EASYTEST-COMBI519
If the instrument detects the absence of the signal to
terminal B1 (phase conductor), it provides the warning
screen shown to the side and blocks the execution of
the tests.
If the instrument detects a dangerous contact voltage Ut
(above the set limit of 25V or 50V) in the initial pre-test,
it provides the warning screen shown to the side and
blocks the execution of the tests. Check the PE
conductor and earth connection efficiency.
If the RCD does not trip within the maximum duration of
the test, the instrument gives a long acoustic signal
which signals the negative result of the test and then
displays a screen similar to the one reported here to the
side. Check that the set type of RCD matches the type
of RCD being tested.
If the instrument detects, at the input terminals, too high
an external impedance so that it cannot let the nominal
current flow, it provides the warning screen shown to the
side and blocks the test. Disconnect the possible loads
downstream of the RCD before performing the test
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