Loop Faulty Cases - MARTINDALE VR2250 User Instruction Manual

6.4.7. LOOP Faulty Cases
If the instrument detects
the External Power
supply adapter
connected, the
instrument will show the
message displayed
along side.
Should the instrument
detect that the phase
and/or neutral cables
are not connected to an
installation, the screen
alongside is displayed
when pressing START.
Should the instrument
detect a voltage
between phase and
neutral higher of 250V,
for example in case the
black cable is connected
to an installation phase
conductor of a 400V
three-phase system, the
screen alongside is
displayed.
LOOP 05.06.01
Ω
- - -
---A
FRQ=50.0HZ
VP-N=231V VP-PE=230V
REMOVE POWER
P-N
FUNC Z2Ω
LOOP 05.06.01
Ω
- - -
---A
FRQ=50.0HZ
VP-N= 1V VP-PE=
NO VOLTAGE
P-PE
FUNC Z2Ω
LOOP 05.06.01
Ω
- - -
---A
Freq=50.0HZ
VP-N=401V VP-PE=230V
HIGH VOLTAGE
P-PE
FUNC Z2Ω
Page 45 of 131
Disconnect the External
Power Supply Adapter
0V
NO VOLTAGE Detected
50V
UL
HIGH VOLTAGE Detected
50V
UL
VR2250