Troubleshooting 13
Appliance does not reach maximum vacuum of
–0.8 bar in 20 seconds, but capacity indicator
shows ready for operation
Leak in suction side of appliance
Disconnect secretion container from pump unit.
Switch on pump and run at a setting of 0.8 bar.
Hold thumb over suction port. The maximum
vacuum is reached within 5 sec. and the pump
stops. If the pump starts up again within 10 to
20 sec., the leak is in the pump unit.*
Check that all tubes are securely connected and
that filter cover and secretion cover are firmly
installed
Power pack not sufficiently charged
Connect charger WM 2645. If the pump now
runs much more “powerfully” than with the
power pack, you must …
… charge power pack (9.6, page 19)
Filter clogged Fit new filter (operating instructions 5.3)
Fault in pump
Connect pump to functioning circuit board and
switch on. If pump does not run …
… fit new pump (9.11, page 24)
Muffler clogged Fit new muffler (9.13, page 25)
Pump keeps on starting up Leak on suction side of appliance. see above*
Not charging
External power supply too weak.
Check service display (2.1, page 5). If the x-
LED lights up, the external power supply is in
order.
External power supply must be between 12.0
and 13.8 V.
Temperature of power pack too high.
No charging possible above +40° C
Check service display (2.1, page 5). If the 0.3
bar LED lights up, the power pack temperature
is not in the operating range 5°C to 45°C
Allow appliance to cool below +40° C
Temperature of power pack too low.
No charging possible below +5° C
Check service display (2.1, page 5). If the 0.3
bar LED lights up, the power pack temperature
is not in the operating range 5°C to 45°C
Warm appliance to above +5° C
Fuse F1 or F2 defective
Check service display (2.1, page 5). If the 0.2
bar LED lights up (power pack overvoltage),
fuse F2 may have blown.
Fit new fuse (9.8, page 21)
Fuse in vehicle plug defective Fit new fuse (9.12, page 25)
Snap-in connection between power pack and
circuit board not properly engaged
Check service display (2.1, page 5). if the 0.2
bar LED lights up (power pack overvoltage), the
connector to the power pack may be loose.
Make sure connection snaps in (9.9, page 21)
Fault Cause Localize fault Remedy
To Next Page
Loading...
Need help?
General
