Lenovo ThinkServer RD220 3797 Series Installation And User Manual page 160

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ThinkServer RD220 Types 3729, 3779, 3797, and 3798: Installation and User Guide
Table 15. EasyLED panel LEDs (continued)
LED Description
OVER SPEC The power supplies are
using more power than
their maximum rating.
Action
If the OVER SPEC LED on the EasyLED panel
is lit, or any of the six 12V rail error LEDs (A, B,
C, D, E, or AUX) on the system board are lit,
follow the instructions below.
If the 12V channel A error LED is lit, complete
the following steps:
1. Turn the server off and disconnect the
power from the server.
2. Remove the optical drive, fans, hard disk
drives, and hard disk drive backplane.
3. Restart the server to see if the problem
remains.
4. Reinstall each device that was removed in
step b one at a time, starting the server
each time, to isolate the failing device.
5. Replace any failing device.
6. (Trained service technician only) Replace
the system board, if the problem remains.
If the 12V channel B error LED is lit, complete
the following steps:
1. Turn the server off and disconnect the
power from the server.
2. Remove the PCI riser card in connector 1,
all DIMMs, and the microprocessor in socket
2.
3. Restart the server to see if the problem
remains.
4. Reinstall each device that was removed in
step b one at a time, starting the server
each time, to isolate the failing device.
5. Replace any failing device.
6. (Trained service technician only) Replace
the system board, if the problem remains.
(Continued on the next page)