Toshiba 50CT User Guide - Page 38

Power Supply Troubleshooting, Troubleshooting Procedures

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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: Power Status Check Procedure 2: Error Code Check Procedure 3: Connection Check Procedure 4: Replacement Check Procedure 1 Power Status Check The following icons indicate the power supply status: q Battery icon q DC IN icon The power supply controller displays the power supply status through the Battery and the DC IN icons as shown in the tables below. Table 2-1 Battery icon Battery icon Power supply status Lights orange Quick charge *1 Lights green Battery has a full charge and the AC adapter is connected Blinks orange (even intervals) The battery level becomes low while operating the computer on battery power*2 Doesn't light Any condition other than those above. If the battery becomes too hot, charging will stop and the battery icon will go out even if the AC adapter is connected *1 One of two battery levels becomes low. *2 AutoResume Off will be executed soon. 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*3 Blinks green Stand-by state Doesn't light Any condition other than those above *3 When the power supply controller detects a malfunction, the DC IN icon blinks and an error code is displayed. Libretto 50CT/70CT Maintenance Manual 2-5

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2
Troubleshooting Procedures
2.3
Power Supply Troubleshooting
Libretto 50CT/70CT Maintenance Manual
2-5
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:
Replacement Check
Procedure 1
Power Status Check
The following icons indicate the power supply status:
q
Battery icon
q
DC IN icon
The power supply controller displays the power supply status through the Battery and the
DC IN icons as shown in the tables below.
Table 2-1
Battery icon
Battery icon
Power supply status
Lights orange
Quick charge
*1
Lights green
Battery has a full charge and the AC adapter is connected
Blinks orange
(even intervals)
The battery level becomes low while operating the computer on
battery power
*2
Doesn’t light
Any condition other than those above. If the battery becomes too hot,
charging will stop and the battery icon will go out even if the AC
adapter is connected
*1
One of two battery levels becomes low.
*2
AutoResume Off will be executed soon.
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
*3
Blinks green
Stand-by state
Doesn’t light
Any condition other than those above
*3
When the power supply controller detects a malfunction, the DC IN icon blinks and an error
code is displayed.