Code: C-1134
Classification: ZU: ZU-608 abnormality
Cause:
An error detection signal of FM601 is detected continuously for a specified period of time while the main motor cooling fan (FM601) is ON.
Measures to take when alert occurs:
The main body and the option stop immediately.
Estimated abnormal parts:
- ZU control board (ZUCB)
- Main motor cooling fan (FM601)
Correction:
Turn OFF/ON the sub power switch of the main body.
Note: The message "Please call service" is displayed on the panel.
Solution:
- Check the connector connection and the wiring between ZUCB and the fan, and repair it if any abnormality.
- Rotate the fan by I/O or hand, and repair it if any abnormality. (Wiring diagram: ZU-608: 6-B).
- Replace FM601.
- Replace ZUCB.