Step 4Starting at the top of the following table, locate your symptom and perform the action listed in the Actioncolumn.Symptom ActionThe power LED does not come on, or comes on anddoes not stay on.Check the power cable to the outlet. Check the circuitbreakers and check for power at the outlet.Ensure that the room temperature is within 60 - 90°F.If you do not find a problem, record error codeM0PS0000 and report the problem to the serviceorganization.The diagnostics are loaded and there was NO beepheard from the system unit during the IPL sequence.Record error code M0SPK001.The system stops with the diagnostic operatinginstructions displayed.Go to “Step 5” on page 122.The system stops with a prompt to enter a password. Enter the password. You are not allowed to continue untila correct password has been entered. When you haveentered a valid password, wait for one of the otherconditions to occur.The system stops with a three-, four- or eight-digit errorcode(s) displayed on the console.Record the error code(s) and report the problem to theservice organization.The system login prompt is displayed. You may not have pressed the correct key or you maynot have pressed the key soon enough when you were toindicate a service mode boot of diagnostic programs. Ifthis was the case, start over at the beginning of this step.If you are sure that you pressed the correct key in atimely manner, go to “Step 6” on page 122.The system does not respond when the password isentered.Go to “Step 6” on page 122.The system stopped and an indicator is displayed on thesystem console and an eight-digit error code is notdisplayed.If the indicator represents:v A keyboard: record error code M0KBD000 and reportthe problem to the service organization.v Memory: record error code M0MEM002 and report theproblem to the service organization.v SCSI: record error code M0CON000 and report theproblem to the service organization.v Network: record error code M0NET000 and report theproblem to the service organization.v Speaker/audio: record error code M0BT0000 andreport the problem to the service organization.Chapter 9. Hardware Problem Determination 121
