Maintenance Analysis Procedures 2-1540-7
Step 6(from Step 5)
One of the FRUs remaining in the system unit is defective.
To test each FRU, exchange the FRUs in the following order:
1. System planar
2. CPU card (if a Model 39H, memory SIMMs must be installed)
3. Voltage regulator card (Model 39H)
4. Power supply.
The system is working correctly if it stops and two or more numbers between 221 and 296
are displayed in the three-digit display or a solid 262 is displayed. If this occurs, the last
FRU you exchanged is defective.
For Models 340, 34H, 350, 355, 360/36T, 365, 370/37T, and 375, 380, 390, 39H, and 397,
the system stops with a value of 243 for up to six minutes and then changes to to a value of
262.
1. Set the power switch on the system unit to Off.
2. Exchange one of the FRUs in the list.
3. Set the power switch on the system unit to On.
Did the system stop and are two or more numbers between the values of 221 and
296 displayed alternately in the three-digit display or is the number 262 displayed in
the three-digit display?
NO Reinstall the original FRU.
Repeat this step until the defective FRU is identified or all the FRUs have
been exchanged.
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 Go to “Map 0410: Repair Checkout” in the
POWERstation and
POWERserver Common Diagnostics and Service Guide.