HT instruments SPEED418 - Manual (Page 35)

400 Series
EN - 34
14. If the instrument detects that, in
case the test should be
performed, a contact voltage
higher than the set limit would
build up in the system being
tested, 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
R C D
0°
---ms
FRQ=50.0Hz Ut=0.0V
VP-N=231V VP-Pe=231V
Ut > Ulim
The instrument detects a dangerous
contact voltage
x1 30mA 50V
Func IdN RCD UL
15. If the RCD trips while
performing the preliminary
checks (automatically
performed by the instrument
before performing the
selected test), the instrument
displays the message
reported here to the side.
Check that all loads
connected downstream of the R C D
0°
---ms
FRQ=50.0Hz Ut=0.0V
VP-N=231V VP-Pe=231V
RCD TRIPPED
RCD tripped during preliminary
checks
x1 30mA 50V
Func IdN RCD UL
RCD being tested are disconnected and that the set value for IdN matches the RCD
being tested
16. If, after repeated tests, the
instrument has overheated,
the message reported here
to the side is displayed. Wait
for this message to
disappear before performing
other tests
R C D
0°
---ms
FRQ=50.0Hz Ut=1.4V
VP-N=231V VP-Pe=231V
Hot temperature Overheated instrument
x1 30mA 50V
Func IdN RCD UL
17. The previous anomalous results cannot be saved