Troubleshooting Procedures
2.3.2 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.)
Start
PORTEGE M780 Maintenance Manual (960-809)
[CONFIDENTIAL]
2-15
Summary of Contents for Portege M780
Page 12: ...1 Hardware Overview 1 2 CONFIDENTIAL PORTEGE M780 Maintenance Manual 960 809 ...
Page 44: ...Troubleshooting Procedures 2 2 CONFIDENTIAL PORTEGE M780 Maintenance Manual 960 809 2 ...
Page 114: ...Tests and Diagnostics 3 2 CONFIDENTIAL PORTEGE M780 Maintenance Manual 960 809 3 ...
Page 304: ... CONFIDENTIAL Chapter 4 Replacement Procedures ...
Page 305: ...4 Replacement Procedures 4 ii CONFIDENTIAL PORTÉGÉ M780 Maintenance Manual 960 809 4 ...
Page 415: ... CONFIDENTIAL Appendices ...
Page 416: ...Appendices App ii CONFIDENTIAL PORTEGE M780 Maintenance Manual 960 809 ...
Page 484: ...Appendices Appendix I Reliability I 2 CONFIDENTIAL PORTEGE M780 Maintenance Manual 960 809 ...