27
The fan does not start
The fan is newly installed and has never been
started
• Check that the fan impeller runs freely by spinning it.
• Check the position of the safety switch. It should be
in position I, which corresponds to On.
• Remove the cover and disconnect the power
supply to the fan by moving the safety switch to 0.
Then return the switch to I.
• Check that there is voltage at terminal block L.
(To be done by electricians only.)
• Check that neutral is properly connected by
measuring the voltage across L-N.
(To be done by electricians only.)
If the fan still fails to initiate the startup sequence,
which involves the LEDs lighting up in sequence and
the motor starting after a short time, you can return the
fan as long as it is within the guarantee period and you
have a receipt. See Guarantee on page 24.
The fan has been in use for some time
Check that the fan impeller runs freely by spinning it.
Remove the cover and restart the fan by turning the
safety switch off and then on again. Leave the fan
switched off for about 3 seconds before switching it
back on.
If the LEDs light up in sequence but the motor does not
start, you can return the fan as long as it is within the
guarantee period and you have a receipt. See Guaran-
tee on page 24.
The fan has been cleaned
Check that the fan impeller runs freely by spinning it.
Check the position of the safety switch. It should be
in position I, which corresponds to On.
TROUBLESHOOTING GUIDE »
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