Ratio io5, Installation Manual, Page: 40 / 46

Maintenance | 40
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Error code Fault Possible solution
100
101
102/103
111
Control Pilot (CP) error,
faulty values or short
circuited.
Possible causes:
Damaged charging cable,
Dirty connectors or
Issue originating from the
EV.
Grounding fault
Possible causes:
Damaged charging cable
or Damaged charger
Maximum temperature
exceeded while charging.
Possible cause: long, high
current charging
sessions in high ambient
temperatures.
No communication
between the charger and
the Sensor Box.
Switch off the power to the main grid.
Clean the connector(s) of the charging
cable.
Check the cable for any visible damage.
Switch the power to the main grid back on.
Try charging with a different charge cable.
Try charging a different EV.
Try charging the EV with a different charger.
If the error persists:
Please contact Ratio or a qualified
electrician to diagnose the issue.
Switch off the power to the main grid.
Switch the power to the main grid back on.
If the error persists, Please contact Ratio or
a qualified electrician to diagnose the issue.
Allow the charger to cool down before
resuming the charging session. When the
charger has cooled down, the error code
should disappear and the charger return to
normal operation.
Check if the connectors are properly
inserted in the Sensor Box.
Check if the Sensor Box is powered.
If the error persists, Please contact Ratio or
a qualified electrician to check the Sensor
Box connection within the charger is
inserted properly.
The charger is equipped with monitoring software that detects faults and displays them as
error messages in the App. Every fault has a specific error code for easy identification. An
overview of the error codes is shown below
10. Troubleshooting