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.) |
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PORTEGE M780 Maintenance Manual | [CONFIDENTIAL] |