2 Troubleshooting Procedures 2.3 Power Supply Troubleshooting
2-8 Satellite A40 Maintenance Manual (960-458)
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.
q Start Off for 2 seconds
q 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.)
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