6.6
Factory settings
⇒ Switch the unit off (3, Fig. 1).
⇒ Hold down the operating mode key (21, Fig� 2) and the selection key (23, Fig� 2) at the same time and
en
switch on the unit (3, Fig� 1)�
♦ All four displays flash three times.
♦ All values are reset to the factory settings�
Factory settings:
Function / feature
7
Troubleshooting
Trouble
Error notification dis-
play (26, Fig. 2) flashes.
The error notification
display (26, Fig. 2)
lights up.
The suction power is
not sufficient.
Dust drawer is over-
flowing.
The signal to empty the
dust drawer is output,
even though it is not
full yet.
The display to empty
the dust drawer flashes
and an acoustic signal
sounds three times.
The extraction unit
unexpectedly stops
suctioning during con-
tinuous or automatic
operation and the cor-
responding displays
(20/22, Fig. 2) remain
on.
Operating mode
Time interval
Cause
• The electronics have overheated�
• The fine filter is so heavily clogged that
cleaning the filter does not have a suffi-
cient impact�
• Blockage or leakage in the suction
hose�
• Dust drawer not airtight�
• Fine filter blocked.
• The selected time interval for emptying
the dust drawer is too long�
• The time interval set for emptying the
dust drawer is too short�
• The flow rate is no longer sufficient and
filter cleaning is performed.
• Suction turbine has overheated�
• Suction turbine is faulty�
Setting range
CAM operation / continuous operation
2 - 100 hrs
• Switch off the unit and let it cool down.
• Provide sufficient cooling, e.g., using:
- Note Chap� 4�2 Setup�
- Use external air duct (see Chap� 4�6)�
• Replace fine filter (see Chap. 6.3).
• Check suction hose�
• Please also note the information in Chap� 4�4�
• Check that the dust drawer fits correctly (see
Chap� 6�2)�
• Switch the unit off and then on again so that the filter
is cleaned�
Replace the fine filter (see Chap. 6.3) if cleaning the
filter does not improve suction power.
• Set a shorter time interval (see Chap� 6�2�1)�
• Set a longer time interval (see Chap� 6�2�1)�
• Wait until the filter has been cleaned.
• Switch off the unit and leave to cool for at least 60
minutes�
• Check whether suction hose is blocked, eliminate
blockage�
• Switch the unit off and then on again so that the filter
is cleaned�
Replace the fine filter (see Chap. 6.3) if cleaning the
filter does not improve suction power.
• Replace suction turbine�
- 12 -
Factory setting
CAM operation
50 hrs
Corrective action