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7.2 Trouble Shooting.
The following table provides several trouble shooting procedures in
response to a variety of possible problems:
Problem
Recommended Procedure
F3 will not switch On
1. Check batteries have been inserted correctly
into the Battery Pack - or
2. Replace batteries - or
3. Remove Battery Pack and reconnect ensuring
battery Lock Lever is locked into position - or
4. Exchange Battery Packs (
if this solves the
problem, the original Battery Pack may be faulty
)
After switching On there is
a very loud noise
1. Ensure Lower Shaft is extended at least
100mm (4ins) beyond the Middle Shaft - or
2. Conduct Audio Reset
After switching On the
Threshold Tone varies in
pitch and volume with the
coil stationary
1. Conduct Noise Cancel
There is no sound from the
Earset
1. Disconnect and reconnect the Earset - or
2. Try a known serviceable Earset (
if this solves
the problem, the original Earset may be faulty, if
this does not solve the problem, the Earset socket
may be faulty
)
There is no sound from the
Speaker
1. Switch Off and On - or
2. Disconnect Earset, Switch Off and On
Cannot hear the Test Piece
with the Black Sensitivity
End Cap
1.
Ensure that the detector has been turned on
for at least 30 seconds
2.
Conduct Audio Reset
Cannot hear the Test
Piece with the Red
Sensitivity End Cap
1.
Repeat the Test Piece test and make
sure the metal in the Test Piece is pointed
toward
the coil surface
2. Conduct Audio Reset
