Operation Manual

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Low battery indication. Battery pack is too weak to gua-
rantee correct result. Replace the batteries.
Charging is running (if power supply adapter is
connected).
4.1.3 Messageeld–measurementwarnings/messages
Warning! High voltage is applied to the test terminals.
Warning! Phase voltage on the PE terminal! Stop all the
measurements immediately and eliminate the fault before
proceeding with any activity.
Measurement is running. Consider any displayed
warnings.
Measurement can be performed after pressing the TEST
key. Consider any displayed warning after starting the
measurement.
Measurement prohibited! Consider any displayed war-
nings and check online voltage/terminal monitor.
TestleadresistanceinlowΩresistancemeasurementis
compensated.
RCD tripped during the measurement. The trip limit may
beexceededasaresultofleakagecurrentowingtothe
PE protective conductor or capacitive connection bet-
ween L and PE conductors.
RCD not tripped during the measurement.
BENNING IT 110/ BENNING IT 120 B overhea-
ted. The temperature of internal components in the
BENNING IT 110/ BENNING IT 120 B reached the top
limit. Measurement is prohibited until the temperature is
lower than that limit.
Battery capacity is too low to guarantee correct result.
Replace the batteries.
Fuse F1 (continuity circuit) blown or not inserted.
Single fault condition in IT system.
Noise voltage is present between H and E or S test
terminals.
Resistance of auxiliary earth electrode is too high.
Probe resistance is too high.