76 Automower from
4. Autocheck, Service program
™
The following values are stated for the A-signal and
S-signal:
• Af = The strength of the A-signal measured via
the front loop sensor on the mower. The value
should lie between approximately 70 and 320 to
ensure good functionality. The closer to the loop
the mower is, the higher the value. When the
Automower is directly over the loop the value is 0
and when the mower is outside of the loop the
value is negative.
• Ar = The strength of the A-signal measured via
the rear loop sensor on the mower. The guideline
values of approximately 70 – 320 also apply for
Ar.
• 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.
In order to obtain usable values from the F- and
N-signals the Automower must be in the test position.
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. Tick the
Mower is standing in test position checkbox when you
have positioned the mower correctly.
The value of the F-signal should be more than 300
and for the N-signal the value should be over 100.
The value stated for Q, is a measurement of the loop
system’s total functionality. When a value other than
100% is stated, this indicates that the system is
malfunctioning and the values shown for A, S, F and
N are not correct.
Loop system reminder:
A-signal: Signal that the charging station transmits
to the loop and which the loop sensors then
interpret. 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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