User Instructions

0478 131 9957 B - EN
176
Message:
4004 – Drive braking time exceeded
Press OK to release
Possible cause:
– Error in the programme sequence
– Wire routing incorrect
– Obstacles in the area of the perimeter
wire
Remedy:
– Confirm message with OK
– Check wire routing, especially in the
area of the corners, using the
iMOW® Ruler (Ö 12.5)
– Remove obstacles
Message:
4005 – Blade braking time exceeded
Please OK to release
Possible cause:
– Error in the programme sequence
– Signal collapse (e.g. due to a power
failure) during automatic mowing
Remedy:
– Confirm message with OK
– Check power supply to the docking
station – the red LED must be
illuminated permanently during
operation; then press the OK
button (Ö 13.1)
Message:
4006 – Charging interrupted
Press OK to release
Possible cause:
– Error in the programme sequence
– Power failure during charging
– Robotic mower rolled out of the docking
station
Remedy:
– Confirm message with OK
– Check power supply to the docking
station – the red LED flashes slowly
when the robotic mower is
docked (Ö 13.1)
– Check that the docking station is in the
correct position (Ö 9.1)
Message:
4008 – Control panel recogn. faulty
Press OK to release
Possible cause:
– Control panel not correctly inserted
Remedy:
– Insert the control panel
– Confirm message with OK
Message:
4009 – Hood sensor faulty
Press OK to release
Possible cause:
– Hood displaced
Remedy:
– Check position of the hood
– Check movement of the hood and clean
hood mounting if necessary
– Confirm message with OK
Message:
4016 – STOP button sensor value
deviation
Press OK to release
Possible cause:
– Error in the programme sequence
Remedy:
– Confirm message with OK
Message:
4027 – STOP button pressed
Press OK to release
Possible cause:
– STOP button has been pressed
Remedy:
– Confirm message with OK
Support and help on use
Support and help on use are available
from a STIHL specialist dealer.
Contact options and further information
can be found at https://support.stihl.com or
https://www.stihl.com.
Fault:
The robotic mower operates at the wrong
times.
Possible cause:
– Date and time incorrectly set
– Active times incorrectly set
– Machine has been operated by
unauthorised persons
Remedy:
– Set the time and date (Ö 11.10)
– Set the active times (Ö 11.7)
– Set the safety level to "Medium" or
"High" (Ö 11.15)
25. Troubleshooting
# If necessary, contact a specialist
dealer; STIHL recommends STIHL
specialist dealers.