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Table 1-1. Switch Problem Diagnostics (continued)
Priority Message or condition Action
2
(2 of 4)
Environmental problems
v Control workstation errpt file reports a switch
failure, shutdown, or warning message
associated with a fan, power supply, or
temperature indicator
v Perspectives switch environmental indicator is
yellow and a fan or power supply indicator is red
v Perspectives switch environmental indicator is
either yellow or red and the temperature
indicator is either yellow or red
v Yellow switch supervisor LED is on or flashing
Go to “Switch environment (MAP 0600)” on
page 1-9.
3
(3 of 4)
Power problem
v Green switch supervisor LED is off or flashing
v Perspectives switch power indicator is red
v Switch has no power
v All voltages at zero
Go to “Switch power (MAP 0610)” on
page 1-13.
4
(4 of 4)
Switch function problem
v Error in /var/adm/SPlogs/css0/p0/out.top (see
note)
v Problem with switch_responds
v Problem returned from errpt -a -N Worm or
errpt -a -N css0 (issued on the primary node)
v Problem detected by CE/customer.
Go to “Switch function (MAP 0620)” on
page 1-17.
Notes:
1. out.top is located on the primary node. To find the primary node, issue:
Eprimary
2. Verify that the file has a valid (recent) time stamp using:
ls -l
Switch supervisor communications (MAP 0595)
Notes:
1. Refer to “Service position procedures” on page 3-10 for procedures used to place the switch into the
service position or for removing it from the service position.
2. Refer to Table 1-2 for descriptions of the SP Switch2 supervisor LED indications.
Table 1-2. SP Switch2 supervisor LED indications
Green LED Yellow LED Indication
On Off Normal switch operation
Flashing Off Logically powered off (48 V available)
Off Off Physically powered off (48 V circuit breaker off)
On On Non-critical power or environmental problem
On, Off, or Flashing Flashing
Critical power or environmental problem
Note: For this indication, the green and yellow LEDs are flashing
together.
Off On Supervisor communications or base code problem
Switch Description and Problem Determination (MAP 0590)
1-6
RS/6000 SP: SP Switch2 Service Guide