MI 2140 MI 2140 Omega &BetaPAT Instrument description
10
VOLTAGE ON
SOCKET FROM APPLIANCE
Measurement is ABORTED
An external voltage is present on test socket –
check measurement circuit.
OVERHEATED
Measurement is ABORTED
The instrument was overheated during the
measurement of earth bond – allow the
instrument to cool down before proceeding with
the measurements.
High DC voltage between L-N and PE on test
socket (during insulation test).
(MI2140 only)
Presence of dangerous HV voltage during Flash
test.
1500V between L-N and PE on test socket
3000V between Flash terminal and L-N on test
socket.
Dangerous mains voltage on test socket (during
Leakage/Power and Touch Leakage tests).
Device under test must be switched on during
test
EB
CLIP
Use Earth Bond clip in this test.
Ensure that the Earth Bond clip is not connected
to any part of the appliance that may heat up or
rotate when switched on.
IEC
PLUG
Connect the lead to be tested to the IEC plug.
Note:
• The ‘L-N resistance too high’ message is shown if the L-N circuit pretest fails.
In this case it is recommended to check whether the power switch is switched on
and/or the mains fuse is not broken.
This pretest is performed:
- Before the first Insulation, SubLeakage, Leakage, Touch Leakage test in the
SINGLE TEST menu.
- Before the one test of Insulation, SubLeakage, Leakage, Touch Leakage (whichever
is selected first) in AUTOTEST – SHORTCUT and AUTOTEST – CUSTOM menus.
This pretest is skipped for Polarity test.
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