PCB Care

Blue Star L2 Error Code

Drive Phase Voltage Over-Low Protection.

ac · BO-5CNHW12QATU/QATX, BO-5CNHW18QATU/QATX
Drive Phase Voltage Over-Low Protection

Cause: Compressor drive phase voltage too low

How to fix: Check incoming voltage and PCB drive circuit.

Blue Star boards that may fix L2

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