Step 13
(from Step 12)
1.Set the power switch on the system unit to Off.
2.Starting with the devices, disconnect a device or cable connector from the last adapter installed.
3.Insert the first diagnostic diskette into the diskette drive.
4.Set the power switch on the system unit to On.
5.Wait for one of the following conditions to occur:
•The DIAGNOSTIC OPERATING INSTRUCTIONS screen is displayed.
•The system stops and c31 is displayed in the
•The
•The system stops for at least three minutes and a constant number, character, or symbol other than c31 is displayed in the
•The system stops and two or more numbers with values between 221 and 296 are displayed alternately in the
•The system stops and a flashing 888 is displayed in the
•The power light does not come on, or the power light comes on but does not stay on.
Is the DIAGNOSTIC OPERATING INSTRUCTIONS screen displayed or is c31 displayed in the
NO | Repeat this step until the defective device or cable is identified or all the | |
| devices and cables have been disconnected. | |
| One of the FRUs remaining in the system unit is defective. | |
| To test each FRU, exchange the FRUs in the following order: | |
| 1. | Adapter (last one installed) |
| 2. | System planar |
| 3. | CPU card |
| 4. | Voltage regulator card (Model 39H) |
| 5. | Power supply. |
| If the symptom did not change and all the FRUs have been exchanged, call | |
| your service support person for assistance. | |
| If the symptom has changed, check for loose cards, cables, and obvious | |
| problems. If you do not find a problem, return to Step 1 in this MAP and | |
| follow the instructions for the new symptom. | |
YES | The last device or cable you disconnected is defective. | |
| Exchange the defective device or cable. | |
Go to ªMap 0410: Repair Checkoutº in thePOWERstation and
POWERserver Common Diagnostics and Service Guide.
Maintenance Analysis Procedures
