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Toshiba M1 User Manual

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2  Troubleshooting Procedures  
2.3 Power Supply Troubleshooting 
2-6 
TECRA M1 Maintenance Manual (960 -436) 
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: 
q  Battery  icon 
q  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.