Siemens SIMOCRANE Operating Instructions Manual page 134

Diagnostic system
7.3 Faults
Bit 1
Cause
Remedy
Bit 2
Message class
Component
Response
Acknowledgement
Cause
Remedy
Bit 3
Message class
Component
Response
Acknowledgement
Cause
Remedy
Bit 4
Message class
Component
Response
Acknowledgement
Cause
Remedy
Bit 5
Message class
Component
Response
Acknowledgement
132
Unit Fault present
Unit 4 has an internal fault
Clarify the cause (see following messages)
Unit Communication Fault
Fault
Internal SIMOCRANE ESSM Vx.x
Shutdown routine 3
ETechAcknowledge
The communication connection to the unit is faulted
Check the network connection
Unit Line contactor failure
Fault
Internal SIMOCRANE ESSM Vx.x
Shutdown routine 3
ETechAcknowledge
• Unit 4 has detected a fault at the bypass contactor
• Defective bypass contactor
• Clarify the cause
• Replace the contactor if necessary
Unit Precharge contactor failure
Fault
Internal SIMOCRANE ESSM Vx.x
Shutdown routine 3
ETechAcknowledge
• Unit 4 has detected a fault at the precharge contactor
• Defective precharge contactor
• Clarify the cause
• Replace the contactor if necessary
Unit Disconnected while running
Fault
Internal SIMOCRANE ESSM Vx.x
Shutdown routine 3
ETechAcknowledge
SIMOCRANE Energy Storage System Management V01.01
Operating Instructions, 04/2023, A5E51573536B AE