Code: C-1353
Classification: RU: RU-509 abnormality
Cause:
Error detection signals of FM15, FM16 and FM17 are detected continuously for a specified period of time while the entrance paper fans/4 (FM15), /5 (FM16) and /6 (FM17) are ON.
Measures to take when alert occurs:
The main body and the option stop immediately.
Estimated abnormal parts:
- Entrance paper fan /4 (FM15)
- Entrance paper fan /5 (FM16)
- Entrance paper fan /6 (FM17)
- RU control board (RUCB)
Turn OFF/ON the sub power switch (SW2) on 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 RUCB 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: RU-509: 17-L, 18-L).
- Replace FM15, FM16 and FM17.
- Replace RUCB.