101
Operating instructions – AC SMART
12 Troubleshooting
The LED status indicates faults during operation of the EV charging box. If the EV charging box is
connected to the AC SMART App or accessible via the web server, then detailled fault descriptions and
troubleshooting measures will be listed in the AC SMART App and in the web server.
12.1 LED status indicators
LED status indicators
Possible cause
Recommended action
The LED is not illuminated. The function LED inactivity
is active and the LED status
indicator went out after the
set time.
►
Check the settings in the AC SMART App
or the web server.
►
Commission an electrician to correct the
fault.
The LED will be illuminated
red briefly and you will
hear a descending se-
quence of tones.
The RFID tag is not
registered.
►
Hold a registered RFID tag in front of the
interaction surface to start a charging
process.
The charging process was
started with another RFID
tag.
►
To stop a charging process, hold the same
registered RFID tag in front of the interac-
tion surface with which you released the
charging process.
The LED will be illuminated
continuously red.
There is an error associated
with the connected vehicle.
►
Disconnect the charging plug from the
vehicle and the EV charging box.
►
Connect the vehicle to the EV charging
box once again.
►
If the error is still present, start the
AC SMART App or the web server.
The error is displayed.
►
Follow the troubleshooting instructions,
see page 102.
The LED flashes red.
There is an error.
► Switch off the residual current protective
device.
►
Switch the residual current protective
device back on after 10 seconds.
►
If the error still occurs, start the
AC SMART App or the web server.
The error is displayed.
►
Follow the troubleshooting instructions,
see page 102.
►
If the fault cannot be corrected with the measures described, contact Weidmüller Service or commis-
sion an electrician to correct the fault.
12.2 Handling load/charge management
Fault
Possible cause
Recommended action
The charging process does
not start.
Load/charge management is activated
and the connected vehicle is on the
waiting list.
►
Provide the minimum charging
current of 6 A.
