GE Industrial Solutions Entellisys System User Manual User Manual
Page 218
Alarms and events
218
A
Alarm Dropout Bus Diff Zone
1…4 Settings 1
Alarm only bus differential for zone 1…4,
settings 1 has dropped out of pickup
Alarm Bus Diff Zone 1…4
Settings 1
Alarm only bus differential for zone 1…4,
settings 1 has operated
Alarm Pickup Bus Diff Zone 1…4
Settings 2
Alarm only bus differential for zone 1…4,
settings 2 has entered pickup
Alarm Dropout Bus Diff Zone
1…4 Settings 2
Alarm only bus differential for zone 1…4,
settings 2 has dropped out of pickup
Alarm Bus Diff Zone 1…4
Settings 2
Alarm only bus differential for zone 1…4,
settings 2 has operated
Protection Disabled Invalid Cfg
Bus Diff
File that contains configuration information
for bus differential is bad or missing, all bus
differential functions are disabled
Contact GE Post Sales Service (see
).
Protection Suspended Zone 1…4
Bus Diff
Bus differential (trip and alarm only) for zone
1…4 has been suspended
Examine Sequence of Events for cause. It can
be any one of the following:
• Current on one or more phases exceeded
10X (overcurrent pickup/trip event)
• Messenger at a breaker in the zone is not
communicating (Caution CPU Not Rcv
From Messngr)
• Messenger at a breaker in the zone has
been decommissioned (Attention
Messngr Decommssned Msg Proto Ver,
Attention Messngr Decommssned Dupe
IDs Seqs, or Attention Messngr
Decommssned Dupe Ids)
• A Compartment ID button at a breaker in
the zone has been misconfigured
• At least one of the breakers in the zone
has been put into test mode (Test Mode
Initiated from Test Kit)
Protection Resumed Zone 1…4
Bus Diff
Bus differential (trip and alarm only) for zone
1…4 has resumed
Invalid BusDiff Zone1…4 Set1
Pkup Chng Rejctd
Pickup setting 1 for bus differential for zone
1…4 is too low, change is rejected
Set pickup value above the minimum allowed
(20% of the smallest CT rating in the zone);
CPU sets value to minimum in this case.
Invalid BDiff Zone1…4 Set1 Alm
Pkup Chng Rejctd
Pickup setting 1 for alarm only bus
differential for zone 1…4 is too low, change is
rejected
Set pickup value above the minimum allowed
(20% of the smallest CT rating in the zone);
CPU sets value to minimum in this case.
Invalid BusDiff Zone1…4 Set2
Pkup Chng Rejctd
Pickup setting 2 for bus differential for zone
1…4 is too low, change is rejected
Set pickup value above the minimum allowed
(20% of the smallest CT rating in the zone);
CPU sets value to minimum in this case.
Invalid BDiff Zone1…4 Set2 Alm
Pkup Chng Rejctd
Pickup setting 2 for alarm only bus
differential for zone 1…4 is too low, change is
rejected
Set pickup value above the minimum allowed
(20% of the smallest CT rating in the zone);
CPU sets value to minimum in this case.
Table A-2 Sequence of events description and troubleshooting guide
Event
Description
Notes and Troubleshooting tips