husqvarna · Automower Technical Manual
The Automower fails to detect the loop signal strength after reversing out of the charging station, causing it to start mowing immediately instead of following the boundary wire to a remote area.
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Try a different corridor width; a greater corridor width usually improves the function.
Check the loop signal strength and compare with Table 8 and Table 9 in the manual.
Adjust the mower's reversing distance.
Inspect the boundary wire for any breaks or interference that might weaken the signal.