HT instruments SIRIUS89N User Manual
Page 46

SIRIUS89N
EN - 44
6.4.7. LOOP
Faulty Cases
LOOP 05.06.01
Disconnect the External
Power Supply Adapter
If the instrument detect
the External Power
supply adapter
connected to instrument
will show the message
displayed to side.
- - -
Ω
---A
FRQ=50.0HZ
VP-N=231V VP-PE=230V
o REMOVE POWER
P-N
!
FUNC Z2
Ω
LOOP 05.06.01
NO VOLTAGE Detected
Should the instrument
detect that the phase
and/or neutral cables
are not connected to an
installation, screen
alongside is displayed
when pressing START.
- - -
Ω
---A
FRQ=50.0HZ
VP-N= 1V VP-PE= 0V
NO VOLTAGE
P-PE 50V
!
FUNC Z2
Ω
UL
LOOP 05.06.01
HIGH VOLTAGE Detected
- - -
Ω
---A
Freq=50.0HZ
VP-N=401V VP-PE=230V
HIGH VOLTAGE
P-PE 50V
!
FUNC Z2
Ω
UL
Should the instrument
detect a voltage
between phase and
neutral higher of 250V,
for example in case the
blue cable is connected
to an installation phase
conductor of a 400V
three-phase system, the
screen alongside is
displayed.