41
HED-HCAT SE FREE COOLING
ENGLISH
TROUBLESHOOTING
A
I
U
Check presence of power
Mains power failure
Clean the filter
Obstructed mesh filter
Remove the obstacles
Obstructed air flow
Check
Incorrect water temperature
Check
Contact between metal parts
Tighten the screws
Loose screws
Bleed
Presence of air
Check fan motor
Faulty fan
Check room control
Room control regulation
Check room control
Faulty room control
Check fuse on terminal block
On-off switch on “Off”
Put to “On”
PROBLEM
CAUSE
REMEDY
Insufficient cooling
The fan does not activate
Noise and vibration