Toshiba PORTEGE M400 User Manual
Page 55

2.3 Power Supply Troubleshooting
2 Troubleshooting
Procedure 1
Power Supply Icon Check
The following two icons indicate the power supply status:
Battery icon
DC IN icon
The power supply controller uses the power supply status with the Battery icon and the DC IN
icon as listed in the tables below.
Table 2-1 Battery icon
Battery icon
Power supply status
Lights orange
Battery is charged and the external DC is input. It has no relation
with ON/OFF of the system power.
Lights green
Battery is fully charged and the external DC is input. It has no
relation with ON/OFF of the system power.
Blinks orange
(even intervals)
The battery level is low while the system power is ON.
Flashes orange
(at being switched on)
The battery level is low and the power is turned on only with the
battery.
Doesn’t light
Any condition other than those above.
Table 2-2 DC IN icon
DC IN icon
Power supply status
Lights green
DC power is being supplied from the AC adapter.
Blinks orange
Power supply malfunction
* 1
Doesn’t light
Any condition other than those above.
*1 When the power supply controller detects a malfunction, the DC IN icon blinks
orange. It shows an error code.
PORTEGE M400 Maintenance Manual (960-541)
[CONFIDENTIAL]
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