Minelab F3 Service Manual page 70

F3 Service Manual
Noise Cancel does not
work
(no Noise Cancel tones
emitted)
Audio Reset does not
work
LEDs do not illuminate
(F3L only)
Cannot hear the Test
Piece
Start Up tones keep
repeating
In the collapsed position
the detector makes a
loud noise when coil is
tilted
Earset does not work
Shafts will not collapse
Note: Noise Cancel may not completely remove the
effects of interference if the source is powerful or in close
proximity

repeat Noise Cancel

replace wiring loom

replace electronics pack

replace speaker pod

replace wiring loom

replace coil

ensure detector is F3L configuration - if not
speaker pod is incorrectly matched

pressing and hold the
and release the green ground balance button.

replace speaker pod (F3L version)

ensure detector has been switched on for 30 secs
before conducting the test

conduct Audio Reset

fit and use an earset

if using an F3L ensure volume level is set to
default

conduct Noise Cancel

ensure coil plug is securely fitted to electronics
pack

replace electronics pack

replace coil

insert new batteries

replace electronics pack

replace wiring loom

conduct Audio Reset

extend shafts

conduct Audio Reset

replace earset

replace wiring loom

fully extend (leave for five minutes) very slowly
collapse shafts
Page 70
button and quickly press