English - 109
6. TROUBLE SHOOTING
6.3 Fault symptom, Loop system
For more information about The loop system, see 1.10
Loop signal strength, page 15 and 1.11 Corridor width,
page 17.
The background lighting on
the display is on, but the
keypad and main switch do
not react.
The control box is blocked. 1. Reprogram the control box with the help of
Autocheck. Use the Advanced function and download
the program manually. Ignore the Autocheck message
No contact.
2. Should the program not start or it is cancelled
before it is finished, the battery may need to be
charged for a few minutes. However, do not charge it
for more than 10 minutes as the charging/battery's
temperature can not be monitored when the control
box is blocked.
3. Also refer to page 77.
Table 10: Fault symptom, Loop system
Symptom, Loop
system
Cause Action
Automower follows the
boundary wire in a saw
tooth pattern
Automower does not find the strength on
the loop signal that the set corridor width
corresponds to. Automower now
searches for the strength by running in a
saw tooth pattern along the boundary
wire.
Increase the corridor width until the behaviour stops.
Automower can not pass
through a narrow opening
or passage when following
the boundary wire.
The corridor width is too high for
Automower to pass through the passage.
Reduce the corridor width successively until
Automower can pass through the passage. In order to
prevent Automower from running on a small corridor
width, install a guide wire through the passage.
Automower does not follow
the boundary wire out from
the charging station to a
remote area when it should,
but starts mowing directly.
Automower does not find the strength on
the loop signal that the set corridor width
corresponds to. When Automower does
not detect the strength after reversing out
of the charging station it starts to mow
instead.
Try a different corridor width, a greater corridor width
usually improves the function. Also check the loop
signal's strength and compare with Table 14 and
Table 15
Automower does not follow
the guide wire out from the
charging station to a
remote area when it should,
but starts mowing directly.
Automower does not find the strength on
the loop signal that the set corridor width
corresponds to. When the mower
reverses out from the charging station it
turns a full circle to find the strength.
When Automower does not find the
strength it starts to mow instead.
Check that the guide wire has been routed correctly. It
should be routed at least 130cm straight back, out
from the edge of the charging station. The adjustable
reversing length must be adapted according.
Try a different corridor width, a greater corridor width
usually improves the function. Also check the loop
signal's strength and compare with Table 14 and
Table 15
Automower does not run
along the boundary wire
when it searches for the
charging station.
The set delay time does not permit
Automower to start following the
boundary wire when it searches for the
charging station.
Check that the set delay time to permit Automower to
start following the boundary wire has elapsed. To
easily check that Automower starts to follow the
boundary wire, the delay time can be set to 0 minutes.
Automower does not find the strength on
the loop signal that the set corridor width
corresponds to. Automower will continue
to search randomly until it detects the
boundary wire again.
When the working area is large/open and when the
distance between the boundary wire is large, choose a
wider corridor. When the working area is small/narrow
and the distance between the boundary wire is small,
choose a narrower corridor.
Table 9: Fault symptom, General
Symptom Cause Action
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