Siemens SICHARGE SICHARGE CC AC22 - MID Operating Instructions Manual page 78

Faults
7.2 Service technician faults
Message frame text Backend ⇒ Charging station: Faulted
Component: Charging point 1 or 2
Status LED: Flashes red 2x
Description
Main contactor fault
Circuit breaker fault
Message frame text Charging station ⇒ Backend: OverCurrentFailure
Message frame text Backend ⇒ Charging station: Faulted
Component: Charging point 1 or 2
Status LED: Flashes red 3x
Description
• Circuit breaker error
• Circuit breaker has tripped
Overcurrent detected
RCCB fault
Message frame text Charging station ⇒ Backend: GroundFailure
Message frame text Backend ⇒ Charging station: Faulted
Component: Charging point 1 or 2
Status LED: Flashes red 4x
Description
Ground fault detected
78
Cause
The main contactor gets stuck.
Auxiliary contact faulty
Wrong type of contactor
Cause
The main contactor gets stuck. The EVSE-
controller triggers the circuit breaker for
safety reasons.
Loose connections on the auxiliary con­
tact wiring.
Circuit breaker defective
Circuit breaker has tripped.
Circuit breaker trips again after reset
(< 2 s).
Cause
RCCB has tripped.
The RCCB tripped when the charging
started.
Solution
Replace the main contactor.
Check the auxiliary contact.
Replace the auxiliary contact if neces­
sary.
Check whether the correct type of con­
tactor is installed. For example, a DC con­
tactor has been replaced by an AC con­
tactor.
Solution
Replace the main contactor.
Check the wiring between the main con­
tactor auxiliary contact and the EVSE-
controller.
Tighten the terminal points.
Check the circuit breaker. Replace the cir­
cuit breaker if necessary.
Check the circuit breaker and reset it.
See row: Circuit breaker error
Solution
Check the RCCB.
Switch the RCCB on again.
Make sure that all cables have the cor­
rect voltage.
SICHARGE Operating Instructions MID
Operating Instructions, 02/2023, A5E48573001-AF