Daitsu FMCD-04 - Troubleshooting

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SK2019 FMCD-V-ECM-001
Symptoms
Cause
Remedy
The fan coil does
not start up
No voltage
Mains switch in the “OFF
position
Faulty room control
Faulty fan
- Check for presence of
voltage
1. Check fuse on board
- Place in the “ON” position
- Check the room control
- Check fan motor
Filter clogged
Air flow obstructed
Room control regulation
Incorrect water temperature
Air present
Insufficient output
- Clean the filter
- Remove obstacles
- Check the room air sensor
- Check the water source
- Check the air vent
Contact between metal parts
Loose screws
Noise and
vibrations
- Check for loosening parts
- Tighten screws