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.

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