Code: C-0521
Classification: PF: PF power source abnormality
Cause:
1st tandem PF-703 paper suction fan /4 (FM16) power abnormality.
The FM16EM error detection signal is detected twice in succession within a specified period of time after FM16 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:
- Paper suction fan /4 (FM16: PF-703)
- PF drive board (PFUDB: PF-703)
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 or I/O by hand, and repair it if any abnormality. (Wiring diagram: PF-703: 16-L).
-
Replace FM16 and PFUDB.