Gossen MetraWatt PROFITEST MBASE MTECH - LED Indications, Mains Connections and Potential Differences

GMC-I Messtechnik GmbH 51
18.1 LED Indications, Mains Connections and Potential Differences
Status Test
Plug
Meas.
Adapter
Selector Switch
Position
Function / Meaning
LED Indications
NETZ/
MAINS
lights up
green
X
I

N / I
F
Z
L-N
/ Z
L-PE
/ R
E
Correct connection, measurement enabled
NETZ/
MAINS
blinks
green
X
I

N / I
F
Z
L-N
/ Z
L-PE
/ R
E
N conductor not connected,
measurement enabled
NETZ/
MAINS
blinks red
XX
I

N / I
F
Z
L-N
/ Z
L-PE
/ R
E
1) no line voltage or
2) PE interrupted
NETZ/
MAINS
lights up
red
XR
ISO
/ R
LO
Interference voltage detected, measurement disabled
NETZ/
MAINS
lights up
yellow
X
I
N
/ I
F
Z
L-N
/ Z
L-PE
/ R
E
L and N are connected with the phase conductors.
U
L
/R
L
lights up
red
XX
I
N
R
ISO
/ R
LO
– Contact voltage U
IN
or U
I
>25V or >50V
– Safety shut-down has occurred
– Limit value exceeded or fallen short of for R
INS
/ R
LO
function
FI/RCD
lights up
red
XX I
N
/ I
F
The RCCB was not tripped, or was tripped too late during the
tripping test.
Mains Connection Test — Single-Phase System
LCD Connection Pictograph
is
displayed
All except for U No connection detection
is
displayed
All except for U Connection OK
is
displayed
All except for U L and N reversed, neutral conductor charged with phase voltage
is
displayed
All except for U No mains connection
is
displayed
All except for U Neutral conductor interrupted
is
displayed
All except for U
Protective conductor PE interrupted, neutral conductor N and/or phase
conductor L charged with phase voltage
is
displayed
All except for U
Phase conductor L interrupted, neutral conductor N charged with phase
voltage
is
displayed
All except for U Phase conductor L and protective conductor PE reversed
is
displayed
All except for U
Phase conductor L and protective conductor PE reversed
Neutral conductor interrupted (only with probe)
is
displayed
All except for U L and N are connected with the phase conductors.
Mains Connection Test — 3-Phase System
LCD Connection Pictograph
is
displayed
U
(3-phase measurement)
Clockwise rotation
is
displayed
U
(3-phase measurement)
Counter-clockwise rotation
is
displayed
U
(3-phase measurement)
Short between L1 and L2
?
?
?
N
PE
L
N
PE
L
N
PE
L
N
PE
L
x
N
PE
L
x
N
PE
L
x
N
PE
L
N
PE
L
x
N
PE
L