Checking the elapsed operating time
Even before the maximum operating
time has been reached, you can check
what percentage of the time has
elapsed.
^
Press the On/Off button K to turn the
fan on.
^
Press the timer button [ –
–
once, to check the grease filter
operating time. The grease filter
symbol [ comes on.
At the same time one or more power
level indicators start flashing.
The number of flashing indicators
shows the elapsed operating time:
Indicator 1 ...................25%
Indicators 1 and 2 .............50%
Indicators 1 to 3 ...............75%
Indicators 1 to IS .............100%
The number of operating hours remains
stored when the ventilation system is
turned off or if the electric power supply
is interrupted.
Operation
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