MPE/iX Error Messages Manual Vol 2 (32650-90879)

Chapter 7 237
Volume II Chapter 5
UPS
If it appears frequently, then call your Hewlett-Packard
service representative.
536 MESSAGE UPS LDEV ! I/O Operation error: UPS device
failed to complete a Read I/O request in
allotted time. The Read request timed out.
(UPSERR 0536)
CAUSE This is a software-detected error condition that indicates
an error in the I/O software subsystems that the UPS
Monitor uses to communicate with UPS devices. It could
indicate a disconnected I/O cable or a UPS hardware
malfunction.
ACTION Check for proper connection of the UPS I/O interface cable
at both ends. See if the UPS is powered-on. If those checks
do not reveal the source of the problem, then call your
Hewlett-Packard service representative.
538 MESSAGE UPS Monitor logic error: UPS operating
substate invalid while processing a
"Monitoring" I/O completion. (UPSERR 0538)
CAUSE This is a software-detected error condition that indicates
an error in the UPS Monitor software or in some other
system software, or a system memory error.
ACTION Call your Hewlett-Packard service representative.
539 MESSAGE UPS Monitor logic error: A UPS I/O completion
reply message was received when none was
expected, or the message received was not the
one that was expected. (UPSERR 0539)
CAUSE This is a software-detected error condition that indicates
an error in the UPS Monitor software or in some other
system software, or a system memory error.
ACTION Call your Hewlett-Packard service representative.
540 MESSAGE UPS Monitor UPS initialization: UPS LDEV !
was initialized successfully and is now being
monitored. (UPSWRN 0540)
CAUSE During system startup, the specified UPS device was
successfully initialized by the UPS Monitor.
ACTION No action is needed. This is merely an expected
confirmation that the UPS and UPS Monitor software are
operating correctly.
541 MESSAGE UPS Monitor system call error: Error status !
(Subsystem # !, Error # !) received from
procedure Send_Msg. (UPSERR 0541)
CAUSE This is a software-detected error condition that indicates