Quadrics QsNetII Interconnect

- Possible Diagnoses: JTAG failure on the boards identified in the error
message.
Correction: Replace each board in turn, retesting each until the
JTAG fault is rectified.
- Possible Diagnoses: Midplane fault associated with JTAG bus on
the identified slots.
Correction: Replace the Midplane and re-test.
ERROR cannot read lm75, suspected I2C failure on board X.
• Location: Failure to read the temperature monitor on a specific (defined)
board.
- Possible Diagnoses: I2C bus fault on the identified board.
Correction: Replace the board and re-test.
ERROR Board X does not report correct number of chips or is unknown type
• Location: The quantity of ASICs (switch chips) read is incorrect.
- Possible Diagnoses: ASIC or ASIC eeprom fault. Board failure.
Correction: Replace board and re-test.
- Possible Diagnoses: The type of board is unknown to the installed
version of the self test software.
Correction: Update the controller card firmware to an appropriate
and supported revision.
ERROR Fantray X is missing or faulty
• Location: Fan tray A or fan tray B.
- Possible Diagnoses: Slot 0, 1, 2, 3 and/or Ctrl A is populated and fan
tray A is required.
Correction: Insert or replace fan tray A.
- Possible Diagnoses: Slot 4, 5, 6, 7 and/or Ctrl B is populated and fan
tray B is required.
Correction: Insert or replace fan tray B.
ERROR Fantray X Fan X has failed
ERROR Fantray X Fan X is out of range
ERROR power supply unit (PSU) X has missing Temp OK bit
• Location: Specified fan tray.
- Possible Diagnoses: Faulty fan.
Correction: Replace the fan tray.
• Location: PSU Temperature alarm reported.
- Possible Diagnoses: Ambient air temperature higher than permissible
maximum operating temperature.
Correction: Reduce the ambient air temperature or clear the
obstruction. See the airflow specifications for the cluster.
- Possible Diagnoses: Blocked air intake to PSU Clear air intake.
Correction: Reduce the ambient air temperature or clear the
obstruction. See the airflow specifications for the cluster.
Maintenance and Diagnostic Procedures 12-3