Led Indications, Mains Connections And Potential Differences - Gossen MetraWatt PROFITEST MBASE MTECH Operating Instructions Manual

18.1

LED Indications, Mains Connections and Potential Differences

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