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