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2.2 Brief description
2.2.4 Seat contact switch (3.6.6.4.)
The seat contact switch (S05) is connected to the control electronics A1 at
A1:X15.6+18 (NC) and A1:X15.7+19 (NO).
The control electronics (A1) responds to the relief of the seat with an approx. 2 second
delay. This means: If the contact at A1:X15.6+18 is open for more than 2 seconds
during machine operation, the motors stop.
If the switch is closed again within 2 seconds, the machine continues to operate
without any interruptions.
If the seat contact switch is not actuated for > 6 seconds while the key switch is
switched on, the machine is locked in all functions (driving and cleaning). The same
applies if both contacts of the seat contact switch have the same switch status for
longer than a few seconds, i.e. both switches are detected as being open or closed by
the machine (seat switch manipulation).
The service code 3.6.6.4. is shown in the operating hours meter. If the seat contact
switch is actuated, only driving is now possible. If the key switch is switched off and
then back on without the seat contact switch being relieved or actuated again, the
driving function is also deactivated. The machine is blocked for use if the seat contact
switch is not actuated.
Slide 19
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