dynabook S Series - Page 57

2 Troubleshooting Procedures
dynabook PORTEGE A30-E/TECRA A30-G,-J/dynabook S Series Maintenance Manual(960-931) [CONFIDENTIAL] 2-11
2.3.2 Procedure 2 Error Code Check
If the power supply microprocessor detects a malfunction, the DC IN /Battery indicator is
flashing. 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 A2h (Error codes are given in hexadecimal format.)