Lenovo ThinkServer RD220 3797 Series Installation And User Manual page 161

Table 15. EasyLED panel LEDs (continued)
LED Description
OVER SPEC The power supplies are
(Continued) using more power than
their maximum rating.
Action
If the 12V channel C error LED is lit, complete
the following steps:
1. Turn the server off and disconnect the
power from the server.
2. Remove the SAS/SATA RAID riser card,
DIMMs in connectors 1 through 8, and the
microprocessor in socket 1.
Note: The server will not power-on when
the microprocessor in socket 1 is not
installed in the server. You will need to
toggle the switch block (SW3) to pin 6 to
power-on the server.
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 D error LED is lit, complete
the following steps:
1. Turn the server off and disconnect the
power from the server.
2. Remove the microprocessor in socket 1.
Note: The server will not power-on when
the microprocessor in socket 1 is not
installed in the server. You will need to
toggle the switch block (SW3) to pin 6 to
power-on the server.
3. Restart the server to see if the problem
remains.
4. Reinstall the microprocessor in socket 1 and
restart the server.
5. Replace any failing device.
6. (Trained service technician only) Replace
the system board, if the problem remains.
(Continued on the next page.)
Chapter 7. Solving problems
145