7. Troubleshooting
Problem
No or reduced flush
Not possible to start up.
3 long signal tones instead
of flushing.
30
Potential cause
Dirt-collecting screen
clogged.
Angle valve closed.
Low battery.
Kinked or pinched hose.
Connection between elec-
tronics and solenoid valve
missing.
Solenoid valve defective.
Unit has already been
started up.
Low battery.
:Power supply cable incor-
rectly attached.
Not connected to mains.
Power supply unit defec-
tive.
Electronics unit defective.
Battery weak or empty.
Troubleshooting
> Start system diagnosis.
> Clean the dirt-collecting
screen.
> Open the angle valve.
> Exchange the battery
> Check the hoses.
> Check the connecting
cable.
> Exchange the solenoid
valve.
> Perform a reset (refer to
section 5.4.2)
> Insert a new battery.
> Connect to the power
supply correctly.
> Connect the electronics
unit to the mains.
> Exchange the power
supply unit.
> Exchange the electron-
ics unit.
> Exchange the battery