Dell Wyse 5070 Extended Thin Client User Guide

Power LED error code behavior

Table 1. Power LED error code behaviorPower LED error code
LED# of flashes	Fault description	Fault	Action	Comment
2,1	CPU	CPU Failure	Type A
2,2	Motherboard: BIOS ROM failure	Motherboard, covers BIOS corruption or ROM error	NA	Not applicable to X7 BIOS. No Test Case support.
2,3	Memory	No Memory/RAM detected	NA	Not supported. Memory is solder down on Motherboard. It is difficult to validate this function.
2,4	Memory	Memory/RAM failure	Type A	Supported. Memory is solder down on Motherboard, the Service team could replace the motherboard/memory to repurpose the board for repair.
2,5	Memory	Invalid memory is installed	NA	Memory is solder down on motherboard.
2,6	Motherboard: Chipset	Motherboard / Chipset error	NA	This code is not supported. HW dependent.
2,7	LCD	LCD failure	NA	This code is not supported. There is no LCD.
3,1	RTC Power failure	CMOS battery failure	Type B
3,2	PCI / Video	PCI or Video card/ Chip failure	NA	Not applicable to X7 BIOS. No test case support.
3,3	BIOS Recovery 1	Recovery Image not found	Type A
3,4	BIOS Recovery 2	Recovery Image found but invalid	Type A
4,1	CPU Config or CPU Failure		NA	This code is not supported.
4,2	Generic POST Video Error—Old LED pattern 1110		NA	Not applicable to X7 BIOS. No test case support.

Example: LED# of flashes: 2,1 indicates that LED blinks two times, pauses, and then blinks once.

Troubleshooting action

Type A
- Log the fault event.
- Emit the LED error code pattern.
- Repeat the LED error code pattern in a dead-loop.
Type B
- Log the fault event, if possible.
- Emit the LED error code pattern.
- Repeat the LED error code 3 more times.
- Leave the LED light up in amber color.
- Continue with POST.