Troubleshooting; Error Reporting; Electrode Resistance Too High; Out Of Range - AEMC 6471 User Manual

10.1 Error Reporting

10.1.1 Electrode Resistance Too High

This can happen in a 3- or 4-pole earth measurement, a resistivity measurement,
or an earth potential measurement.
This message is displayed when the measurement is triggered by a short press of
the START/STOP button and the resistances of the auxiliary electrodes are too high.
The measurement must then be started by a long press on the START/STOP but-
ton. The device then measures the values of the electrodes and compensates for
them to display the correct result.

10.1.2 Out of Range

or
<
and
<

10.1.3 Misconnection

H
Ground Resistance Tester Model 6471
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TROUBLESHOOTING

The flashing > or < symbol indicates the measurement is
>
out of range.
If both symbols flash together, it means that the accuracy
of the value displayed is outside of the instrument
specification or is subject to large fluctuations. Activating
>
the smoothing function (SMOOTH) may correct this.
Press the 2nd button, then the SMOOTH button to activate
smoothing.
S
ES
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CHAPTER 10
This flashing indicates that a terminal or a
current clamp needs to be either connect-
E
ed or disconnected. You must correct the
connections or the measurement will not
proceed. The flashing of terminal H may
also indicate that current I
flashing of terminal S may also indicate that
resistance R
terminal ES may also indicate that the cur-
rent I measured by the clamp is too low.
ES
is too low. The
H-E
is too high. The flashing of
S
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