2.3 Power Supply Troubleshooting 2 Troubleshooting Procedures
Procedure 2 Error Code Check
If the power supply microprocessor detects a malfunction, the DC IN LED 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 a half second
Interval between data bits Off for a half second
The error code begins with the least significant digit.
Example: Error code 12h (Error codes are given in hexadecimal format.)
Satellite A20 Maintenance Manual (960-444) 2-9