Samsung SR8940 Benutzerhandbuch Seite 140

Symptom
Vacuum cleaning
robot cannot fi nd the
charger.
Vacuum cleaning
robot passes through
the VIRTUAL GUARD.
The battery usage
time of the VIRTUAL
GUARD is too short.
The vacuum cleaning
robot suddenly
performs its cleaning
operation in the
diagonal direction.
44_ troubleshooting
Checklist
• Check whether the power plug of
the charger is plugged correctly
into the outlet.
• If there are any obstacles within a
range of about 1m in front of the
charger and about 0.5m range to
the left and right of the charger,
you should remove the obstacles.
• If there are any foreign substances
on the change pin, wipe them off
with a dry towel.
• Is the VIRTUAL GUARD installed
near the charger?
• Are the batteries of the VIRTUAL
GUARD worn out?
• Is the lamp turned off?
• Are you using manganese drycell
batteries?
• The vacuum cleaning robot may
clean in a diagonal direction in the
following cases.
- After the vacuum cleaning robot
has been charged while placed at
an angle in the charger station.
- When the vacuum cleaning robot
moves to another area by a
shortened route after cleaning an
area.
- When the angle of making
contact with an obstacle is not
perpendicular (90˚).
- When the fl oor is made of tiles or
wood.
Measure to Take
• Move the VIRTUAL GUARD to
another place so that the vacuum
cleaning robot can charge
automatically.
• Replace the batteries.
(2 type D (LR20) alkaline batteries)
• Check if the VIRTUAL GUARD
is turned off and then turn the
VIRTUAL GUARD on.
• Replace the batteries with new
alkaline batteries.
(2 type D (LR20) alkaline batteries)
• The cleaning direction is
determined by the initial location.
Since it cleans areas by drawing a
map, it eventually covers the entire
area. (Normal operation)
Install the charging station in
the direction of the grain of the
wood, and start cleaning while the
vacuum cleaning robot is docked
with the charger station.