ABB Terra AC Series, Installation Manual

Page: 43 / 58

Problem Possible cause Possible solution
There is a relay con-
tact failure
The relay contact is over-
heated or defective.
1. Examine the relay contact.
2. If necessary, adjust the current.
3. If necessary, replace the relay
contact.
The AC input lines
are reversed.
The rated current capacity of
the cable is different from
the rated current of the
EVSE.
Connect a cable that has the same
rated current as the EVSE. Refer to
section
11.11
.
The error
Missing
earth shows
The EVSE is not earthed
correctly.
1. Do a check of the protective
earth line of the connector of
the AC input.
2. Install the protective earth con-
ductor.
There is no internet
connection
The internet connectivity be-
tween the EVSE and the
router is lost.
Connect the EVSE to the internet.
The RJ45 cable or plug is
defective
If it is necessary, replace the RJ45
cable or plug.
There is no WiFi Do a check of the WiFi signal
strength at the site.
There is no 3G/4G connec-
tivity
1. Do a check of the Nano-SIM
card connections.
2. Do a check of the 3G/4G signal
strength at the site.
The EV is not charg-
ed
There is a problem with the
EVSE
1. Make sure that the power sup-
ply to the EVSE is on.
2. Examine the EVSE to find if is
working correctly.
3. Examine the mobile app and
the charge LED to make sure
that the charging session is au-
thorized.
4. Start the charging session.
The EV charge cable is de-
fective.
1. Examine the EV charge cable.
2. If the standard supplied EV
charge cable is defective, re-
place the EV charge cable. Re-
fer to section
7.5
.
The car connection
or authorization
process fails
The EV charge cable is de-
fective.
1. Examine the EV charge cable.
2. If the standard supplied EV
charge cable is defective, re-
place the EV charge cable. Re-
fer to section
7.5
.
Troubleshooting
BCM.V3Y01.0-EN | 001 43