Lenovo 3797 manual Led

There are two types of checkpoint codes: field programmable gate array (FPGA) hardware checkpoint codes and UEFI checkpoint codes. The UEFI checkpoint codes might change because of code sequence and timing changes or when the server firmware is updated.

vReset button: Press this button to reset the server and run the power-on self-test (POST). You might have to use a pen or the end of a straightened paper clip to press the button. The reset button is in the lower right-hand corner of the diagnostics panel.

For more information about EasyLED diagnostics, see the Hardware Maintenance Manual.

The following table lists the LEDs on the EasyLED diagnostics panel and suggested actions to solve the detected problems.

vFollow the suggested actions in the order in which they are listed in the Action column until the problem is solved.

vSee the parts listing in the Hardware Maintenance Manual to determine which components are customer replaceable units (CRU) and which components are field replaceable units (FRU).

vIf an action step is preceded by “(Trained service technician only),” that step must be performed only by a trained service technician.

LED	Description	Action
None, but	An error has occurred and cannot be	Use the Setup utility to check the system-event log for
the	diagnosed, or the IMM has failed. The	information about the error.
system-	error is not represented by an EasyLED
error LED	diagnostics LED.
is lit.
OVER	The server was shut down due to a	1. If any of the 12v power channel error LEDs (A, B, C, D, E,
SPEC	power-supply overload condition on one
		or AUX) on the system board are lit also, see “Power
	of the power channels. The power
		problems” on page 138. (See “System-board LEDs” on
	supplies are using more power than the
		page 27 for the location of the power channel error LEDs.)
	maximum rating.
		2. Check the power supply LEDs for an error indication (AC
		LED and DC LED are not both lit, or the power-supply error
		LED is lit). Swap power supplies 1 and 2 with each other.
		v If the error follows the power supply, replace the failed
		power supply.
		v If the error remains with the power bay, (trained service
		technician only) replace the system board.
		3. Remove optional devices from the server.
LOG	An error message has been written to	Check the IMM system event log and the system-error log for
	the system-event log	information about the error. Replace any components that are
		identified in the error logs.
LINK	Reserved.
PS	A power supply has failed.	1. Check the power supply LEDs for an error indication (AC
		LED and DC LED are not both lit). See Table 16 on page
		149 for more information.
		2. Make sure that the failing power supply is correctly seated.
		3. Replace the failed power supply.

18ThinkServer RD220 Types 3729, 3779, 3797, and 3798: Installation and User Guide