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4.3.1 Normal Stop
In case of maintenance or troubleshooting, proceed as follows to stop the PCS:
1
Stop the PCS through the stop instruction on the WEB interface.
2
Open the door of the PCS.
3
Ensure that the AC circuit breaker and DC load switch of the PCS are in the "OPEN"
state.
4
Disconnect the downstream switches of the PCS.
5
Disconnect the upstream switches of the PCS.
6
Disconnect the external power supply if the PCS is powered by external power
supply.
7
The PCS exits operation.
During normal operation of the PCS, do not directly disconnect the DC load
switch, to avoid damage to the switch or even the PCS caused by electric arcs.
4.3.2 Stop in Case of Fault or Emergency
In case of emergency or fault, proceed as follows to stop the PCS:
1
Press the emergency stop button or rotate the start/stop button to the "STOP"
position.
2
Open the door of the PCS.
3
Ensure that the AC circuit breaker and DC load switch are in the "OPEN" state.
4
Disconnect the downstream switches of the PCS.
5
Disconnect the upstream switches of the PCS.
6
Disconnect the external power supply if the PCS is powered by external power
supply.
7
The PCS exits operation.
•
The start/stop button and the emergency stop button are used only in case
of emergency or fault. Generally, stop the PCS through the stop instruction
on the WEB interface.
•
In case of emergency, press the emergency stop button immediately to
ensure quick response.
Operation Manual
