PCB Care

Blue Star U8 Error Code

Disconnection of Exhaust Temperature Sensor.

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Disconnection of Exhaust Temperature Sensor

Cause: Exhaust/discharge sensor wire disconnected

How to fix: Check sensor connector and wiring for disconnection.

Blue Star boards that may fix U8

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