COMBITEST422
EN - 48
9. If the instrument detects the absence of the signal to
terminal B1 (phase conductor), it provides the warning
screen shown to the side and blocks the execution of the
tests.
R C D
15/10
– 18:04
TT
T
Ut
=
=
- - -
- - -
ms
V
FREQ. = 50.00 Hz
VL-PE= 0V
VL-N=0V
Missing P
X1
30mA
+
MODE
I
n
Type
Ut
10. If the instrument detects a dangerous contact voltage Ut
(above the set limit of 25V or 50V) in the initial 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.
R C D
15/10
– 18:04
TT
T
Ut
=
=
- - -
- - -
ms
V
FREQ. = 50.00 Hz
VL-PE= 231V VL-N=232V
Cont. Voltage > Lim
X1
30mA
+
MODE
I
n
Type
Ut
11. If the RCD does not trip within the maximum duration of
the test, the instrument gives a long acoustic signal which
signals the negative result of the test and then displays a
screen similar to the one reported here to the side. Check
that the set type of RCD matches the type of RCD being
tested.
R C D
15/10
– 18:04
TT
T
Ut
=
=
> 999
1
ms
V
FREQ. = 50.00 Hz
VL-PE= 231V VL-N=232V
NOT OK
X1
30mA
+
MODE
I
n
Type
Ut
12. If the instrument detects, at the input terminals, too high
an external impedance so that it cannot let the nominal
current flow, it provides the warning screen shown to the
side and blocks the test. Disconnect the possible loads
downstream of the RCD before performing the test
R C D
15/10
– 18:04
TT
T
Ut
=
=
- - -
- - -
ms
V
FREQ. = 50.00 Hz
VL-PE= 231V VL-N=232V
Ext. Impedance too high
X1
30mA
+
MODE
I
n
Type
Ut
Kommenterede [S18]:
Io ho inteso così, ma verifica per favore
che la mia interpretazione sia corretta.
