Toshiba Satellite A350 Maintenance Manual page 46

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
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.
Battery State
Charging
Discharging
Satellite A350, SATEGO A350, EQUIUM A350 Series Maintenance Manual
LED colors
Red, solid on
White, solid on
Red color off
Red, blinking
(LED on for 1 second
every 4 seconds)
Red, blinking
(LED on for 1 second
every 2 seconds)
Red color off
Table 2-1 Battery LED
10
Definition
Battery charging with AC.
Battery fully charged by AC
Battery abnormal stop charging with AC
(Bad cell/ Overheated)
Battery within low state: 12 minutes
remaining
Battery within critical low state: 3
minutes remaining. The system is
protected and cannot be re-powered on
without the AC power connected.
Battery not in low or critical low state;
It's in discharging state