Anomalous Situations - HT COMBITEST422 User Manual

L-N and L-PE corresponding to the selections carried out
in the initial phase (see § 5.1.3) as shown in the screen to
the side.
14. Press the GO/STOP key on the instrument, the START
key on the remote switch probe or use the AutoStart
feature (see § 5.1.5). The instrument starts the
measurement and the "Measuring..." message is shown
at display. During this whole stage, do not disconnect the
measuring leads of the instrument from the system under
test. The following screen appears on the instrument's
display.
15. In case of positive result (calculated minimum short-
circuit current HIGHER than tripping current of the
protection device within the specified time – see § 12.6),
the "OK" message and the screen to the side are
displayed by the instrument.
16. In case of negative result (calculated minimum short-
circuit current LOWER than tripping current of the
protection device within the specified time – see § 12.6),
the "NOT OK" message and the screen to the side are
displayed by the instrument.
17. Press the SAVE key to store the test result in the instrument's memory (see § 7.1) or
the ESC/MENU key to exit the screen without saving and go back to the main
measuring screen.

6.7.11. Anomalous situations

1. If the instrument detects a frequency higher than the
TN
ZL-PE
FREQ. = 50.00Hz
VL-PE=232V
L-PE
FUNC
L O O P
TN
ZL-PE
FREQ. = 50.00Hz
VL-PE=232V
L-PE
FUNC
L O O P
TN
min
I
pfc
ZL-PE
FREQ. = 50.00Hz
VL-PE=232V
L-PE
FUNC
L O O P
TN
min
I
pfc
ZL-PE
FREQ. = 50.00Hz
VL-PE=232V
L-PE
FUNC
L O O P
EN - 71
COMBITEST422
A
= - - -

= - - -
VL-N=231V
Ut 16A 0.2s
MODE MCB-C Time
15/10 – 18:04
A
= - - -

= - - -
VL-N=231V
Measuring...
Ut 16A 0.2s
MODE MCB-C Time
15/10 – 18:04
A
= 214

= 1.03
VL-N=231V
OK
Ut 16A 0.2s
MODE MCB-C Time
15/10 – 18:04
A
= 1695

= 0.13
VL-N=231V
NOT OK
Ut 16A 0.2s
MODE MCB-C Time
15/10 – 18:04