English 5.906-269.0 Rev. 00 (03/11)
85
1 Voltage regulator
Tilt the fresh water reservoir rearward.
Connect the voltage regulator in the power circuit.
Turn the key switch (S0) to position "1".
Reduce the voltage slowly to 21 volts or the dis-
charge set up in the setup menu.
Target value:
–
The shut-off must occur at approx. 21 volts.
Note
The switching off takes place with a 3 minute delay.
As an alternative, you can check the total discharge
protection using the voltmeter or the voltage tester.
Connect the voltmeter directly to the battery and
operate the appliance until the green LED of the
battery control lamp begins to blink.
At that moment, read the battery voltage.
Connect the voltmeter to the two batteries and op-
erate the appliance until the battery status indica-
tor lights up red.
In this case, the brush motor and the turbine shut off.
With the model ---W BP, the drive motor is still active.
Important: The voltage test must take place under
load.
9.4.14Checking the total discharge protection
