Domus SPR418 Manual de instrucciones de instalación y funcionamiento - Página 15
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V E N T I L A T I O N
'Fail (fan 1)' displayed on the
controller LCD screen
'Fail (fan 2)' displayed on the
controller LCD screen
Little or no air is extracting or
supplying through the room
valves
The unit is excessively noisy
If the fault/faults cannot be resolved using the table in section 7.1, contact the Domus
7.2
Ventilation Customer Service Team on 03443 715523.
LAB1306R, Issue 1, March 2018
LAB1199R, Issue 4, Apr 2017
• 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
• 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
• 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
• Check that the system has been
commissioned correctly
• By removing the exhaust and supply duct
connections check there is nothing obstructing
the fans
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