Operation
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 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.
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