drexel und weiss aerosilent topo, Operating, Maintenance, Commissioning

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Operating, Maintenance, Commissioning
Page 12
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.