Schematic
diagram of the
key position of
the residual
current device
Schematic
diagram of the
residual
current device
closing
operation
6.3 Power-off operation
Carry on the maintenance work of the Charger.
Perform charger fault diagnosis.
Demolish and scrap the charger and other work.
7. Maintenance and fault diagnosis
7.1 Maintenance
Users shall conduct maintenance inspection of the Charger, including the following items:
Check whether the charger power supply cable and charging gun cable is damaged.
Check whether the charger shell is damaged. If the charger shows some vital damage, stop to use it immediately
Regularly check whether the residual current device function:
a . This item should be checked monthly if it’s possible.
b. Remove the maintenance cover on the side of the charger to visually see this
device
c. Press the "T" key of the charger, the protector will trip disconnected under normal
function; if not trip normally, see the forward chapter for details solutions.
7.2 Fault diagnosis
The following troubleshooting table can be used to check the common faults in the routine maintenance.
The residual current device is not
switch on
Switch on the residual current device
Wrong phase sequence wiring
Check AC wiring connection
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