Minelab F3 Service Manual

F3 Service Manual
Page 69
After switching on the
F3 makes no sound
from speaker
 check for tone using the earset
 if there is tone through earset - replace speaker
pod
 if there is no tone through earset - replace wiring
loom
 if there is no tone through earset - replace
electronics pack
Threshold tone is
intermittent (including
LEDs for F3L)
 replace wiring loom
Threshold Tone is too
loud
 ensure area is free from local electromagnetic
interference
 conduct Audio Reset
 conduct Noise Cancel
 replace coil
 replace electronics pack
 replace wiring loom
On switch on, the “Coil
Fault” tone occurs - “low
pitched double tone
every five seconds”
 check the coil plug is firmly secured to the
electronics pack
 inspect coil cable for damage – if no damage
replace electronics pack
 if damaged replace with new coil
On switch on, the
“Equipment Fault” tone
occurs – “low pitched
slow oscillating tone
(ee-aww, ee-aww)

check endcap is secure
 replace electronics pack
After working in hot
conditions, detector
makes a loud noise
 conduct Audio Reset
 replace coil
 replace electronics pack
 replace wiring loom
Ground Balance does
not work
 replace speaker pod
 replace wiring loom
 replace coil
 replace electronics pack

Minelab F3 Specifications

General

Brand	Minelab
Model	F3
Category	Metal Detector
Language	English