Code: C-0548
Classification: PF: PF power source abnormality
Cause:
2nd tandem PF-703 paper suction fan /6 (FM18) rotation abnormality.
The FM18EM error detection signal is detected twice in succession within a specified period of time after FM18 was turned ON. However, an error detection signal (blowout of ICP) is not detected.
Measures to take when alert occurs:
The main body and the option stop immediately.
Estimated abnormal parts:
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Paper suction fan /6 (FM18: PF-703)
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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: 19-L).
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Replace FM18.
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Replace PFUDB.