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TROUBLESHOOTING
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Problem
Machine does not reach working
pressure
Machine pressure drops suddenly
during use
Water leakages
No detergent sucked in
The machine does not switch on
The battery does not charge
The machine stops while working
Possible causes
Nozzle worn
Water filter fouled
Insufficient water supply
Air being sucked into system
Air in machine
Water being sucked from an open container from a
height of more than 0.5 m
Water being sucked from an external tank
Nozzle clogged
Inlet filter (L) fouled
Seals worn
Detergent too dense
Battery empty (B7)
Battery not correctly inserted in the machine housing
The battery has overheated and the internal auto reset
protection has cut in
Machine or battery faulty
Charger not correctly connected to the battery
Battery charger (B9) or battery not ready for charging.
Battery overheated.
Battery charger or battery faulty
Battery empty
The battery has overheated and the internal auto reset
protection has cut in
Remedy
Replace nozzle
Clean filter (L) (fig.5)
Turn on water supply tap fully
Check tightness of hose fittings
Switch off the machine and keep depressing and releas-
ing the gun trigger until the water comes out in a steady
flow. Switch the machine back on again.
Reduce the suction height
Connect machine to the mains water supply
Clean nozzle (fig.5)
Clean filter (L) (fig.5)
Have the seals replaced at your nearest Authorised
Service Centre
Dilute with water
Fully charge the battery
Take out the battery and insert it correctly
Wait for the battery to cool down
Replace the battery and/or contact an authorised service
centre
Take out the charger and insert it correctly
Wait for the battery (B8) to cool down
Replace the charger and battery and/or contact an author-
ised service centre
Fully charge the battery (B8)
Wait for the battery to cool down
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