Troubleshooting; Error Reporting; Electrode Resistance Too High; Out Of Range - AEMC 6470-b 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

<
<

10.1.3 Misconnection

H
Ground Resistance Tester Model 6470-B
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TROUBLESHOOTING

The flashing > or < symbol indicates the measurement is
or
>
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
and
>
the smoothing function (SMOOTH) may correct this.
Press the 2nd button, then the SMOOTH button to activate
smoothing.
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CHAPTER 10
This flashing indicates that a terminal
needs to be either connected or discon-
E
nected. You must correct the connections
or the measurement will not proceed. The
flashing of terminal H may also indicate that
current I is too low. The flashing of termi-
H-E
nal S may also indicate that resistance R
is too high.
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