GE Industrial Solutions Entellisys System User Manual - Manual (Page 98)

Multipoint functions 98
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7.2.2 Troubleshooting
Multi-Source Ground Fault Setting Change Rejected events are observed in the Sequence of
Events log
• Verify that the pickup setting is within the valid range. Valid range is from “Zone Minimum
Pickup” to 1200 Amps. (See Setting Multi-Source Ground-Fault pickup/delay on page 95 .)
Backup relay is not working
• Verify that the backup function is enabled for the concerned zone in the concerned
topology.
Frequent suspended/resumed events are seen
• Verify that both CPUs are operating with the hardware clock. This can be done from the
System Health screen. The Synchronization hardware OK indicator lights should be green for
both CPUs.
7.2.3 Events generated by Multi-Source Ground-Fault Relay
To view a table of events generated by the Multi-Source Ground-Fault Relay, see Alarms and
events on page 187 .
7.2.4 Alarms generated by Multi-Source Ground-Fault Relay
To view a table of alarms generated by the Multi-Source Ground-Fault Relay, see Alarms and
events on page 187 .