Filter operating hours counter
The number of hours the appliance has
been in operation is stored in memory.
The operating hours counter tells you
when the grease filters or charcoal filter
need to be cleaned or replaced.
Resetting the operating hours
counter for the grease filters
After 30 hours of operation (or another
time if the operating hours counter has
been altered), the grease filter indicator
lamp will light up. The grease filters
must then be cleaned.
Afterwards, the grease filter operating
hours counter must be reset.
^
To do this, press and hold the grease
filter control for approx. 3 seconds
while the fan is switched on.
The indicator lamp for the control will
go out.
Reading the operating hours counter
for the grease filters
To check the percentage of time set
already used:
^
Press the On/Off control to switch the
fan on.
^
Press and hold the grease filter
control.
One or more of the indicator lamps for
the
–
/
+
controls will flash.
The number of flashing lamps shows
the percentage of the operating time
which has already been used up.
1 lamp
=
25 %
2 lamps
=
50 %
3 lamps
=
75 %
4 lamps
= 100 %
The number of operating hours used
remains in the memory, even when the
appliance is switched off or there is a
power cut.
Operation
17
Summary of Contents for DA 420-4
Page 10: ...Guide to the appliance 10 ...
Page 26: ...DA 420 4 DA 420 4 EXT DA 424 4 DA 424 4 EXT DA 420 4 U Appliance dimensions 26 ...
Page 37: ...37 ...
Page 38: ...38 ...
Page 39: ...39 ...
Page 40: ...Alteration rights reserved 0311 M Nr 07 261 180 03 ...