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Etrel Load Guard | User manual
|
SERIAL NUMBER IS NOT VALID
If the Load Guard Configuration Software the message
“
Serial number is
not valid
” is shown
, the correct serial number must be written in the web
interface of charging station.
Figure 38: Message that the serial number is not valid
LOAD GUARD DOES NOT MEASURE VOLTAGE
When Load Guard is connected only in single-phase connection and in the
“
Load Guard Configurator
”
windows, the voltage is not shown, or it is very
low (~5 V) it means that the supply of phase and neutral conductors of
Load Guard are switched.
Note: The following two figures are showing single-phase connection.
Figure 39: Display of measurements when the neutral and phase conductors are not
correctly connected
In this case the neutral and phase conductor should be switched to enable
correct measurement of voltage.
Figure 40: Display of measurement when the neutral and phase conductors are
correctly connected