IBM BladeCenter HT 8740, Problem Determination And Service Manual

Page: 130 / 158

v Follow the suggested actions in the order in which they are listed in the Action column until the problem
is solved.
v
See Chapter 3, “Parts listing,” on page 23 to determine which components are CRUs and which
components are FRUs.
v If an action step is preceded by “(Trained service technician only),” that step must be performed only by a
trained service technician.
Symptom Action
The green power-module output
LED is not lit.
1. Make sure that:
a. All power cords are connected to compatible power sources and the power
sources are working.
b. The shuttle release handles are in the closed position and the captive
thumbscrews are tightened.
2. Replace the power module with a power module that is known to work.
3. See “Solving undetermined problems” on page 118.
The amber power-module error
LED is lit.
1. Make sure that:
a. All power cords are connected to compatible power sources and the power
sources are working.
b. The shuttle release handles are in the closed position and the captive
thumbscrews are tightened.
2. Replace the power module with a power module that is known to work.
3. See “Solving undetermined problems” on page 118.
112
BladeCenter HT Type 8740 and 8750: Problem Determination and Service Guide