Friendly Robotics robomower RL350 Service Manual page 171

5.6.4 Direction Keeping Problems
Fault
Diagnosed item
#
500 Direction Keeper
510 Direction Keeper
523 Direction Keeper
525 Direction Keeper
526 Direction Keeper
527 Direction Keeper
528 Direction Keeper
529 Direction Keeper
530 Direction Keeper
531 Direction Keeper
532 Direction Keeper
533 Direction Keeper
534 Direction Keeper
535 Direction Keeper
Meaning
Low resolution reading=0
Low resolution readings are
noisy
Coils 1+2 cannot be zeroed
Coils 1+3 cannot be zeroed
Coils 2+3 cannot be zeroed
Coils 1+2+3 cannot be
zeroed
At least two coils cannot be
zeroed cannot be zeroed
Coils 1+3 cannot be zeroed
Coils 2+3 cannot be zeroed
Coils 1+2+4 cannot be
zeroed
Coils 3+4 cannot be zeroed
Coils 1+3+4 cannot be
zeroed
Coils 2+3+4 cannot be
zeroed
Coils 1+2+3+4 cannot be
zeroed
Possible cause
Direction keeper is faulty
Direction keeper is noisy
Magnetic interference or coils
disconnected
Magnetic interference or coils
disconnected
Magnetic interference or coils
disconnected
Magnetic interference or coils
disconnected
Magnetic interference or coils
disconnected
Magnetic interference or coils
disconnected
Magnetic interference or coils
disconnected
Magnetic interference or coils
disconnected
Magnetic interference or coils
disconnected
Magnetic interference or coils
disconnected
Magnetic interference or coils
disconnected
Magnetic interference or coils
disconnected
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