Troubleshooting
Why the screen of the DC Wall box is not on?
1. Check if the key switch is on.
2. Check if the two multi-function button below the screen is on.
a. If the buttons are not on, check if the charger is plugged into the electrical socket.
b. If the buttons are on, then the screen in broken. In this case, you should contact service
number.
Cannot connect to 3G/4G, what should I do?
Check if there is a pin less SIM card in the charger and if the modem cable is well plugged in.
Connected to 3G/4G, but cannot connect to backend (Alarm 006009).
1. Check the configuration if the OCPP setting is correct.
2. Check if there is any trouble in the backend.
The multi-function button cannot be operated.
Check if the light of the button and screen are on.
a. If the lights are off, then check if the charger is plugged into an electric socket.
b. If just a single button is off, then the button is broken and you should contact service number.
Why is the DC Wall Box wobbly or unsteady after installation?
Check if the mounting bracket is secure and if the supporting wall or structure has the capability to
solidly fix and support 80KG object. If the mounting bracket is secure, but the wall is not steady then
you should reinstall in a steadier supporting wall that can support the EV charger.
No charging action after swiping the RFID card.
1. Confirm the configuration setting. Authentication mode should be by Delta Card.
2. Use another Delta Card to retry. If the new card is successful. You should replace the other RFID
card.
What should I do if I press the emergency button by accident. (Alarm code: 00400A)
Turn and pull the red button on the left side of the charger, so that the charger can function normally
again.
Installation and Operation Manual
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Troubleshooting