Power Supply Troubleshooting - Toshiba A20-S259 - Satellite - Pentium 4 2.66 GHz Maintenance Manual

2.3 Power Supply Troubleshooting

2.3 Power Supply Troubleshooting
The power supply controls many functions and components. To determine if the power supply is
functioning properly, start with Procedure 1 and continue with the other Procedures as instructed.
The procedures described in this section are:
Procedure 1: Power Status Check
Procedure 2: Error Code Check
Procedure 3: Connection Check
Procedure 4: Quick Charge Check
Procedure 5: Replacement Check
Procedure 1 Power Status Check
The following LEDs indicate the power supply status:
q Battery LED
q 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 LED
Lights orange
Lights green
Blinks orange
(even intervals)
Flashes orange
Doesn't light
*1 Low Battery Hibernation will be executed soon.
*2 Low Battery Hibernation has already been executed.
Satellite A20 Maintenance Manual (960-444)
Table 2-1 Battery LED
Quick charge
Battery is fully charged and AC adaptor is connected.
The battery level becomes low while operating the computer on battery
power. *1
The power switch is pressed on when the battery level is low. *2
Any condition other than those above
2 Troubleshooting Procedures
Power supply status
2-7