PCB Care

Blue Star b5 Error Code

Inlet Tube Sensor Malfunction.

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Inlet Tube Sensor Malfunction

Cause: Inlet pipe temperature sensor open/short

How to fix: Check sensor resistance, replace inlet tube sensor if faulty.

Blue Star boards that may fix b5

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

b7C5E0E1E2E4E5E6E8ECEEEU