User Manual
16
Appendix B.
Troubleshooting Flowchart
Is
reading from portable
logger stable, sensible and
audio signal steady?
There is no reason to
suspect a faulty
instrument
A damaged cable or
damaged cable joint
are suspected
Check magnitude of
resistance (R)
between conductors.
A faulty readout is
suspected. Check
reading of instrument
with another unit.
A damaged cable is
suspected causing a
short.
(See step 4)
A severed cable is
suspected causing
very high or infinite
resistance.
It must be suspected
that the portable
logger used first is
faulty. Contact
Soil Instruments Ltd.
A faulty instrument is
possible. Contact
Soil Instruments Ltd.
Is reading OK with
alternative logger?
Does a continuity exist
between earthing screen
and conductor?
Yes
Yes
No
No
R is between 80 & 180 Ohm
R is very high
R < 80 Ohm
No
Yes
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