HT instruments SPEED418 - Manual (Page 42)

400 Series
EN - 41
4. If the instrument detects that
the phase and earth leads
are inverted, the message
reported here to the side is
displayed. Check the
connection of the cables
L O O P
----

- - - A
FRQ=50.0Hz
VP-N= 1V
VP-Pe=231V
REVERSE P-PE
The phase and earth conductors are
inverted
P-N STD
Func Mod.
5. If the instrument detects a
phase-to-neutral voltage and
a phase-to-earth voltage
lower than the limit, the
message reported here to
the side is displayed. Check
that the system being tested
is energized
L O O P
----

- - - A
FRQ=50.0Hz
VP-N= 1V
VP-Pe= 1V
Low voltage Insufficient voltage
P-N STD
Func Mod.
6. If the instrument detects a
phase-to-neutral voltage or a
phase-to-earth voltage higher
than the limit, the message
reported here to the side is
displayed. Check that the
instrument is not phase-to-
phase connected
L O O P
----

- - - A
FRQ=50.0Hz
VP-N=281V
VP-Pe=280V
High voltage High voltage detected
P-N STD
Func Mod.
7. If the instrument detects a
phase-to-neutral voltage
lower than the minimum limit,
it does not perform the test and
displays the message
reported here to the side.
Check the efficiency of the
neutral conductor
L O O P
----

- - - A
FRQ=50.0Hz
VP-N= 1V
VP-Pe=231V
MISSING N Missing neutral conductor
P-N STD
Func Mod.
8. If the instrument detects an
extremely high earth
resistance, so that it deems
the earth conductor or the
earthing absent, it does not
perform the test and displays
the message reported here
to the side. Check the
efficiency of the protective
conductor and the earthing
L O O P
----

- - - A
FRQ=50.0Hz
VP-N=231V
VP-Pe=160V
MISSING-PE Inefficient earthing
P-N STD
Func Mod.