LAB1283R, Issue 2, Apr 2017
Page 28
‘Fail (fan 1)’ displayed on the
controller LCD screen
•
Check the electrical connections for fan 1 on
the main PCB. There are four connections at
the top of the board for control and three at
the bottom of the board for power
•
By removing the exhaust duct connection,
check there is nothing obstructing fan 1
‘Fail (fan 2)’ displayed on the
controller LCD screen
•
Check the electrical connections for fan 2 on
the main PCB. There are four connections at
the top of the board for control and three at
the bottom of the board for power
•
By removing the supply duct connection,
check there is nothing obstructing fan 2
Little or no air is extracting or
supplying through the room
valves
•
Check that the filters have been removed from
the pre-commissioning protective covers
•
Check that the filters are not blocked
•
Check that the system has been
commissioned correctly
•
By removing the exhaust and supply duct
connections check there is nothing obstructing
the fans
The unit is excessively noisy
•
Check that the system has been
commissioned correctly
•
By removing the exhaust and supply duct
connections check there is nothing obstructing
the fans
7.2
If the fault/faults cannot be resolved using the table in section 7.1, contact the Domus
Ventilation Customers Services team on 03443 715523.
LAB1283R, Issue 2, Apr 2017
Page 5
7.0 Faults
Page 26
7.1 Fault finding
Page 26
7.2 Contact details
Page 26
8.0 Warranty
Page 28
V E N T I L A T I O N
V E N T I L A T I O N
