User Guide

2 Troubleshooting Procedures 2.3 Power Supply Troubleshooting
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 13h (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.
2-8 Satellite A50/TECRA A2 Maintenance Manual (960-478)