PWR1920

Please see Power isolation procedures for important safety information before continuing with this procedure.

Refer toLocating FRUs for instructions for removing and replacing any FRUs called out by the following procedure.

1. Activate the Lamp Test by performing ONE of the following:
   • Select function 04 Lamp Test on the control panel and press Enter.
   • Sign on to ASMI and go to System Configuration -> Service Indicators -> Lamp Test
2. Review the server control panel and the display panels on all attached I/O towers. The lamp test is only active on the I/O towers for 25 seconds after you press Enter. Check the following lights on at the control panel and all attached enclosures:
   • power-on light
   • attention light
   • all dots for the 32 character display
   Are all lights on at the control panel and all attached I/O enclosures?
   • No: Go to step 4.
   • Yes: These control panel lights are working correctly. Continue with the next step.
3. Are any abnormal characters or character patterns (not reference codes or normal display mode) displayed?
   • No:

     This ends the procedure.

   • Yes: Continue with the next step.
4. Verify that all cables are seated correctly. If the problem persists, replace the following field replaceable units in the failing enclosure one at a time:
   • Control panel
   • Service Processor or SPCN card
   • Control panel cable
   • The I/O backplane on which you previously replaced the service processor

   This ends the procedure.