User Manual

GMC-I Messtechnik GmbH 75
18 LED Indications, Mains Connections and Potential Differences
Status
Test
plug
Meas.
Adapter
Position of the
Function Switch
Function / Meaning
LED Indications
NETZ/
MAINS
Lights up
green
X
I
ΔN
/ I
F
Z
L-N
/ Z
L-PE
/ R
E
ΔU, Z
ST
, kWh, IMD,
int. ramp, RCM
Correct connection, measurement enabled
NETZ/
MAINS
Blinks
green
X
I
ΔN
/ I
F
Z
L-N
/ Z
L-PE
/ R
E
ΔU, Z
ST
, kWh, IMD,
int. ramp, RCM
N conductor not connected,
measurement enabled
NETZ/
MAINS
Lights up
Yellow
X
I
ΔN
/ I
F
Z
L-N
/ Z
L-PE
/ R
E
Line voltage of 65 V to 253 V to PE, 2 different phases active (no N con-
ductor at mains), measurement enabled
NETZ/
MAINS
Blinks red
XX
I
ΔN
/ I
F
Z
L-N
/ Z
L-PE
/ R
E
ΔU, Z
ST
, kWh, IMD,
int. ramp, RCM
1) No line voltage or
2) PE interrupted
NETZ/
MAINS
Lights up
red
X
R
LO,
R
INS
, R
E
,
I
L
, Probe
Interference voltage detected at the senses.
The measurement has been disabled.
NETZ/
MAINS
Blinks Yel-
low
X
I
ΔN
/ I
F
Z
L-N
/ Z
L-PE
/ R
E
L and N are connected to the phase conductors.
U
L
/R
L
Lights up
red
XX
R
ISO
, R
LO
, R
E
,
Z
L-N
, Z
L-PE
,
ΔU, I
L
,
U
res
, Probe
The set limit value has been violated.
R
E
, Z
L-PE
, I
F
, I
ΔN
,
t
a
+ΔI, RCM
Limit value U
L
of the residual voltage has been exceeded.
A safety shutdown has been performed.
Z
L-N
, Z
L-PE
,
Z
ST
, IMD, kWh, RCM,
PRCD, E-Mobility
The test has been evaluated manually with „NOT OK“.
FI/RCD
Lights up
red
XX
I
ΔN
/ I
F
int. ramp
The RCCB was not tripped, or was tripped too late during the tripping
test.
Mains Connection Test — Single-Phase System — LCD Connection Pictographs
is dis-
played
All except for U No connection detected
is dis-
played
All except for U Connection OK
is dis-
played
All except for U L and N reversed, neutral conductor charged with phase voltage
is dis-
played
All except for U and RE
No mains connection
RE Standard display without connection messages
is dis-
played
All except for U Neutral conductor interrupted
is dis-
played
All except for U
Protective conductor PE interrupted,
neutral conductor N
and/or
phase conductor L charged with phase voltage
is dis-
played
All except for U
Phase conductor L interrupted,
neutral conductor N charged with phase voltage
is dis-
played
All except for U Phase conductor L and protective conductor PE reversed
is dis-
played
All except for U
Phase conductor L and protective conductor PE reversed
Neutral conductor interrupted (with probe only)
is dis-
played
All except for U L and N are connected to the phase conductors.
?
?
?
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