Page 36 of 36
AER.MIU.HWN2EC.01.03/14
E.
Troubleshooting Guide
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
-
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
