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Alarm, fault and system messages
9.4 Alarm messages in the alarm history
Alarm code
Description
6
Temperature too high at charging contact
DC-
7
The input voltage is outside the permissi‐
ble range.
8
The input current is outside the permissi‐
ble range.
9
High output voltage
10
High output current
11
CAN communication interrupted (SECC)
12
CAN communication interrupted (power
converter)
13
AC contactor timeout
14
DC contactor timeout
15
Incorrect CP status
16
The input frequency is out of range.
17
The "Stop Charging" button on the HMI
has been pressed.
148
Error handling
The alarm message is only valid if the charging station is connected
to a SICHARGE UC dispenser. In this case, perform the following
steps:
•
Ensure the CCS charging plug is in good condition
•
Connect the charging plug to the vehicle
•
Check plug connection for obstacles to good connection
•
Check measured values of the vehicle
The vehicle's charging socket can cause overheating.
•
Measure the level of the input voltage
•
Check existing alarms in the alarm history
•
Measure the level of the input voltage
The voltage should be the same for all phases or almost the same.
The high output voltage can be caused by various specific events.
•
Repeat the charging process
•
Check whether the fault persists
The high output current can be caused by various specific events.
•
Repeat the charging process
•
Check whether the fault persists
Termination of CAN communication can be caused by various spe‐
cific events.
•
Repeat the charging process
•
Check whether the fault persists
•
Check that the SECC is switched on and the LEDs are flashing.
Termination of CAN communication can be caused by various spe‐
cific events.
•
Repeat the charging process
•
Check whether the fault persists
•
Check whether the control system of the power converter is
switched on and the LEDs are flashing.
The AC contactor has not opened or closed within the prescribed
time limit.
•
Check AC contactor to ensure proper condition
The DC contactor has not opened or closed within the prescribed
time limit.
•
Check DC contactor to ensure proper condition
The CP status "C" has been lost during the charging process. The
loss of the status may be caused by noise due to bad wiring be‐
tween the output of the charging station and the vehicle's charg‐
ing socket. Bad wiring inside the vehicle can also cause the loss of
status due to noise.
•
Measuring the frequency of the alternating current
The charging station is set to an input frequency of 50/60 Hz ±10%.
No fault. The alarm indicates that charging has been stopped by
pressing the button on the HMI.
SICHARGE UC 100, UC 200, UC 300, UC 400, UC 600, UC 800
Operating Instructions, 10/2022, A5E50828019-AC
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