Man" And "Timer" Mode Faulty Cases - MARTINDALE VR2250 User Instruction Manual

6.2.4. "MAN" and "TIMER" mode faulty cases

If the instrument
detects the External
Power supply adapter
connected to the
instrument, the
message along side
will be displayed.
If the instrument
detects a Voltage
between Input
terminals higher than
15V, the instrument
does not perform the
test and displays the
screen alongside for 5
seconds.
If the instrument
cannot generate the
Nominal Test Voltage
it will emit a long
acoustic signal and
displays a screen
similar to the screen
alongside.
The displayed result can be stored pressing the SAVE key twice (according to
paragraph 9.1).
MΩ 05.06.01
Ω
-.- -
M
---V 15s
REMOVE POWER
MAN 500V
FUNC VNOM
MΩ 05.06.01
Ω
-.- -
M
---V 15s
VOLT IN INPUT
MAN 500V
FUNC VNOM
These results cannot be saved
MΩ 05.06.01
Ω
1.17
M
107V 15s
MAN 500V
FUNC VNOM
Page 24 of 131
Disconnect the External Power
Supply Adapter
ATTENTION: the test cannot be
executed. Check that the circuit is
not energised.
Insulation Resistance
ATTENTION: the test of
resistance R was performed
ISO
at a voltage value lower than
the set rated voltage. Low
insulation case. This case
occurs under low insulation
conditions or in the presence of
capacity on the installation.
Test Time
VR2250