![background image](http://html1.mh-extra.com/html/ht/multitest-m72/multitest-m72_user-manual_2178139037.webp)
MULTITEST M72 - M73 - M74 - M75
EN - 36
5.
If during measurement the green probe is
connected to the phase conductor and
the black probe is connected to the
protective conductor, the instrument does
not perform the test and emits a
prolonged sound to signal the anomalous
situation. The screen beside is displayed
for 5 seconds after which the instrument
displays the default screen of Ra test
This can happen even if the wrong connection is performed on the back side of the
power socket