6. Troubleshooting

In the table below, all possible events that can occur at the power up of the station are listed with the procedure what to do in case something is wrong.

STATUS LIGHT	NORMAL OPERATION	PROBLEM	SOLUTION
Fast blinking green light	Charging station’s backup batteries are charging. At the first power up it can take up to 10 min. If backup battery is full, green light will blink slowly.	If the light is blinking fast more than 10 min there might be a problem with the backup battery.	Inform the support about the status of the charging station.
Slowly blinking green light	LCD screen is preparing to turn on. Heating system is trying to heat the LCD before it is turned ON.	If the green light is blinking slowly for more than 10 minutes and the LCD has not been turned on, there might be a problem with the LCD.	Support should be called.
Steady glowing green light	Charging station is ready to be used.	/	/
No lights	/	If charging station is not responding after it is powered up, something might be wrong with power connection.	Check the protection elements if either RCD or overcurrent protection has been tripped. Activate the protection. If nothing helps call the support or installer.
Green light is blinking	LCD is turned on and charging station is ready to be used. When the LCD starts the logo will be first displayed and after that the charging station can be used.	LCD is turned on but freezes and is unresponsive.	Try resetting the charging station. If the problem repeats there might be a problem with the software. Support should be called.

Errors dangerous to device users:

Dangerous voltage present on enclosure or device under fire. In this case the device should be turned off immediately. Switch off device power supply of device in the distribution board from where device is supplied and not on device itself. Do not touch device.

If vehicle is connected at that moment, disconnect plug from the vehicle and not from the charging station, but only after the power supply was switched off. In the case of fire use fire extinguisher appropriate for electrical fire.

Faults occurred because of external conditions:

Undervoltage, overvoltage, short and long power supply outages, or wrong vehicle behaviour. In these cases, no action is needed to re-establish normal operating conditions.

Once fault is gone, normal operation conditions will be established automatically. If temporary fault was caused by vehicle, user will have to reinitiate charging session.

Device hardware failure preventing normal operation:

Example: Broken socket, broken LCD, electronics failure. If after restart device does not start normally, contact supplier support.

Charging station software failure:

Check that latest version of firmware is running on the charging station. If the latest version is installed and problem persist, then check if problem is caused by the charged vehicle. To check this, the charging could be tried on another charging station. If problem is not in the vehicle send diagnostic logs to the supplier.

The web interface of the charging station can also be used for troubleshooting.

The most common problems with solutions are presented in the following table. Please keep in mind these are only brief information to offer first support. For additional information check other Etrel documents, especially Service manual.

PROBLEM	SOLUTION
LCD screen on the station is inactive.	Check the power supply. Check the state of safety elements, especially the main controller protection. Check the output voltage of the 12V DC power supply unit.
The station has collapsed or is damaged and easily exposed to water.	Cut the power supply immediately. The station must be dismantled, and power supply cables secured. The station can then be replaced.
The user completed the identification and plugged the cable into the IEC 62196-2 Type 2 socket, yet the station does not register that the cable has been plugged in.	The user should first check if the cable is plugged in properly. The next step is to determine with the help of the maintenance staff whether the user's vehicle supports the IEC 61851 standard on which the station's operation is based.
The user tries to perform the identification, but the LCD display shows only »Unknown user«.	The smart card that was used for identification is not part of the system or the user is not a registered user.
The user is unable to perform the identification with a verified smart card.	The user should hold the smart card against the RFID card reader and wait for a few seconds for the beep.
The user tries to perform the identification which takes much longer than usual and results in a »Error occurred while logging in« message.	Check if the Control centre is operating normally and if the communication between the charging station and the Control centre is functioning properly.
The charging stations fails to send the cyclic message to the Control centre (it failed to do so for over two hours).	The maintenance staff should examine the functioning of the station (e.g., LCD screen is active). If the station is functioning, the cause of the problem is probably in the communication connection. If the station is not functioning (e.g., LCD screen is inactive), the station might be without power or some protection equipment has been activated.

Reseting the Charging Station

Charging station can be reset by opening the doors and resetting the main circuit breaker (80 A) at the bottom.

Disconnect the main circuit breaker, wait for couple of seconds and turn it back on.

Figure 45: Main circuit breaker can be used to reset the charging station

The reset of the charging station can be made from the web interface as well.

EV Solutions Knowledge Centre

INCH DUO Troubleshooting

Table of Contents

6. Troubleshooting

Reseting the Charging Station