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2.3 Power Supply Troubleshooting 2 Troubleshooting Procedures
Procedure 2 Error Code Check
If the power supply microprocessor detects a malfunction, the DC IN icon blinks orange. The
blink pattern indicates an error as shown below.
Start Off for 2 seconds
Error code (8 bit)
“1” On for one second
“0” On for half second
Interval between data bits Off for half second
The error code begins with the least significant digit.
Example: Error code 11h (Error codes are given in hexadecimal format.)
Check 1 Convert the DC IN icon blink pattern into the hexadecimal error code and compare
it to the tables below. Then go to Check 2.
Table 2-3-1 Error code
（
in Intel chipset model
）
Error code Where Error occurs
1*h AC Adaptor
2*h 1st Battery
3*h 2nd Battery
4*h S3V output
5*h E5V output
6*h E3V output
7*h 1R5-E1V output
8*h 1R8-B1V output
9*h PPV output
A*h PTV output
B*h 1R5-E1V output
C*h 1R8-B1V output
D*h PPV output
E*h PTV output
F*h -
TECRA A8 /Satellite Pro A120 Maintenance Manual (960-573) [CONFIDENTIAL] 2-9