Code: C-0368
Classification: PF: Fan abnormality
Cause:3rd tandem PF-703 cooling fan rotation abnormality 2.
The EM error detection signal of the FM21 is detected twice in succession within a period of time after the PF cooling fan /3 (FM21) was activated with the front door closed. At this time, an error detection signal (blowout of ICP) is also detected.
Measures to take when alert occurs:
The main body and the option stop immediately.
Estimated abnormal parts:
- PF cooling fan /3 (FM21: PF-703)
- PF drive board (PFUDB)
Correction:
Turn OFF/ON the power switch (SW2) of the main body when releasing an abnormal condition.
Note: "Please call service" is displayed on the touch panel.
Solution:
- Check the connector connection and the wiring between PFUDB and the fan, and repair it if any abnormality.
- Rotate the fan or I/O by hand, and repair it if any abnormality. (Wiring diagram: PF-703: 23-F).
- Replace FM21 and PFUDB.