56/78 SUREWAVE SFC USER MANUAL
Icon
Description/Function
Indicates the number of active events (can be seen from any page)
Indicates an active fault
Indicates a warning
Indicates the total number of active events
Move to the next active events page
Return to the previous active events page
Return to the first page (latest event)
Table 10-4: SureWave SFC active events icons
10.2.2.1 List of warnings
ID
Event
Description
Recommended Action
6
Customer Warning
A
WARNING: Input A of two dedi-
cated inputs trip/warning in-
puts is configured as a Warn-
ing. Typically used for
transformer monitoring. This
event has occurred.
Check the source of the warning
and take action accordingly. In
the case of a transformer over-
heat, shut the system down or
reduce the load. Check inter-
cabinet wiring. Check TX PTC
connections are intact.
7
Customer Warning
B
WARNING: Input B of two dedi-
cated inputs trip/warning in-
puts is configured as a Warn-
ing. Typically used for
transformer monitoring. This
event has occurred.
Check the source of the warning
and take action accordingly. In
the case of a transformer over-
heat, shut the system down or
reduce the load. Check inter-
cabinet wiring. Check TX PTC
connections are intact.
8
Chamber Hot
WARNING: One of the PE120s
bus bar thermal switches has
opened.
Check overload status, PEBB fan
operation or exhaust obstruc-
tion.
9
Buffers Not Good
WARNING: Power supply buff-
ers problem. Auxiliary power
supply failure likely. SFC will
soon stop.
Assess cause of power failure.
11
PSUs Not Good
WARNING OR TRIP: One or
more of the auxiliary PSU out-
put voltage < 90%, or output in
overload. If one fails, fan
speed will be reduced. If both
fail, SFC will trip.
If SFC still running with reduced
cooling, organize PSU Replace-
ment.
System can continue running for
a time although hotter.
If both have failed replace one or
more of the PSUs as soon as
possible.
37
Output Negative
Sequence
WARNING: Output grid PLL has
detected output grid is nega-
tive sequence.
Check for correct output grid
phase sequence. Correct if nec-
essary.
