Step 1540-8One of the FRUs remaining in the system unit is defective.1. Turn off the power and remove the power cords.2. Exchange the following FRUs in the order listed.a. Memory cardb. System board (see notes on page 31)c. Power supply3. Plug in the power cords and wait for the OK on the operator panel display.4. Turn on the power.Does the system stop with code E1F2, E1F3, STBY or 4BA00830 displayed on theoperator panel?NO Reinstall the original FRU.Repeat this step until the defective FRU is identified or all of the FRUs havebeen exchanged.If the symptom did not change and all the FRUs have been exchanged, callservice support for assistance.If the symptom has changed, check for loose cards, cables, and obviousproblems, return to “Step 1540-1” on page 60 in this MAP, and follow theinstructions for the new symptom.YES Go to ″MAP 0410: Repair Checkout″ in theRS/6000 EserverpSeriesDiagnostic Information for Multiple Bus Systems.Chapter 3. Maintenance Analysis Procedures (MAPs) 65
