PCB Care

Blue Star E5 Error Code

AC Input Over Current Protection.

ac · BO-5CNHW12QATU/QATX, BO-5CNHW18QATU/QATX
AC Input Over Current Protection

Cause: Input current exceeds safe threshold

How to fix: Check compressor current draw, refrigerant overcharge, or shorted winding.

Blue Star boards that may fix E5

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

b5b7C5E0E1E2E4E6E8ECEEEU