An error detection signal of FM14 is detected continuously for a specified period of time while the humidification section paper fan (FM14) is ON.
Measures to take when alert occurs:
- Power supply fan (FM14)
- DC power supply (DCPS)
- The message "Please call service" is displayed on the panel.
Solution:
- Check the connector connection and the wiring between DCPS and the fan, and repair it if any abnormality.
- Check the connector connection and the wiring between HMDB and RUCB, and repair it if any abnormality.
- Rotate the fan by hand, and repair it if there is any abnormality. (Wiring diagram: RU-509: 6-I).
- Replace FM14.
- Replace DCPS.
