Faults
20
DOK BEMO 11/20 Rev.01 PM
10 Faults
This chapter is intended for wallbox operators.
f
Have faults corrected by a qualified electrician.
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If necessary, contact the manufacturer.
Fault
Cause
Corrective action
LED indicator flashes quickly
(green, yellow and blue)
Authorisation was declined.
Check RFID card and read
in again if necessary.
Error in the charging system.
Check the charging system
for faults.
Backend not available.
Connect to the backend
system.
LED indicator is off.
No supply voltage. Main fuse
off/ defective. Control fuse off.
Charge controller defective.
Have the supply voltage
checked at the input terminal.
Have the main fuse checked.
Switch on the control fuse.
Have charge controller
checked.
Circuit breaker trips.
Circuit breaker defective.
Cable insulation defective.
Faulty charging cable.
Have the charging
infrastructure and
charging cable checked
by a qualified electrician.
Connected vehicle is defective.
Have the vehicle checked.
Circuit breaker defective.
Have the circuit breaker
replaced by a qualified
electrician.
Residual current device trips.
Fault in the downstream consumer.
Have consumers checked.
Have the residual current
device replaced.
Switch the residual current
device on again.
Charging sockets have no power.
Circuit breaker and/or residual
current device not switched on.
Switch on the miniature
circuit breaker and/or
residual current device.
Wallbox not connected.
Have the wallbox connected
by a qualified electrician.
Charging plug remains locked.
Interlocking defective.
Manual operation at
the charging socket by
a qualified electrician either
with a size 4 open-ended
spanner or with a red flag
(if available).
Switch off the control
voltage. The interlocking
will open.
