drexel und weiss aerosilent topo Exploitation, maintenance, mise en service - Page 12

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Faults/messages

If faults occur or messages are issued, they are displayed instead of the date and time

and the background illumination of the display ﬂ ashes.

"Störung Venti." (Fan fault)

This error message appears if a fault occurs on one of the two fans. For safety reasons,

the second fan is also deactivated.

Please contact your authorised technician.

"Filterwechsel" (Filter change)

The 3-stage timer includes a background counter that monitors the service life of the ﬁ l-

ters and prompts you to change them when necessary.

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Operating, Maintenance, Commissioning