Toshiba tecra m1 2.3 Power Supply Troubleshooting

2 Troubleshooting Procedures 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: Icons in the Sub LCD Check
Procedure 2: Error Code Check
Procedure 3: Connection Check
Procedure 4: Charge Check
Procedure 5: Replacement Check
Procedure 1 Icons in the LCD Check
The following Icons in the LCD indicate the power supply status:
 Battery icon
 DC IN icon
The power supply controller displays the power supply status through the Battery icon and
the DC IN icon in the LCD as listed in the tables below. To check the power supply status,
install a battery pack and connect an AC adaptor.
Table 2-1 Battery Icon
Battery Icon Power supply status
Lights Outline of the Battery
Flashes / Lights
Main Battery is installed
Charge / Full charge
Doesn’t light Main Battery is NOT installed
Table 2-2 DC IN Icon
DC IN icon Power supply status
Lights DC power is being supplied from the AC adaptor.
Doesn’t light Any condition other than those above.
2-6 TECRA M1 Maintenance Manual (960-436)