GE Industrial Solutions Entellisys System User Manual - Manual (Page 226)

Alarms and events 226
A
CPUB Synch Clock OK Messenger reports that CPU B is using the
CPU Synch Clock (event recorded by CPU A)
Caution CPUA Synch Clock Err
Backup Clock On Messenger reports that CPU A is not using
the CPU Synch Clock (event recorded by CPU
B) Verify that CPU A is connected to the CPU
Synch Clock, verify that the CPU Synch Clock
is operating correctly.
Caution CPUB Synch Clock Err
Backup Clock On Messenger reports that CPU B is not using
the CPU Synch Clock (event recorded by CPU
A) Verify that CPU B is connected to the CPU
Synch Clock, verify that the CPU Synch Clock
is operating correctly.
Messngr Synchronization OK Messenger reports that it has successfully
synchronized to one of the CPUs
Messngr Synch Not Locked Messenger reports that it is not synchronized
to either CPUs It is normal for this to occur during start-up,
or when an Entellisys Messenger is first
plugged in to the system or rebooted. If it
occurs repeatedly during normal operation,
contact GE Post Sales Service (see
How to
contact us on page 2 ).
Breaker Tripped Analog IOC Messenger reports that it has tripped the
breaker due to an IOC condition (analog
circuit)
Breaker Trip Instantaneous
Overcurrent Messenger reports that it has tripped the
breaker due to an IOC condition
Breaker Trip Backup ST
Overcurrent Messenger reports that it has tripped the
breaker due to a short time overcurrent
condition
Breaker Trip Backup LT
Overcurrent Messenger reports that it has tripped the
breaker due to a long time overcurrent
condition
Breaker Trip Backup Ground
Fault Messenger reports that it has tripped the
breaker due to a ground fault condition
Caution CPUA Not Rcv From 1 Or
More Messngrs Messenger reports that CPU A is not receiving
data from at least one Messenger (event
recorded by CPU B) Check Ethernet connection between
Entellisys Messenger and switch, and the
connection between the switch and the
CPU A. Verify that Messenger is powered on
and operating.
Caution CPUB Not Rcv From 1
Or More Messngrs Messenger reports that CPU B is not receiving
data from at least one Messenger (event
recorded by CPU A) Check Ethernet connection between
Entellisys Messenger and switch, and the
connection between the switch and the
CPU B. Verify that Messenger is powered on
and operating.
Caution Messngr Not Receiving
From CPUA Messenger reports that it is not receiving
data from CPU A Check Ethernet connection between
Entellisys Messenger and switch, and the
connection between the switch and the
CPU A. Verify that CPU A is powered on and
operating.
Table A-2 Sequence of events description and troubleshooting guide
Event Description Notes and Troubleshooting tips