21
Issue or
malfunction
Potential factor
Possible solutions
Charger not
starting
The residual current device is not switched
on.
Switch on the residual current device
Incorrect phase sequence wiring.
Check the AC wiring connection.
Charger
overloads and
disconnects
Overload on the electric vehicle side
1. Check whether the vehicle load matches the charger.
2. Check and connect the electric vehicle's charging
cables.
3. Correctly connect the electric vehicle charging cable.
Input voltage
issues
Incorrect AC power supply
Check whether the charger requires a single-phase or
three-phase connection.
Charger
overheating and
frequent circuit
breaker tripping
Ambient temperature exceeds the
charger's operating temperature range
1. Reduce the current output using the mobile APP.
2. Inspect the operating temperature indicated on the
charger's nameplate.
3. Place the charger in an area with a regular temperature
and proper ventilation.
4. If the problem persists, discontinue use and contact the
manufacturer's local representative or after-sales service.
Frequent circuit
breaker trips
during charger
operation
Residual current device has a fault
1. Replace the residual current device with one of the
same specifications.
2. If the problem persists, discontinue use and contact the
manufacturer's local representative or after-sales service.
Residual current in the charging power
supply network
1. Check whether the AC power supply at the front end of
the network is properly grounded.
2. Install the charger grounding conductor.
Charger "ground
fault"
The charger is experiencing grounding
issues.
1.
Verify if the charger's electrical ground cable is properly
installed.
2. Install the protection ground cable correctly.
3. Install the ground conductor for the power supply
network.
The Charger's
Red LED is
Always On
The Charger's emergency stop button is
pressed
1. Reset the emergency stop button.
2.
If the problem persists, discontinue use of the charger
and contact the manufacturer's local representative or
after-sales service point
Abnormal
Vehicle
Faulty electric vehicle charging cable
1. Check the condition of the electric vehicle charging
cable.
2. Replace the charging cable for electric vehicles if
necessary.
