PCB Care

Blue Star H0 Error Code

Heating Anti-High Temp Drop Frequency.

ac
Heating Anti-High Temp Drop Frequency

Cause: Heating mode temperature limit reducing frequency

How to fix: Check indoor coil temp sensor and airflow during heating mode.

Blue Star boards that may fix H0

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