6 XCC heartbeat LED (green)
Description
The XCC heartbeat LED helps you identify the XCC status.
• Blinking (about one flash per second) : XCC is working normally.
• Blinking at other speeds or always on: XCC is at the initial phase or is working abnormally.
• Off: XCC is not working.
Action
• If the XCC heartbeat LED is always off or always on, do the following:
– If XCC cannot be accessed:
1. Re-plug the power cord.
2. Check and ensure that the system I/O board is installed correctly. (Trained technicians
only) Reinstall it if needed.
3. (Trained technicians only) Replace the system I/O board.
– If XCC can be accessed, replace the system I/O board.
• If the XCC heartbeat LED is always blinking fast over 5 minutes, do the following:
1. Re-plug the power cord.
2. Check and ensure that the system I/O board is installed correctly. (Trained technicians only)
Reinstall it if needed.
3. (Trained technicians only) Replace the system I/O board.
• If the XCC heartbeat LED is always blinking slow over 5 minutes, do the following:
1. Re-plug the power cord.
2. Check and ensure that the system I/O board is installed correctly. (Trained technicians only)
Reinstall it if needed.
3. If the problem remains, contact Lenovo Support.
Processor-board LEDs
The following illustrations show the light-emitting diodes (LEDs) on the processor board.
44
ThinkSystem SR630 V4 User Guide
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