LAB1283R, Issue 2, Apr 2017
Page 28
‘Fail (fan 1)’ displayed on the
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
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 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
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
VENTILAT ION VENTILAT ION
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