COMBI521
EN - 74
9. If the instrument detects that the phase L and neutral N
leads are inverted, it does not carry out the test and a
screen similar to the one reported to the side is displayed.
Rotate the mains plug or check the connection of
measuring cables.
L O O P
15/10 – 18:04
TN
Ipfc
ZL-PE
=
=
- - -
- - -
A
FREQ. = 50.00Hz
VL-PE= 1V
VL-N= 231V
Echange L-N
L-PE STD
FUNC
MODE
10. If the instrument detects that the phase and PE leads are
inverted, it does not carry out the test and a screen
similar to the one reported to the side is displayed. Check
the connection of measuring cables.
L O O P
15/10 – 18:04
TN
Ipfc
ZL-PE
=
=
- - -
- - -
A
FREQ. = 50.00Hz
VL-PE= 231V VL-N= 1V
Echange L-PE
L-PE STD
FUNC
MODE
11. If the instrument detects a dangerous contact voltage Ut
(above the set limit of 25V or 50V) in the starting 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.
L O O P
15/10 – 18:04
TT
R
A
Ut
=
=
- - -
- - -
V
FREQ. = 50.00Hz
VL-PE= 231V
Contact Volt. > Lim
Ra 2Wire 30mA
FUNC
MODE
I
n
