Code: C-0382
Classification: PF: Fan abnormality
Cause:
2nd tandem PF-703/706 cooling fan power abnormality.
PF-703: The FM19EM and FM20EM 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. At this time, an error detection signal (blowout of ICP) is detected.
PF-706:The FM7 EM error detection signal is detected twice in succession within a specified period of time after the PF cooling fan (FM7) was turned ON. At this time, an error detection signal (blowout of ICP) is detected.
Measures to take when alert occurs:
The main body and the option stop immediately.
Estimated abnormal parts:
- PF cooling fan /1 (FM19: PF-703)
- PF cooling fan (FM7: PF-706)
- PF cooling fan /2 (FM20: PF-703)
- PF drive board (PFUDB)
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, FM20 and PFUDB at a time: PF-703. Replace FM7 and PFUDB at a time: PF-706.