User Manual

GMC-I Messtechnik GmbH 43
16 LED Indications, Mains Connections and Potential Differences
Status Error
No.
Position of the
Function Switch
Function / Meaning
LED Signals
MAINS/
NETZ
Lights up
green
lc1
(lc = line
control)
I
∆N
/ I
F
Z
L-N
/ Z
L-PE
/ R
E
∆U, int. ramp, EXTRA
Correct connection, measurement enabled
MAINS/
NETZ
Blinks
green
lc2
I
∆N
/ I
F
Z
L-N
/ Z
L-PE
/ R
E
∆U, int. ramp
N conductor not connected,
measurement enabled
MAINS/
NETZ
Lights up
orange
lc3
I
∆N
/ 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 neutral conductor at mains), measurement enabled
MAINS/
NETZ
Blinks red
lc4
I
∆N
/ I
F
Z
L-N
/ Z
L-PE
/ R
E
∆U, int. ramp
1) No line voltage or
2) PE interrupted
MAINS/
NETZ
Lights up
red
lc5
RINS
/ RLO
Interference voltage detected, measurement disabled
MAINS/
NETZ
Blinks Yel-
low
lc6
I
∆N
/ I
F
Z
L-N
/ Z
L-PE
/ R
E
L and N are connected to the phase conductors.
LIMIT
Lights up
red
lc7 I
∆N
– Touch voltage U
I∆N
and U
I∆
>25V respectively >50V
– After safety shutdown
LIMIT
Lights up
red
lc8
I
F
int. ramp
– With rising residual current, the RCD is not tripped before reaching I
N
.
– After safety shutdown
LIMIT
Lights up
red
lc9
RINS
/ RLO
– Limit value exceeded or fallen short of
Mains Connection Test — Single-Phase System — LCD Connection Pictographs
Is dis-
played
lc10 All except for U No connection detected
Is dis-
played
lc11 All except for U Connection OK
Is dis-
played
lc12 All except for U L and N reversed, neutral conductor charged with phase voltage
Is dis-
played
lc13
All except U and RE No mains connection
RE Standard display without connection messages
Is dis-
played
lc14 All except for U Neutral conductor interrupted
Is dis-
played
lc15 All except for U
Protective conductor PE interrupted,
neutral conductor N and/or phase conductor L charged with phase voltage
Is dis-
played
lc16 All except for U
Phase conductor L interrupted,
neutral conductor N charged with phase voltage
Is dis-
played
lc17 All except for U Phase conductor L and protective conductor PE reversed
Is dis-
played
lc19 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