6
Remedy of faults
Malfunction
The unit does not switch on
The vacuum does not start up
The suction power is reduced
The vacuum switches on and off
Insufficient or no discharge pump
delivery.
The discharge pump does not start up
automatically.
•• ... ••• LEDs are lit
Cause
No mains voltage
The carbon brushes are worn
The telescopic wand with vacuum attachment
has been submerged too deep
Suction hose or vacuum attachment is soiled
The discharge pump is switched off and the
non-return valve is clogged
This occurs when the tank is empty when it is
switched on
Max. water level is exceeded
The motor (overload) protection switch has
tripped
The pump inlet is clogged
The discharge hose is causing water
backpressure
Water level sensors are soiled
The plug connectors are not correctly
connected
Water level is too high
Water level sensors are soiled
The discharge pump is clogged
Remedy
Switch on mains voltage
Have the carbon brushes replaced
(→ Replacing the carbon brushes)
Adhere to max. submersion depth of 2.60 m
Clean
Clean
Vacuum up water with the discharge hose
−
until the valve has been rinsed clean
Clean the non-return valve
−
Normal behaviour
The vacuum and discharge pump have to
−
adjust to each other
Empty the tank
−
Clean the discharge pump
−
Route the discharge hose without kinks
−
Empty the tank
−
Clean the pump
−
Press the unlock button
−
Clean
Route the discharge hose without kinks
Clean
Connect, tighten the union nuts
Empty the tank.
−
Clean the discharge pump
−
Route the discharge hose without kinks
−
Clean
−
Clean
−
- EN -
25