Blue Star F4 Error Code
ODU Coil Temp. Sensor Error.
ac · BO-5CNHW12QATU/QATX, BO-5CNHW18QATU/QATX
ODU Coil Temp. Sensor Error
Cause: Outdoor coil temperature sensor open/short
How to fix: Check sensor resistance, replace outdoor coil sensor if faulty.
Blue Star boards that may fix F4
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 Godrej GRJ554-A V1 2013
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Bluestar Godrej GRJ519-A3 V1 Non Inverter PCB
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