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that the socket is wired correctly.
Connect an IEC lead to the mains socket and plug this into the back of the meter
as shown in Diagram 6.
1）If the Live and Neutral in the socket wiring are reversed or there is a fault with
the protective earth connection this is indicated as “LN√, LE×, NE×, FAIL”.
2）If there is a fault with the neutral connection this is indicated as “LN×, LE√,
NE×, FAIL”.
3）If the mains socket wiring is correct the display will show “LN√,LE√, NE√,
PASS”.
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