Wap SQ 690-3M/B1 Betriebsanleitung Seite 15

provisions of the Accident
Prevention Regulations
(VBG4) and with DIN VDE
0701 Part 1 and Part 3. In
accordance with DIN VDE
0702, these tests must
TROUBLESHOOTING
Messages on the display
flashes: Overload protection switch (motor electronics) has tripped
ð Eliminate cause of overloading; replace motor cooling-air filter if
flashes: Malfunction in volume flow detection
ð Inform service technician
flashes: Appliance switch not properly engaged
ð Correct switch position
Maximum filling level has been reached when picking up liquids
ð Empty dirt tank
Volume flow too low (air speed in suction hose <20 m/s)
ð Suction hose blocked or switch position incorrect
Volume flow too high (e.g. switch position 27 mm diameter, but no suction hose
inserted)
ð Use suction hose suitable for switch position
Cleaner is ready for automatic operation
Problem
‡ Motor does not start
be performed at regular
intervals and after repair
or modification.
A technical dust test
must be carried out at
least once a year by the
manufacturer or a
suitably
(SQ 890-3M/B1 only)
necessary
> Fuse of mains plug
socket has blown
> Overload protection
switch has tripped
Display F1 flashes
(SQ 890-3M/B1 only)
> Missing zero
conductor or missing
phase
> Filter cassette intake
air is soiled
Cause
•
•
•
•
trained individual to
check for damage to
the filter, tightness of
the appliance, correct
operation of the
monitoring devices, etc.
Remedy
Reset the fuse
Switch off the cleaner
and allow it to cool
down for approx. 5
minutes; if the cleaner
does not start again
automatically, contact
the Service Dept.
Have the power supply
cable checked by a
qualified electrician
Have replaced by Wap
Service Dept.
13