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