IBM 1400 (2611) manual Indicator-Related Symptoms, Power-Related Symptoms, Memory-Related Symptoms

Indicator-Related Symptoms

Symptom/Error			FRU/Action in Sequence
Indicator incorrectlyŸ Reconnect the indicator					board
remains	off	or on, but connector.
system	runs	cor-	Ÿ	Indicator board
rectly.

Power-Related Symptoms

Symptom/Error				FRU/Action		in	Sequence
Power		shuts	down	Ÿ	Go	to	“Power		Systems
during		operation.			Check”		on	page 111.
				Ÿ	AC Adapter
				Ÿ	Battery pack
				Ÿ	Audio PCB
				Ÿ	DC/DC charger
				Ÿ	System board
The	system		doesn't	Ÿ	Go	to	“Power		Systems
power		on.			Check”		on	page 111.
				Ÿ	AC Adapter
				Ÿ	DC/DC charger
				Ÿ	System board
The	system		doesn't	Ÿ	Go	to	“Power		Systems
power		off.			Check”		on	page 111.
				Ÿ Hold		and		press the power
					switch for more than 4
					seconds.
				Ÿ	DC/DC charger
				Ÿ	System board
Battery can't be				Ÿ Go to “Power Systems
charged.					Check”		on	page 111.
				Ÿ	Battery pack
				Ÿ	DC/DC charger
				Ÿ	System board

Memory-Related Symptoms

Symptom/Error			FRU/Action in		Sequence
Memory	count (size)		Ÿ	Go to “Memory Check” on
appears		different		page	113.
from	the	actual	size.	Enter	BIOS	Utility and
			Ÿ
				execute "Load			Setup	Default
				Settings";		then	reboot	the
				system.
			Ÿ	DIMM
			Ÿ	System board

128 ThinkPad i Series 1400 HMM