36 Automower from
2. Special menu functions
™
• S = S-signal's strength measured via the front loop
sensor and close to the guide wire. To the left of
the guide wire, in the direction towards the
charging station, the value is negative and to the
right of the wire the value is positive. To ensure
the functionality of the guide wire, the S-signal
value should be (-) 250 – 320 next to the guide
wire.
• F = an indication of the F-signal strength. The
F-signal is generated by the large coil in the
charging station plate.
• N = an indication of the N-signal strength. The
N-signal is generated by the two small coils in the
charging station plate.
• Quality = an indication of the loop’s overall
function. The normal value is 100%. Another value
indicates there is a system malfunction.
• Restarts = an indication that the loop system is
restarting. Within 5 – 10 seconds after the function
starts, the restart value stabilises. When the value
continues to change this indicates that the system
is affected by interference or is defective.
When you press Arrow up the row with values for the
F and N-signals dims. Af also dims and the Ar value is
shown instead. When the rear loop sensor is
malfunctioning the Ar value is constant and the Quality
value is 0%.
The Automower must stand in a special test position
to receive usable values when testing the F- and
N-signals. This means the nose of the mower is partly
edge to edge with the charging station base plate,
partly to the right of centre. See the picture opposite.
The value for the F-signal should be above 300 and
the value for the N-signal should be above 100.
When one of the values is lower than 300 respective
100, there is probably a coil fault in the charging
station plate (see page
104 to replace the plate). The
loop sensors on the Automower could also be faulty.
Loop system reminder:
The charging station generates four signals, one to
the boundary wire, one to the guide loop and two to
the coils in the plate.
A-signal: Signal that demarcates the working area.
Normal value for the A-signal: about 70 – 320.
S-signal: Signal that delimits the guide area.
Default value for the S-signal next to the guide wire:
about
(-) 250 – 320.
F-signal: Remote signal that helps the Automower
to find the charging station. Normal value for F with
Automower in the test position: Over 300.
N-signal: Near signal that guides the Automower
into the charging station. Normal value for N with
Automower in the test position: Over 100.
A-, S-, F- and N-signals can only be interpreted
when the value for Quality is 100%. When the value
is 99% or lower, the loop system does not function
correctly and with that, the displayed values for A,
S, F and N will not be correct.
3012-644
Automower in the test position
N
F
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