Alarm Message "Ground Fault Detection - Siemens SICHARGE UC Operating Instructions Manual

Ending the alarm state
When you close the cabinet door, the SICHARGE UC Dispenser ends the alarm state. The
SICHARGE UC Dispenser restarts automatically. When the Start menu opens on the HMI, the
SICHARGE UC Dispenser is ready for operation again.
9.4

Alarm message "Ground Fault Detection"

To avoid a dangerous situation, the SICHARGE UC Dispenser constantly monitors the
insulation of the connected electric vehicle. When the insulation monitoring detects a ground
fault, the HMI shows an alarm message.
"Ground fault detected" alarm message
When a ground fault is detected, the HMI displays this alarm message in full screen mode:
Figure 9-3 "Ground fault detected" alarm message
Alarm status "Ground Fault Detection"
When the isolation monitoring in the connected SICHARGE UC charging station triggers the
alarm "Ground fault detected", the charging station switches to the safe DC shutdown state.
The power supply of the charging cable is switched off for safety reasons. The safety
shutdown also takes place during an ongoing charging process. The SICHARGE UC Dispenser
switches into a safe state. During the alarm state, the SICHARGE UC Dispenser cannot be
operated for safety reasons.
NOTE
Occurrence of a ground fault
A ground fault can occur either at the SICHARGE UC Dispenser, at the charging cable or the
vehicle.
SICHARGE UC Dispenser
Operating Instructions, 06/2023, A5E50235695-AE
Handling alarms and errors
9.4 Alarm message "Ground Fault Detection"
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