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Malfunctions often have simple causes that you can remedy yourself using the following overview. When in doubt, or
in the case of malfunctions not mentioned here, please contact your authorised Customer Service.
Fault
The device cannot be
switched on
Display flashes and de-
vice does not start
Airflow is reduced
Odour elimination inef-
fective
Poor air quality
Technical data
Electrical connection
Mains voltage
Phase
Power frequency
Nominal power
Standby
Device performance data
Maximum airflow
Floor space
Filter efficiency at 0.3 μm
Maximum filter working
time (depending on envi-
ronment)
Ventilation levels
12
Troubleshooting guide
Cause
No electrical voltage present
Power supply unit defective
Device defective
Filter cover not inserted correctly
Filter clogged
Filter not unpacked
Fan level too low
Air outlet is blocked
Poor ambient air quality
Filter used up or used too long
Fan level too low
Fan level too low
Draught
AF 30: Room size clearly above 30 m²
AF 50: Room size clearly above 50 m²
Air slots on the device blocked
Filter not unpacked
Filter clogged or contaminated.
AF 30
AF 50
V
DC24V
220-240
~
1
1
Hz
50-60
50-60
W
36
50
W
< 0,5
< 0,5
3
m
/h
320
520
2
m
* 30
* 50
99,95%
99,95%
h
3000
3000
5
5
Rectification
Check the socket and the power supply
fuse.
Insert the plug of the power supply unit into
another socket.
Contact Customer Service to replace the
power supply unit.
Contact Customer Service.
Insert the filter cover correctly, making sure
that the filters are seated correctly.
Changing the filter, see chapter Replacing
the filter.
Unpacking the filter, see chapter Initial
Start-Up.
Increasing the fan level, see chapter Set-
ting the fan level.
Remove foreign bodies.
Open windows to improve ventilation.
Replace the filter.
Increasing the fan level, see chapter Set-
ting the fan level.
Increasing the fan level, see chapter Set-
ting the fan level.
Close the windows and doors while the de-
vice is working.
Observe the maximum room size.
Observe the maximum room size.
Keep the required distances from the de-
vice.
Do not place anything on the device.
Unpacking the filter, see chapter Initial
Start-Up.
Changing the filter, see chapter Replacing
the filter.
Dimensions and weights
Weight
Length x width x height
Ambient conditions
Ambient temperature
Determined values in acc. with EN 60335-2-69
Sound pressure level
* At 3 m ceiling height and 3 x air exchange per hour
Subject to technical changes without notice.
English
AF 30
AF 50
kg
5.8
7.7
mm
260x260
290x290
x480
x560
°C
-10 °C -
-10 °C -
+40 °C
+40 °C
dB(A) 26-51
29-53
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