DAVIS eVO DVC10-A7KGP1E Installation And Operation Manual page 21

Issue or
Potential factor
malfunction
The residual current device is not switched
Charger not
on.
starting
Incorrect phase sequence wiring.
Charger
overloads and Overload on the electric vehicle side
disconnects
Input voltage
Incorrect AC power supply
issues
Charger
overheating and Ambient temperature exceeds the
frequent circuit charger's operating temperature range
breaker tripping
Frequent circuit Residual current device has a fault
breaker trips
during charger
operation
Residual current in the charging power
supply network
Charger "ground The charger is experiencing grounding
fault" issues.
The Charger's
The Charger's emergency stop button is
Red LED is
pressed
Always On
Abnormal
Faulty electric vehicle charging cable
Vehicle
Possible solutions
Switch on the residual current device
Check the AC wiring connection.
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.
Check whether the charger requires a single-phase or
three-phase connection.
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.
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.
1. Check whether the AC power supply at the front end of
the network is properly grounded.
2. Install the charger grounding conductor.
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.
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
1. Check the condition of the electric vehicle charging
cable.
2. Replace the charging cable for electric vehicles if
necessary.
21