Blue Star PH Error Code
AC Overvoltage & Undervoltage Protection.
ac · BO-5CNHW12QATU/QATX, BO-5CNHW18QATU/QATX
AC Overvoltage & Undervoltage Protection
Cause: Supply voltage outside safe operating range
How to fix: Check incoming mains voltage with meter, install stabilizer if voltage fluctuates.
Blue Star boards that may fix PH
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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