Code: C-1294
Classification: RU: RU-509 abnormality
Cause:
The home position search operation of the humidification section roller pressure motor /Rt (M9) does not complete within a specified period of time.
Measures to take when alert occurs:
The main body and the option stop immediately.
Estimated abnormal parts:
- Humidification section roller pressure motor/Rt (M9)
- HM drive board (HMDB)
- RU control board (RUCB)
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 humidification section, and clean/repair it if any abnormality.
- Check the connector connection and the wiring between HMDB and the motor, and repair it if any abnormality.
- Check the connector connection between HMDB and RUCB, and repair it if any abnormality.
- Check the I/O drive of the motor and the coupling of the gear, and repair or replace it if any abnormality. (Wiring diagram: RU-509: 15-O)
- Replace M9.
- Replace HMDB.
- Replace RUCB.