F3 COMPACT Service Manual
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63
Ground Balance does
not work
●
replace handle
●
replace coil
●
replace main PCB
Noise Cancel does not
work
(no Noise Cancel tones
emitted)
Note: Noise Cancel may not completely remove the effects of
interference if the source is powerful or in close proximity
●
repeat Noise Cancel
●
replace handle
●
replace main PCB
Audio Reset does not
work
●
repeat Noise Cancel
●
replace handle
LEDs do not illuminate
●
remove earset
●
press LED button
●
replace handle
●
replace main PCB
Cannot hear the Test
Piece
●
ensure detector has been switched on for 30 secs before
conducting the test
●
fit and use an earset
●
set sensitivity switch to default 4
●
conduct Audio Reset
●
conduct Noise Cancel
●
ensure coil plug is firmly connected
●
replace main PCB
●
replace coil
Start Up tones keep
repeating
●
insert new batteries
●
replace battery compartment
●
replace main PCB
Earset does not work
●
replace earset
●
replace wiring loom earset
Hinge will not lock shaft
extended
●
push the handle up
●
reconnect the spring latch hinge to the latch hinge
Armrest will not move
●
replace armrest with slide
Coil does not remain in
place (floppy)
●
replace coil pivot kit
Water found inside
battery pack
●
clean battery lid and apply silicone grease to battery lid O-
ring
Camlocks will not stop
shafts from collapsing
●
replace camlock kit
Battery Lid will not close
●
remove and clean O-ring
●
replace swollen batteries if applicable
oOo
