# Rectifying Errors

- If a fault (e.g. a filter damage) occurs, the vacuum cleaner must be switched off immediately. The fault must be repaired before resuming operation.

Problem | Remedy
--- | ---
Suction turbine will not switch on. | Check the mains cable, mains plug, fuse, socket and fill level sensors (45).
The main switch (2) is set to "automatic start/stop". Set the main switch (2) to the "extraction" symbol or switch on the power tool plugged into the plug socket (4).
The suction turbine switches off. | During wet extraction, the LED indicators A and M will flash slowly and simultaneously. Empty the container (1).
During dry extraction, the LED indicators A and M will flash quickly and simultaneously: The overload protection on the dust extractor socket is activated. Switch off the power tool.
The dust extractor shuts down. | The dust extractor is overloaded due to the maximum voltage of the dust extractor plug socket being exceeded: The motor protection device is triggered. Send the dust extractor to an authorised Bosch after-sales service centre.
The suction turbine will not switch on again after the container has been emptied. | Switch the dust extractor off and wait 5 s before switching it back on.
Clean the fill level sensors (45) and the space between the fill level sensors (45) using a brush.
The suction power is decreasing. | Remove any blockages from the vacuum nozzle, suction tube, vacuum hose (29) or flat-pleated filter (34).
Change the plastic bag (32)/fleece filter bag (40).
Make sure the filter cover (43) is engaged correctly.
Place the top part of the vacuum cleaner (12) on correctly and close the catches (15).
Change the flat-pleated filter (34).
Dust is escaping during extraction | Check that the flat-pleated filter (34) has been fitted correctly.
Change the flat-pleated filter (34).
Automatic switch-off (wet extraction) is not working. | Clean the fill level sensors (45) and the space between the fill level sensors (45) using a brush.
Check the fill level regularly.
The automatic filter cleaning function is not working. | Switch to manual mode by pressing the manual filter cleaning button (7). If the problem persists, contact an authorised Bosch after-sales service centre.
Manual filter cleaning cannot be triggered. | Over-temperature protection of the dust extractor is activated. Pressing the manual filter cleaning button (7) continuously ten times has triggered the over-temperature protection. The over-temperature protection will be automatically suspended after 20 s. Pressing the manual filter cleaning button (7) continuously 30 times has triggered the over-temperature protection. The over-temperature protection will be automatically suspended after 4 min. If the problem persists, contact an authorised Bosch after-sales service centre.
The automatic filter cleaning function is not activated. | Contact an authorised Bosch after-sales service centre.