Blue Star U7 Error Code
4-Way Valve Reversal Abnormal.
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4-Way Valve Reversal Abnormal
Cause: 4-way reversing valve failed to switch correctly
How to fix: Check 4-way valve coil and mechanical operation.
Blue Star boards that may fix U7
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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