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Latitude 5430 Rugged Service Manual

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System-diagnostic lights

This section lists the system-diagnostic lights of your Latitude 5430 Rugged.

Table 1. System-diagnostic lightsThe following table provides the system-diagnostic lights of your Latitude 5430 Rugged.
Blinking pattern Problem description Suggested resolution
Amber Green
1 1 TPM detection failure Replace the system board.
1 2 Unrecoverable SPI flash failure Replace the system board.
1 3 Short in hinge cable tripped OCP1 Check if the display cable (EDP) is seated properly or pinched at the hinges. If problem persists, replace either display cable (EDP) or display assembly (LCD).
1 4 Short in hinge cable tripped OCP2 Check if the display cable (EDP) is seated properly or pinched at the hinges. If problem persists, replace either display cable (EDP) or display assembly (LCD).
1 5 EC unable to program i-Fuse Replace the system board.
1 6 EC internal failure Disconnect all power source (AC, battery, coin cell) and drain flea power by pressing and holding down power button for 3~5 seconds.
2 1 Processor failure Replace the processor. If the processor is onboard, replace the system board.
2 2 System board: BIOS or ROM (Read-Only Memory) failure Replace the system board.
2 3 No memory or RAM (Random-Access Memory) detected Confirm that the memory module is installed properly. If problem persists, replace the memory module.
2 4 Memory or RAM (Random-Access Memory) failure Confirm that the memory module is installed properly. If problem persists, replace the memory module.
2 5 Invalid memory module installed Confirm that the memory module is installed properly. If problem persists, replace the memory module.
2 6 System-board or chipset error Replace the system board.
2 7 Display failure - SBIOS message Replace display cable (EDP) if possible, otherwise replace the display assembly (LCD).
2 8 Display failure - EC detection of power rail failure Replace the system board.
3 1 CMOS battery failure Reset the CMOS battery connection. If problem persists, replace the coin-cell battery.
3 2 PCI of video card/chip failure Replace the system board.
3 3 BIOS recovery image not found Flash latest BIOS version. If problem persists, replace the system board.
3 4 BIOS recovery image found but invalid Flash latest BIOS version. If problem persists, replace the system board.
3 5 Power-rail failure EC ran into power sequencing failure. If problem persists, replace the system board.
3 6 System BIOS Flash corruption. Flash corruption detected by SBIOS. If problem persists, replace the system board.
3 7 Management Engine (ME) error Timeout waiting on ME to reply to HECI message. If problem persists, replace the system board.

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