Toshiba PROL550 manual Procedure1 PowerStatusCheck, Dc-Inled

2￿Troubleshooting￿Procedures￿

as￿instructed.￿The￿flowchart￿in￿Figure￿2-2￿gives￿a￿summary￿of￿the￿process.￿￿The￿procedures￿described￿in￿this￿section￿are:￿

Procedure￿1:￿ Power￿status￿check￿

Procedure￿2:￿ Adaptor￿/￿battery￿replacement￿

Procedure￿3:￿ Power￿supply￿connection￿check￿

Procedure￿4:￿ Diagnostic￿check￿

Procedure￿5:￿ Internal￿connection￿check￿

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Procedure￿1￿ Power￿Status￿Check￿

The￿following￿LEDS￿indicate￿the￿power￿supply￿status:￿

Battery￿LED￿

DC-IN￿LED￿

The￿power￿supply￿controller￿displays￿the￿power￿supply￿status￿through￿the￿Battery￿and￿the￿DC- IN￿LEDS￿as￿listed￿in￿the￿tables￿below.￿

Table￿2-1￿Battery￿LED￿

Battery￿State￿	LED￿colors￿	Definition￿
Charging￿	Amber,￿solid￿on￿￿	Battery￿charging￿with￿AC.￿
	green,￿solid￿on￿	Battery￿fully￿charged￿by￿AC￿
	Amber￿color￿off￿	Battery￿abnormal￿stop￿charging￿with￿AC￿
		(Bad￿cell/￿Overheated)￿
Discharging￿	Amber,￿blinking￿	Battery￿within￿low￿state:￿12￿minutes￿
	(LED￿ on￿ for￿ 1￿ second￿	remaining￿
	every￿4￿seconds)￿
	Amber,￿blinking￿	Battery￿within￿critical￿low￿state:￿3￿
	(LED￿ on￿ for￿ 1￿ second￿	minutes￿remaining.￿The￿system￿is￿
	every￿2￿seconds)￿	protected￿and￿cannot￿be￿re-powered￿on￿
		without￿the￿AC￿power￿connected.￿￿
	Amber￿color￿off￿	Battery￿not￿in￿low￿or￿critical￿low￿state;￿
		It’s￿in￿discharging￿state￿

￿￿￿￿￿￿￿￿￿

SATELLITE￿L550/PROL550￿SERIES￿MAINTENANCE￿MANUAL￿￿￿￿￿￿￿￿￿￿￿￿￿￿￿￿￿￿￿￿￿￿￿￿￿￿￿￿￿￿￿￿￿￿￿￿￿￿￿￿￿￿￿￿￿￿￿￿￿10￿