Friendly Robotics Robomow RL850 Operating & Safety Manual page 34

7.2 Other Operational or Fault Problems
Problem
Encountered
Probable
Cause/Event
! !
Corrective/User
Action
!
"Cut wire" indicator flashing on
Perimeter Switch
"Replace Battery" indicator flashing
on Perimeter Switch
Perimeter Switch will not activate
when turned on
Robomower will not operate and
nothing will display on the LCD
screen.
Wire disconnected from switch
Perimeter wire cut
Poor connections
Weak batteries
Perimeter wire too long for one zone
Batteries are completely discharged.
Batteries installed with wrong polarity
position.
Perimeter Switch not installed
vertically and exposed to water/rain.
Mower is in deep sleep.
Power Pack has been discharged
from lack of charge maintenance.
Confirm wire is plugged in and wire
leads are firmly attached
Walk along perimeter, including
islands and obstacles excluded with
the perimeter wire and look for
obvious cuts or breaks in the wire.
Repair with Robomower wire splice
connectors.
Check and repair all loose/poor or
corroded connections
Install fresh alkaline C-cell batteries
Robomower drives but blades will
not mow. "Mowing 'has been turned to off.
The obstacle is less than 6 inches
(15 cm) in height, is not rigid enough Remove the obstacle or exclude it
The bumper does not activate when or is positioned at an angle relative from the cutting area with the
striking an obstacle, to tne ground preventing square
contact with the outermost surface of perimeter wire.
the bumper.
A maximum perimeter wire length of
1000 feet (300 m) is recommended.
Areas requiring longer lengths
should be broken into separate
zones. Ifthe 'Cut Wire" indicator
flashes once when the Perimeter
Switch is activated, this confirms a
length too long for a single
perimeter zone.
Install fresh alkaline C-cell batteries
Verify correct placement of
batteries.
Water/moisture protection of the
Perimeter Switch can only be
insured when mounted vertically.
Replace Perimeter Switch.
If not connected to the charger at all
times when not in use, the
aobomower will conserve power by
entering into a deep sleep mode.
Lift Power Pack from mower and re-
insert it after 10 seconds.
It is required for the charger to
remain connected to the
Robomower when not in use.
Failure to do so can cause
permanent Power Pack damage.
Contact your service provider.
Change back on under 'User
Preferences'