Friendly Robotics robomower RL350 Service Manual page 70

3.2.2 Power & Charging Problems (con.)
Short run time,
operates less
time then normal
3.2.2.5
Refer to section 3.1 for
error messages
explanation
Replace Power Pack
(UNT0009A)
The following issues reduce the
battery run time:
Improper battery maintenance
(does not follow the charging
policy)
More than 300 operation hours
(The battery is coming to the
end of its natural life)
Is the operation
time shorter than
previous
operations?
Was battery
fully charged
prior to
mowing?
Error
What message
message
was displayed
when the
mower stopped?
Is the grass very
high, dense
and/or wet?
Did the user
YES
properly
maintain the
battery?
Instruct the user regarding
the Charging Policy and
replace the Power Pack
(UNT0009A)
NO
YES
NO
YES
Time
completed
Recharge
battery
YES
NO
NO
The time is ok. Confirm user
follows Charging Policy.
Fully charge the battery
– then try again
Set longer 'Work time'
or 'Max'
Wait until the lawn has dried out.
Set the cutting height and the ground
clearance to the highest positions.
Ensure the grass is cut 2 times per
week in peak growing season and once
a week when growth is less vigorous.
C h a r g i n g P o l i c y
Between uses:
The battery should always be kept in
charging between uses during the
mowing season.
Mower should be operated only after
'Fully charged' or 'Ready' message is
displayed.
During winter:
Fully charged the battery, remove and
store in a dry location.
Check the parameters under 'Battery
maintenance' menu in the 'Service' (for
more details see section 2.2 paragraph
5.14).
The battery warranty is valid only when
following the charging policy.
In any case where the customer did not
follow this policy the claim would be not
accepted.
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