Toshiba satellite A20 series Maintenance Manual page 60

2 Troubleshooting Procedures
Check 1 Convert the DC IN LED blink pattern into the hexadecimal error code and
compare it to the tables below.
The error code begins with the least significant digit.
Error code
Error code Where Error occurs
1*h DC-IN
(AC Adaptor, DS)
2*h The 1st Battery
3*h The 2nd Battery
4*h S3V output (P60)
5*h E5V output (P61)
6*h E3V output (P62)
7*h PPV output
(P63:CH0)
8*h EMV output
(P64:CH0)
9*h 2R5-E2V output
(P65:CH0)
A*h 1R25-B1V output
(P66:CH0)
B*h PPV output
(P63:CH1)
C*h EMV output
(P64:CH1)
D*h 2R5-E2V output
(P65:CH1)
E*h 1R25-B1V output
(P66:CH1)
F*h
2-10
AC Adaptor is not connected.
Error code begins with : 0x10
Error code ends with : 0x1F
The 1st Battery is not connected.
Error code begins with : 0x20
Error code ends with : 0x2F
The 2nd Battery is not connected.
Error code begins with : 0x30
Error code ends with : 0x3F
Operating Power ON
Error code begins with : 0x40
Error code ends with : 0xEF
Satellite A20 Maintenance Manual (960-444)
2.3 Power Supply Troubleshooting