EXP EXP180K2-FD - Page 35

19
19
Insulation Alarm
CA
This is from IMSU-D after
detected the insulation
abnormal
20
20
PLC ComFail Alarm
CA
This is from IMSU-D when
the PLC communication is
lost
21
21
Ground Fault
CA
This is from IMSU-D after
detected ground fault
22
22
AC Fail Alarm(for
AC only)
CA
This is from IMSU-D after
detected AC gun input
fails(DI)
23
301
CR CommFail
CA
The communication
between IMMU2 and Card
Reader is failed. This
usually means the
authentication with RFID
card loses efficacy and
user has to take other
method instead(e,g OTP)
24
401
kWhMeterCommFail
CA
The communication
between IMMU2 and
specified kWh meter is
failed. This means the
specified gun will be out of
service and forbid to
charge
25
402
Sampled Invalid
Current
CA
The measurement from the
specified kWh meter is
invalid. This usually
happens with a reversed
wiring for the current
shunt.
1. CA - Critical alarm MA - Major alarm OA - Observative Alarm