Lenovo 6524, 6523, 6530, 6525, 6522, 6526, 6528, 6529 manual Levels or coordinated code

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″ section 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.

Numeric sensor Planar 12 V going	Error	A lower critical sensor going	Check the power-supply LED.
low (lower critical) has asserted.		low has asserted.
Numeric sensor Planar 12 V going	Error	An upper critical sensor	Check the power-supply LED.
high (upper critical) has asserted.		going high has asserted.
Numeric sensor Planar VBAT going	Error	A lower critical sensor going	Replace the 3 V battery.
low (lower critical) has asserted.		low has asserted.
Numeric sensor Fan n Tach going	Error	A lower critical sensor going	1. Reseat the failing fan n, which
low (lower critical) has asserted.		low has asserted.
			is indicated by a lit LED on
(n = fan number)
			the fan.
			2. Replace the failing fan.
			(n = fan number)
The Processor CPU nStatus has	Error	A processor failed - IERR	1. Make sure that the latest
Failed with IERR.		condition has occurred.
			levels of firmware and device
(n = microprocessor number)
			drivers are installed for all
			adapters and standard
			devices, such as Ethernet,
			SCSI, and SAS.
			Important: Some cluster
			solutions require specific code
			levels or coordinated code
			updates. If the device is part
			of a cluster solution, verify
			that the latest level of code is
			supported for the cluster
			solution before you update
			the code.
			2. Run the DSA program for the
			hard disk drives and other I/O
			devices.
			3. (Trained service technician
			only) Replace microprocessor
			n.
			(n = microprocessor number)

Chapter 8. Troubleshooting 153