27Testing the RCCB
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on the upstream MCB first and then the RCCB of the wallbox (positionI). Finally, reconnect the charging
cable to the vehicle and then to the wallbox.
x Should the error persist, please contact a qualified specialist electrical contractor to resolve the error.
x Should the wallbox have to be repaired or replaced, please contact the qualified specialist electrical
contractor or the dealer/manufacturer from whom you purchased your wallbox.
Description
The wallbox’s status indicator does not work, the side energy meter does not display any information.
Cause and suggested solution
x The wallbox is not connected to the electricity grid.
x Check the internal RCCB and switch it back on if required.
x Check the upstream circuit breaker in your domestic power distribution and switch it back on if
required.
x Have a qualified specialist electrical contractor check the power supply cable and restore it if
required.
x The wallbox is defective.
x Please contact a qualified specialist electrical contractor to have the error resolved.
x Should the wallbox have to be replaced, please contact the qualified specialist electrical contractor or
the dealer from whom you purchased your wallbox.
Testing the RCCB
To ensure continuing safe operation, you must test the function of the wallbox’s internal RCCB according to
locally applicable regulations: For this purpose, the RCCB has a push button with which to initiate the test
function.
Proceed as follows to test the mechanical functionality of the RCCB:
1 Unlock the wallbox’s side RCCB flap using the
key supplied and flip it up.