Malfunctions
Malfunction
Machine is not running
Poor suction performance
Odour accumulation
Technical information
Machine/Type
Rated voltage
Dimensions (LxWxH)
Machine weight
Rated power
Rated voltage (max.)
Frequency
Effective volume
Weighted sound pressure
level L
according to ISO
pA
11203
Weighted effective acceler-
ation value according to ISO
5349-1
Electric protection class
36
Possible causes
On/Off switch (ON/OFF) is switched off
No power supply
Plug is not inserted in the socket at the
machine
Power cord defective
On/Off switch (ON/OFF) defective
Motor defective
Dust bag full (safety valve triggered to
prevent the suction motor from
overheating)
Filter cloth dirty
Filter disc dirty
Suction hose or suction nozzle blocked
HEPA filter dirty (optional: only in vento
15S)
Exhaust filter (optional)
Moisture accumulation
vento 8S
vento 8S
220-240 V
100-120 V
42x39x34
42x39x34
6
6
1000
1000
-
-
50-60
50-60 Hz
8
8
<70
<70
<2.5
<2.5
II
II
Troubleshooting
• Switch on the On/Off switch (ON/OFF)
• Insert the power cord in the mains sock-
et.
• Insert the plug
• Replace the power cord
• Contact your service partner
• Contact your service partner
• Replace the dust bag
• Clean or replace filter cloth
• Replace filter disc
• Remove any foreign matter
• Replace the HEPA filter
• Replace the exhaust filter
• Replace dust bag
vento 8S
vento 15S
127 V
220-240 V
42x39x34
42x39x48
6
8
1000
1000
-
1150
60 Hz
50-60
8
15
<70
<70
<2.5
<2.5
II
II
vento 15S
vento 15S
100-120 V
127 V
42x39x48
42x39x48
8
8
1000
1000
1150
1150
50-60 Hz
60 Hz
15
15
<70
<70
<2.5
<2.5
II
II
33
33
34
34
34
35
34
AC
Cm
Kg
W
W
Hz
L
dB(A)
m/s
2