28 - GB
11 First aid in the event of a fault
NOTE
Malfunctions cannot always be traced back to defects in the vacuum cleaner.
Fault
Possible cause
Remedy
Reduction in suction
Filter contaminated
Clean.
fleece filter full
Change.
Container full
Empty.
Nozzle, pipes or hose blocked
Clean.
Vacuum cleaner will not start
Mains plug plugged in?
Mains power missing?
Mains cable OK?
Cover closed properly?
Water sensor switched off?
Vacuum cleaner in readiness for opera-
tion "AR"?
Set to "I" or "IR"
(see "2 Display and Operating
Elements")
.
The vacuum cleaner does not start
when the tool is switched on in the
>AR< mode
Is the mains plug of the unit in the plug
socket?
Put the mains plug in the vacuum cleaner plug
socket
Solenoid valve of compressed air auto-
matic switch-on* contaminated?
Flush the compressed air automatic switch-on* with
alcohol
PE emptying and disposal bag is sucked
against the filter
Position of rotary slider incorrect
Set rotary slider to ● position
(see "6.4 Inserting PE
emptying and disposal bag")
.
Vacuum cleaner classes
M
or
H
: with
inserted paper filter dust in filter
Position of rotary slider incorrect
Set rotary slider to ▲ position
(see "6.3 Inserting
fleece filter bag")
.
Do not take any other action and contact the central customer service workshop.
removed from the dangerous area. All parts of the vacuum cleaner
must be considered to be contaminated when they are removed
from the danger area and suitable handling must be used to
prevent dust distribution.
Contaminated items
When carrying out maintenance or repair work, all contaminated
items which have not been adequately cleaned must be disposed
of. Such items must be disposed of in impermeable bags in ac-
cordance with the applicable regulations concerning the disposal
of such waste.
Testing the effectiveness of the vacuum cleaner
NOTE:
In addition, the effectiveness of the vacuum cleaner class
H
must be checked at least once a year.
There must be an adequate
air exchange rate L
in the room if the
exhaust air returns to the room. Further information can be taken
from your national regulations.
If the suction of the vacuum cleaner reduces and the cleaning
procedure of the folding filter cassettes increases, the suction
performance is not adequate (provided that the container is empty
and the fleece filter bag has been replaced) then it is necessary to
replace the folding filter cassettes
(see short-form instructions
and Section 7.1)
.
10.1 Cleaning
NOTE
Acids, alkalis and solvents can corrode the vacuum cleaner
parts.
▷
Clean the container and accessories with water.
▷
Wipe the top section with a damp cloth.
▷
Allow the container and accessories to dry.
10.2 Repair
l
DANGER!
▶
Inappropriately repaired vacuum cleaners present a danger
to the operator.
▶
Have repairs carried out by specialists, e. g. customer serv-
ice. Use only genuine spare parts.