GE Industrial Solutions Entellisys System User Manual User 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
).
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