Friendly Robotics robomower RL350 Service Manual page 83

3.2.9 Bumpers Problems
Attention
Item pressed against the bumpers
or Robomower positioned "standing"
on any of the bumpers while in
storage can change the shape of the
bumper and cause problems to the
touch sensor electronics
Continue to press the bumper at
the distorted area and leave it at
room temp. for several hours
Remove Top Cover:
Confirm metal strip is in place
Replace Bumper
Replace Main Board
(SPP0019B) and complete the
following settings (under the
'Service' menu):
- 'Factory default' (5.5.6)
- 'Learn wire sensors' (5.3.1)
- 'Edge Calibration' (5.3.2)
- 'Set country' (5.3.3)
- 'DK Calibration' (5.3.4)
3.2.9.1
Front /Rear
Bumper
Pressed
Remove Robomow
away from the object
Is any
YES
distortion of
the bumper
visible?
NO
Is 'Bumper
YES
pressed
constantly
displayed?
NO
Is only slight
NO
force required
before a bumper
pressed
indication (*)
appears?
Take the Power Pack
out of the mower and
re-insert
Is anything
YES
pushing
against the
bumper?
NO
Test the 'Bumpers' through
'Safety test' menu – confirm
a bumper is pressed
Press and squeeze the
appropriate pressed bumper
from bottom to top
Contact spring
Look for bumper deformation –
YES
this should be rectified by
ensuring correct seating of
bumper on the gray plastic base
Metal strip
3
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