Blue Star E8 Error Code
Zero Crossing Error.
ac · BO-5CNHW12QATU/QATX, BO-5CNHW18QATU/QATX
Zero Crossing Error
Cause: Zero-crossing detection circuit fault on PCB
How to fix: Check zero-crossing detection circuit on indoor PCB, replace PCB if faulty.
Blue Star boards that may fix E8
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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