PCB Care

Blue Star PU Error Code

Capacitor Charge Malfunction.

ac
Capacitor Charge Malfunction

Cause: DC bus capacitor not charging correctly

How to fix: Check bus capacitor, charging resistor, and rectifier circuit.

Blue Star boards that may fix PU

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