Ratio Basic, Manual, Page: 39 / 44

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10. Troubleshooting
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.
Error code Fault Possible solution
100 CP error, faulty values or
short circuited.
Possible causes:
Damaged charging cable
Dirty connectors
Issue originating from the
EV. 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 have the cable inspected/replaced.
101 Grounding fault
Possible causes:
Damaged charging cable
Damaged charger 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 have the charger
inspected.
102/112 Maximum temperature
exceeded while charging.
Possible cause: long, high
current charging sessions in
high ambient temperatures. Allow the charger to cool down before
resuming the charging session. When the
charger has cooled down, the error code
disappears and the charger returns to regular
operation.
111 No communication between
the charger and the
Sensorbox. Check if the connectors are properly inserted
in the Sensorbox and charger.
Check if the Sensorbox is powered.
Check the data cable for visible damages.
Replace the data cable if necessary.