Classification: PF: Power abnormality
Abnormality of the power for SD or CL inside the PF drive board (PFUDB) of the 3rd tandem PF-703.
At the start, the error detection signal of the PFUDB solenoid ICP blowout or the PFUDB clutch ICP blowout is detected.
Measures to take when alert occurs:
The main body and the option stop immediately.
Estimated abnormal parts:
- PF drive board (PFUDB: PF-703)
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.
- Check the connector connection and the wiring on PFUDB, and repair it if any abnormality.
- Check the drive and the coupling of the solenoid and the clutch connected to PFUDB, repair/ replace it if any abnormality, and then replace the PFUDB.
- Replace PFUDB.
- If the same error cord occurs even after replacing PFUDB, replace the connected solenoid, the clutch and PFUDB at a time.