Code: C-0360
Classification: PF: Fan abnormality
Cause:
1st tandem PF-703/706 cooling fan rotation abnormality 1.
PF-703: The FM19 EM and FM20 EM error detection signals are detected twice in succession within a specified period of time after the PF cooling fan /1 and /2 (FM19 and FM20) were turned ON. However, an error detection signal (blowout of ICP) is not detected.
PF-706: The FM20 error detection signals are detected twice in succession within a specified period of time after the PF cooling fan (FM7) turns ON. However, an error detection signal is not detected.
Measures to take when alert occurs:
The main body and the option stop immediately.
Estimated abnormal parts:
- PF cooling fan (FM7: PF-706)
- PF cooling fan /1 (FM19: PF-703)
- PF cooling fan /2 (FM20: PF-703)
- PF drive board (PFUDB: PF-703/706)
Correction:
Turn OFF/ON the power switch (SW2) of the main body when releasing an abnormal condition.
Note: The message "Please call service" is displayed on the panel.
Solution:
- Check the connector connection and the wiring between PFUDB 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: PF-703: 22-F, 23-F, PF-706: 8-H).
- Replace FM19 and FM20: PF-703 Replace FM7: PF-706
- Replace PFUDB.