AEMC 6471 - Glossary

78 Ground Resistance Tester Model 6471
10.1.5 Error Messages
When started up, the Model 6471 device automatically performs a self-test. If a
fault appears during this self-test or during a measurement, the device displays a
message in the form Err XX.
Thereare3categoriesoferrors:
• Harmless Errors 6, 7, 11 and 17
The message appears for approximately 1 second to inform
the user. Consider a repair if the error recurs.
• Errors 6 and 7 are always preceded by an automatic reset.
• During Error 11, the tester automatically resets to the fac-
tory default settings.
• Correctable
Errors 5, 9, 14, 15, 18, 19, 30, 31, 32 and 33
These errors concern the current measurement function and
disappear if the function is changed. The device can therefore
be used, but a repair will be necessary if the error persists.
• Error 18 indicates that the rechargeable battery in the
tester cannot be recharged. If this error occurs during
recharging, disconnect the tester from the charger and
follow the procedure described in the “fatal” errors.
• Error 19 can be corrected by clearing the entire memory of
the unit (see section 8.3).
• Errors 31, 32 and 33 indicate excessive voltage or
excessive current during a measurement. Check the
measurement setup for faults.
• Fatal
Errors 0, 1, 2, 3, 8, 12, 13, 15, 16, 18 (during battery recharge)
and 21
These errors make operation of the unit impossible. Turn off
the unit and turn it on again. If the error persists, repair is
necessary.
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