PCB Care

Blue Star F2 Error Code

IDU Coil Temp Sensor Error.

ac · BO-5CNHW12QATU/QATX, BO-5CNHW18QATU/QATX
IDU Coil Temp Sensor Error

Cause: Indoor coil temperature sensor open/short

How to fix: Check sensor resistance, replace indoor coil sensor if faulty.

Blue Star boards that may fix F2

If the board is the cause, these refurbished Blue Star boards are in stock. Match the part number before you order.

Other Blue Star codes

b5b7C5E0E1E2E4E5E6E8ECEE