Silicon Graphics CHALLENGE L, User Manual, Page: 132 / 164

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Appendix C: System Controller Messages
BLOWER A RPM FAIL The System Controller detects a fan not at speed. An
alarm is sent to the CPU, five seconds later the System
Controller initiates the power-off sequence (rackmount
systems only).
BLOWER B RPM FAIL Same as above (rackmount systems only).
BLOWER RPM
FAILURE Same as above (deskside systems only).
TEMP SENSOR
FAILURE The System Controller detects a temperature sensor with
a reading so far out of range that the sensor is assumed
to have failed. The condition i s logged but no power-off
sequence is initiated.
FP BUTTON STUCK The System Controller detects a status panel button stuck
in the depressed position. After a 30-second wait, the
power-off sequence is initiated (the depressed button
interferes with the System Controller’s normal
monitoring operation.
Table C-3 System Events - Informative
Error Message Error Meaning
SYSTEM ON The System Controller reports the power-on sequence
completed
SYSTEM OFF The System Controller reports the power-off sequence
completed
SYSTEM RESET The System Controller generates a backplane reset, due
to menu selection or serial port request.
NMI The System Controller generates a backplane NMI, due
to menu selection.
SCLR DETECTED The System Controller detects a backplane reset, then
initiates the bootmaster arbitration process.
Table C-2 (continued) System Events - Delayed Power-off
Error Message Failure Area/Possible Solution