AC fault diagnosis

If you encounter any problems when using or commissioning the charging stations, please consult the table below. If the problem persists or is not solved with the table below, contact your Wellborne representative.

Single-phase terminals – AC #

Number of LED flashesAnomalyConfirmation of diagnosis
1Overvoltage on phase L11. Check voltage between L1 and N
2. When the voltage between L1 and N exceeds 264V, overvoltage is confirmed
3. If the voltage between L1 and N is around 230V, there is no overvoltage.
2Live on phase L11. Check voltage between L1 and N
2. If the voltage between L1 and N is less than 190V, under-voltage is confirmed
3. If the voltage between L1 and N is around 230V, there is no undervoltage.
3Red emergency stop button depressed or broken1. Identify the emergency stop button
2. Turn it clockwise or press it to release it.
4Overcurrent1. Measure the phase current with a current clamp
2. Check that the voltage between L1 and N does not exceed the rated value.
5Overheating1. If the temperature exceeds the set value, charging stops
2. Open the terminal, measure the internal temperature and identify overheating components
3. The terminal operates normally when the internal temperature is below 85°C
4. Overheating is confirmed when internal temperature exceeds 90°.
6Residual Current Device (RCD) leakage1. Equip yourself with a DCR leak detection device
2. The factory setting of the Type B DCR level 3 device is to signal an anomaly above 6mA
3. The fault can be resolved by increasing the level of the device
4. Replace DCR
7RS485 communication fault1. You can access the meter’s address and baud rate by pressing the associated button
2. Check the type of electricity meter on the wellborne server. Check that the address and model correspond to the installed electricity meter
3. The meter’s communication ports A and B must be correctly connected to ports A and B on your terminal’s motherboard
4. Ports A and B on your terminal’s motherboard must be correctly connected to ports A and B on the meter
5. The baud rate must be 9600 and the protocol is MODBUS.

Single-phase double terminals – AC #

Code on LED displayAnomalyConfirmation of diagnosis
100Red emergency stop button depressed or broken1. Identify the emergency stop button
2. Turn it clockwise or press it to release it.
105Overvoltage on phase L11. Check voltage between L1 and N
2. When the voltage between L1 and N exceeds 264V, overvoltage is confirmed
3. If the voltage between L1 and N is around 230V, there is no overvoltage.
106Live on phase L11. Check voltage between L1 and N
2. If the voltage between L1 and N is less than 190V, under-voltage is confirmed
3. If the voltage between L1 and N is around 230V, there is no undervoltage.
108Overcurrent1. Measure the phase current with a current clamp
2. Check that the voltage between L1 and N does not exceed the rated value.
109Overheating1. If the temperature exceeds the set value, charging stops
2. Open the terminal, measure the internal temperature and identify overheating components
3. The terminal operates normally when the internal temperature is below 85°C
4. Overheating is confirmed when internal temperature exceeds 90°.
110Residual Current Device (RCD) leakage1. Equip yourself with a DCR leak detection device
2. The factory setting of the Type B DCR level 3 device is to signal an anomaly above 6mA
3. The fault can be resolved by increasing the level of the device
4. Replace DCR
111RS485 communication fault1. You can access the meter’s address and baud rate by pressing the associated button
2. Check the type of electricity meter on the wellborne server. Check that the address and model correspond to the installed electricity meter
3. The meter’s communication ports A and B must be correctly connected to ports A and B on your terminal’s motherboard
4. Ports A and B on your terminal’s motherboard must be correctly connected to ports A and B on the meter
5. The baud rate must be 9600 and the protocol is MODBUS.
113Type A socket fault1. Check that the connection to the Type A socket is secure
2. Check that the connection between the motherboard and the circuit-breaker is correct
3. Using a multimeter, check that the current is flowing
4. Replace circuit-breaker
114Relay fault1. Check that signal cables are secure
2. Check that connectors are secure
3. Replace contactor if it no longer holds signal cables and connectors firmly in contact.
115Ground fault1. Check that the earth line is secure, retighten if necessary
2. There must be no voltage between Earth and N
3. If there is voltage, the null line will be charged
4. Monitor input line until voltage is normal
116Ground and neutral fault1. Check that the Neutral line is secure, tighten if necessary
2. There should be no voltage between Earth and N
3. If there is voltage, the Null line will be charged
4. Monitor input line until voltage is normal
1000Other anomaly

Three-phase single terminals – AC #

Code on LCD displayAnomalyConfirmation of diagnosis
100Red emergency stop button depressed or broken1. Identify the emergency stop button
2. Turn it clockwise or press it to release it.
101Overvoltage on phase L31. Check voltage between L3 and N
2. If voltage between L3 and N exceeds 264V, overvoltage is confirmed
3. If the voltage between L3 and N is around 230V, there is no overvoltage.
102Live on phase L31. Check voltage between L3 and N
2. If the voltage between L3 and N is less than 190V, under-voltage is confirmed
3. If the voltage between L3 and N is around 230V, there is no undervoltage.
103Overvoltage on phase L21. Check voltage between L2 and N
2. If the voltage between L2 and N exceeds 264V, overvoltage is confirmed
3. If the voltage between L2 and N is around 230V, there is no overvoltage.
104Live voltage on phase L21. Check voltage between L2 and N
2. If the voltage between L2 and N is less than 190V, under-voltage is confirmed
3. If the voltage between L2 and N is around 230V, there is no undervoltage.
105Overvoltage on phase L11. Check voltage between L1 and N
2. When the voltage between L1 and N exceeds 264V, overvoltage is confirmed
3. If the voltage between L1 and N is around 230V, there is no overvoltage.
106Live on phase L11. Check voltage between L1 and N
2. If the voltage between L1 and N is less than 190V, under-voltage is confirmed
3. If the voltage between L1 and N is around 230V, there is no undervoltage.
107Live on all 3 phases1. Check the voltage between L1 and N, L2 and N, and L3 and N
2. If the voltage between L1 and N, L2 and N, and L3 and N is less than 190V, under-voltage is confirmed
3. If the voltage between L1 and N , L2 and N, and L3 and N is around 230V, there is no undervoltage.
108Overcurrent1. Measure the phase current with a current clamp
2. Check that the voltage between L1 and N does not exceed the rated value.
109Overheating1. If the temperature exceeds the set value, charging stops
2. Open the terminal, measure the internal temperature and identify overheating components
3. The terminal operates normally when the internal temperature is below 85°C
4. Overheating is confirmed when internal temperature exceeds 90°.
110Residual Current Device (RCD) leakage1. Equip yourself with a DCR leak detection device
2. The factory setting of the Type B DCR level 3 device is to signal an anomaly above 6mA
3. The fault can be resolved by increasing the level of the device
4. Replace DCR
111RS485 communication fault1. You can access the meter’s address and baud rate by pressing the associated button
2. Check the type of electricity meter on the wellborne server. Check that the address and model correspond to the installed electricity meter
3. The meter’s communication ports A and B must be correctly connected to ports A and B on your terminal’s motherboard
4. Ports A and B on your terminal’s motherboard must be correctly connected to ports A and B on the meter
5. The baud rate must be 9600 and the protocol is MODBUS.
1000Other anomaly

Double three-phase terminals – AC #

Code on LCD displayAnomalyConfirmation of diagnosis
100Red emergency stop button depressed or broken1. Identify the emergency stop button
2. Turn it clockwise or press it to release it.
101Overvoltage on phase L31. Check voltage between L3 and N
2. If voltage between L3 and N exceeds 264V, overvoltage is confirmed
3. If the voltage between L3 and N is around 230V, there is no overvoltage.
102Live on phase L31. Check voltage between L3 and N
2. If the voltage between L3 and N is less than 190V, under-voltage is confirmed
3. If the voltage between L3 and N is around 230V, there is no undervoltage.
103Overvoltage on phase L21. Check voltage between L2 and N
2. If the voltage between L2 and N exceeds 264V, overvoltage is confirmed
3. If the voltage between L2 and N is around 230V, there is no overvoltage.
104Live voltage on phase L21. Check voltage between L2 and N
2. If the voltage between L2 and N is less than 190V, under-voltage is confirmed
3. If the voltage between L2 and N is around 230V, there is no undervoltage.
105Overvoltage on phase L11. Check voltage between L1 and N
2. When the voltage between L1 and N exceeds 264V, overvoltage is confirmed
3. If the voltage between L1 and N is around 230V, there is no overvoltage.
106Live on phase L11. Check voltage between L1 and N
2. If the voltage between L1 and N is less than 190V, under-voltage is confirmed
3. If the voltage between L1 and N is around 230V, there is no undervoltage.
107Live on all 3 phases1. Check the voltage between L1 and N, L2 and N, and L3 and N
2. If the voltage between L1 and N, L2 and N, and L3 and N is less than 190V, under-voltage is confirmed
3. If the voltage between L1 and N , L2 and N, and L3 and N is around 230V, there is no undervoltage.
108Overcurrent1. Measure the phase current with a current clamp
2. Check that the voltage between L1 and N does not exceed the rated value.
109Overheating1. If the temperature exceeds the set value, charging stops
2. Open the terminal, measure the internal temperature and identify overheating components
3. The terminal operates normally when the internal temperature is below 85°C
4. Overheating is confirmed when internal temperature exceeds 90°.
110Residual Current Device (RCD) leakage1. Equip yourself with a DCR leak detection device
2. The factory setting of the Type B DCR level 3 device is to signal an anomaly above 6mA
3. The fault can be resolved by increasing the level of the device
4. Replace DCR
111RS485 communication fault1. You can access the meter’s address and baud rate by pressing the associated button
2. Check the type of electricity meter on the wellborne server. Check that the address and model correspond to the installed electricity meter
3. The meter’s communication ports A and B must be correctly connected to ports A and B on your terminal’s motherboard
4. Ports A and B on your terminal’s motherboard must be correctly connected to ports A and B on the meter
5. The baud rate must be 9600 and the protocol is MODBUS.
113Type A socket fault1. Check that the connection to the Type A socket is secure
2. Check that the connection between the motherboard and the circuit-breaker is correct
3. Using a multimeter, check that the current is flowing
4. Replace circuit-breaker
114Relay fault1. Check that signal cables are secure
2. Check that connectors are secure
3. Replace contactor if it no longer holds signal cables and connectors firmly in contact.
115Ground fault1. Check that the earth line is secure, retighten if necessary
2. There must be no voltage between Earth and N
3. If there is voltage, the null line will be charged
4. Monitor input line until voltage is normal
116Ground and neutral fault1. Check that the Neutral line is secure, tighten if necessary
2. There should be no voltage between Earth and N
3. If there is voltage, the Null line will be charged
4. Monitor input line until voltage is normal
1000Other anomaly
What did you think of this article?
Updated on August 28, 2024

Contact us

Customer and Technical Support

Use our ticket submission form to report a problem or request technical support.