Bosch Professional Heavy Duty GAS 35 H AFC Original Instructions Manual page 25

Problem
The suction turbine switches off.
The suction turbine will not switch on
again after the container has been
emptied.
The suction power is decreasing.
Dust is escaping during extraction
Automatic switch-off (wet extraction)
is not working.
Acoustic warning signal sounds.
The automatic filter cleaning function
is not working.
The automatic filter cleaning function
will not switch off.
The automatic filter cleaning function
will not switch on.
Bosch Power Tools
Corrective measures
The mode selector switch (7) is set to "automatic start/stop".
– Set the mode selector switch (7) to the "vacuuming" symbol or switch on the
power tool plugged into the plug socket (5).
– Empty the container (1).
– Switch the dust extractor off and wait five seconds before switching it back on.
– Clean the fill level sensors (40) and the space between the fill level sensors (40)
using a brush.
– Remove any blockages from the vacuum nozzle, suction tube (33), vacuum hose
(25) or flat-pleated filter (28).
– Change the disposal bag (27) or safety filter bag (26).
– Make sure the filter cover (39) is engaged correctly.
– Place the top part of the dust extractor (12) on correctly and close the catches
(13).
– Change the flat-pleated filter (28).
– Check that the flat-pleated filter (28) has been fitted correctly.
– Change the flat-pleated filter (28).
– Clean the fill level sensors (40) and the space between the fill level sensors (40)
using a brush.
Automatic switch-off will not work in the presence of non-conductive liquids or foam-
ing.
– Check the fill level regularly.
Suction power setting too low.
– Set the suction power regulator (8) to a higher setting.
Hose diameter setting is wrong.
– Set the volume flow controller (6) to the correct vacuum hose diameter.
Vacuum hose (25) is blocked or twisted.
– Remove blockage or untwist hose.
Disposal bag/safety filter bag full.
– Change the disposal bag (27) or safety filter bag (26).
Flat-pleated filter (28) is dirty.
– Clean or change the flat-pleated filter if required.
The airflow supplied by the connected power tool is insufficient.
– Open the false air intake (36) on the dust extraction adapter (23): Turn the ring
on the dust extraction adapter until the false air intake is fully open.
– Open the false air intake on the power tool if there is one.
Malfunction of the monitoring electronics.
– Contact an authorised Bosch after-sales service centre.
– Activate the automatic filter cleaning function (press the AFC button (9)).
– Connect the vacuum hose (25).
– Contact an authorised Bosch after-sales service centre.
– Contact an authorised Bosch after-sales service centre.
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1 609 92A 5V0 | (30.11.2020)