Stihl RMI 422 PC-L Instruction Manual page 80

English
Always activate the disabling device before carrying out any inspection, cleaning or maintenance.
Condition
The robotic mower is not working
and nothing is shown in the
display.
The robotic mower is noisy and
vibrates.
Poor mulching or mowing result. Grass is too high in relation to the
Display in a foreign language
Brown (earthy) patches appear in
the mowing area.
Mowing operations are
significantly shorter than usual.
The robotic mower is docked, the
battery is not charging.
78
Possible Cause
– Machine is in standby.
– Battery discharged.
Mowing blade is damaged.
Mowing deck is very dirty
cutting height.
Lawn is extremely wet.
Mowing blade is blunt or worn.
Active times insufficient, mowing
duration too short.
Size of mowing area set
incorrectly.
Long periods of rain.
Language setting has been
changed.
Mowing duration is too long in
relation to the mowing area.
Perimeter wire has been routed
with excessively tight radius.
Size of mowing area set
incorrectly.
Grass is very high or too wet.
Machine (mowing deck, drive
wheels) is very dirty.
Battery has reached end of
service life.
The battery does not need to be
charged.
Remedy
► Press any button to wake up the robotic mower. The
status screen appears, @ 13.2.
► If the robotic mower is still not working, have the
battery replaced by an authorized STIHL iMow
servicing dealer.
► Replace the mowing blade and remove any
obstacles from the lawn, @ 21.3.
► Clean the mowing deck, @ 20.
► Adjust the cutting height, @ 17.4.
► Set the rain sensor, @ 15.2.
► Change the active times, @ 14.6.
► Replace the mowing blade, @ 21.3.
► Extend or add active times, @ 14.6.
► Extend the mowing duration, @ 14.7.
► Create a new mowing plan, @ 14.5.
► Allow mowing during rain, @ 15.2.
► Extend the active times, @ 14.6.
► Set the language, @ 10.2.
► Reduce the mowing duration, @ 14.6.
► Correct the routing of the perimeter wire, @ 11.
► Create a new mowing plan, @ 14.5.
► Adjust the cutting height, @ 17.4.
► Set the rain sensor, @ 15.2.
► Change the active times, @ 14.6.
► Clean the machine, @ 20.
► Have the battery replaced by an authorized STIHL
iMow servicing dealer.
► No action necessary. The battery charging occurs
automatically below a certain voltage.
22 Troubleshooting Guide
0478-131-3050-A