COMBI521
EN - 109
77.
Press the
GO/STOP
key.
The instrument will start
measuring and the display will show the message
“
Measuring
…”
.
During this whole stage, do not
disconnect the test leads of the instrument from the
system being tested. The following screen appears on
the display:
When the RCD trips and breaks the circuit, in case the
tripping time and the tripping current are within the limits
reported in § 12.4, the instrument gives out a double
acoustic signal which indicates the display of the
message “
OK
” and of the screen to the side.
RCD
15/10 – 18:04
T T
I =
2 4 m A
T
=
2 6
m s
U t
=
- - -
V
FREQ. = 50.00Hz
VL-PE=231V VL-N=234V
OK
30mA
+
No Ut
MODE
I
n
Type Ut
78.
Press the
SAVE
key to partially save the test, and to carry on with the subsequent test
(no. 82).
79. Activate the EVSE system again in the following way:
Move selector CP State
A
Move selector CP State
C
If the RCD trips, reset it.
RCD
15/10 – 18:04
RCD tripping Ok.
To restore the EVSE system,
turn CP to A and go back to the
current position. If the external
RCD trips, reset it.
80. At the end of the test, if the tripping current is not within
the values indicated in § 10.1, the instrument displays the
message “
FAIL
” to indicate the negative outcome of the
test and displays a screen like the one on the side.
RCD
15/10 – 18:04
T T
I =
> 3 3 m A
T > 3 0 0
m s
U t
=
- - -
V
FREQ. = 50.00Hz
VL-PE=231V VL-N=234V
FAIL
30mA
+
No Ut
MODE
I
n
Type Ut
81. Press the
SAVE
key to partially save the test and to
end
the sequence of tests
. The instrument shows the
message contained in the following screen for a few
seconds.
Repeat the sequence again, if necessary.
RCD
15/10 – 18:04
Sequence completed
30mA
+
No Ut
MODE
I
n
Type Ut