REINSERTING THE FILTER
1. Reinsert the filter until the locking mechanism
has clicked in securing the filter in the device.
2. Close the fan unit again with the back grid. Make
sure the back grid is set it correctly as the device
will otherwise not turn on.
TROUBLE SHOOTING
With regular use, the filter should be cleaned at
least once every 2 weeks. After some time without
cleaning, the filter can give off a continuous clicking
noise. When that happens it is necessary to clean
the filter according to the cleaning instructions.
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