Blue Star L4 Error Code
Phase Current Sampling Abnormal.
ac · BO-5CNHW12QATU/QATX, BO-5CNHW18QATU/QATX
Phase Current Sampling Abnormal
Cause: Current sampling circuit fault on outdoor PCB
How to fix: Check current sensor/shunt on outdoor PCB, replace PCB if faulty.
Blue Star boards that may fix L4
If the board is the cause, these refurbished Blue Star boards are in stock. Match the part number before you order.
Bluestar F35BS 1 Ton Outdoor PCB
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Bluestar MIV50BS 1.5 Ton Inverter PCB
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Bluestar Godrej GRJ554-A V1 2013
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Bluestar Godrej GRJ519-A3 V1 Non Inverter PCB
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