IBM 7133 Series Service Manual

Step 6(from step 2 on page 2-2010-2 in “MAP 2010: 7133 – START”)You have arrived at this step because the MAIN and AUX using systems are turned off,but power is still present at the 7133; that is, at least one fan-and-power-supply assemblyin the 7133 has its Power light on and its Fan-and-Power Check light off.Does at least one fan-and-power-supply assembly have its Power light off and itsFan-and-Power Check light on?NO Go to step 7.YES 1. Exchange, for a new one, the fan-and-power-supply assembly whosePower light is off and Fan-and-Power Check light is on (see“Fan-and-Power-Supply Assemblies” on page 3-32).2. Go to “MAP 2410: 7133 – Repair Verification” on page 2-2410-1 to verifythe repair.Step 7(from step 6)1. Set the remote-power-on control unit switch to O (off).2. Observe the fan-and-power-supply assemblies.Does at least one Fan-and-Power Check light come on?NO 1. Exchange the remote-power-on control unit for a new one (see“Remote-Power-On Control Unit” on page 3-55).2. Go to “MAP 2410: 7133 – Repair Verification” on page 2-2410-1 to verifythe repair.YES Go to step 8 on page 2-2030-6.Chapter 2. Problem Determination Procedures 2-2030-5