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9. Troubleshooting
9.1. Faults
When a pack level fault occurs, all stacks are disconnected. The following sections describe the
different faults and the conditions that trigger them. In general, all warnings have a similar trigger
condition as their corresponding fault. The following discussion will focus on the term fault and all
descriptions can be applied to the compatible warning. For faults observed at the stack level please
refer to the Troubleshooting section in the Nuvation Energy High-Voltage BMS: Product Manual.
9.1.1. Ethernet Connection
This fault is related to communication faults between the Multi-Stack Controller and any of the stack-
level BMS that is configured as installed pack_stack[n].installed.
gbc_fault_eth_conn
▪
The Multi-Stack Controller could not communicate with one or more installed stacks
This fault is usually triggered due to:
▪
Multi-Stack Controller network configuration issues. Please contact
for details.
▪
IP networking configuration is different between the Multi-Stack Controller and the stack-level
BMS. Verify that the settings in the
the stack-level IP register settings.
▪
The expected stack-level BMS:
▪
Has recently power cycled
▪
Has recently entered service lockout
▪
Is undergoing a FW upgrade
▪
Is not on the network
▪
Is not receiving power
To
find
the
stack-level
gbc_eth_bridge_status[\*].is_connected. Please contact
9.1.2. Controller Heartbeat
gbc_fault_controller_wdt
▪
Fault indicating that an external controller did not provide a heartbeat update within the
configured
period.
configuration.
Document ID: NE-PM-004
Networks Page
BMS
that
has
Please
contact
support@nuvationenergy.com
61
Nuvation Energy Multi-Stack Controller - Product Manual
support@nuvationenergy.com
in the Platform Interface are compatible with
a
connection
fault,
support@nuvationenergy.com
refer
to
the
register
for more details.
for
details
of
Rev 2.0, 2022-05-18
Curie Update 3
this
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