User Instructions

0478 131 9942 C - EN
170
Message:
2120 – Child lock
Child lock active
Possible cause:
– Impact sensor triggered several times
consecutively
– Robotic mower has been lifted during
travel
Remedy:
– No action required – if the impact
sensor is not triggered again, the
message automatically becomes
inactive within max. 1 minute
– Deactivate the child lock (Ö 11.16)
Message:
2400 – iMow successfully reset to factory
default
Possible cause:
– Robotic mower has been reset to
factory default
Remedy:
– Confirm message with OK
Message:
4001 – Internal fault
Outside temperature range
Possible cause:
– Temperature in battery or inside the
machine too low or too high
Remedy:
– Allow the robotic mower to warm up or
cool down – observe permissible
temperature range of battery (Ö 6.4)
Message:
4002 – Rollover
see message 1000
Message:
4003 – Hood lifted
Check hood
Then press OK
Possible cause:
– Hood has been lifted
Remedy:
– Check the hood and confirm the
message with OK
Message:
4004 – Internal fault
Press OK to release
Possible cause:
– Error in the programme sequence
– Power failure during automatic
operation
– Robotic mower is located outside the
mowing area
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)
– Return the robotic mower to the mowing
area, then press the OK button
Message:
4005 – Internal fault
see message 4004
Message:
4006 – Internal fault
see message 4004
Message:
4008 – Internal fault
see message 4004
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 11.11)
– Set the active times (Ö 11.6)
– Set the safety level to "Medium" or
"High" (Ö 11.16)
25. Troubleshooting
# If necessary, contact a specialist
dealer; STIHL recommends STIHL
specialist dealers.