PCB Care

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.

Other Blue Star codes

b5b7C5E0E1E2E4E5E6E8ECEE