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Major tech MT390 - Tester Operation Guide (cont.); LOOP;PFC Function Display Details; RCD Function Display Details

Major tech MT390
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5.1.2-Displayed icons (symbols) and messages in LOOP/PFC function
:Indicates the correct input terminal connectivity . The user should connect the test leads
to the appropriate terminals.
:Indicates L connection is connected on the N input terminal and vice-versa
:Indicates no connection on the PE input terminal
If the wiring condition is other than normal, the Tester is limited on its measurements that can be performed.
Will not detect two hot wires in a circuit.
Will not detect a combination of defects.
Will not detect reversal of grounded and grounding conductors.
:Indicates the battery status.
:100%
:80%
:50%
:20%
:Low Battery
:Indicates high temperature and therefore cannot make any measurements
Measuring : Function in use - measurement being carried out
RCD Trip: During the measurement, the RCD has tripped therefore no test result obtained
-Noise-: Appears during the No Trip Loop Measurement, and indicates that the displayed value may not be
accurate due to “mains” interference - test to be repeated
5.1.3-Displayed icons (symbols) and messages in RCD function
: Indicates the correct input terminal connectivity . The user should connect the test leads
to the appropriate terminals.
: Indicates L connection is connected on the N input terminal and vice-versa
: Indicates no connection on the PE input terminal
If the wiring condition is other than normal, the Tester is limited on its measurements that can be performed.
Will not detect two hot wires in a circuit.
Will not detect a combination of defects.
Will not detect reversal of grounded and grounding conductors.
: Indicates the battery status.
: 100%
: 80%
: 50%
: 20%
Notes:
Message:
Notes:
-Noise-:
14
Multifunction Tester User Manual

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