PCB Care

Blue Star E0 Error Code

IDU EEPROM Error.

ac · BO-5CNHW12QATU/QATX, BO-5CNHW18QATU/QATX
IDU EEPROM Error

Cause: Indoor unit EEPROM data corrupted or chip failure

How to fix: Reflash or replace indoor unit EEPROM chip.

Blue Star boards that may fix E0

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

b5b7C5E1E2E4E5E6E8ECEEEU