HP C1D80UT C1D80UT#ABA, Z220 F1J90UAABA manual Detected Or defective Reseat the fan Replace the fan

Table 4-10POST error messages (continued)

Screen message	Probable cause	Recommended action
304—Keyboard or System	Keyboard failure.	1.	Reconnect the keyboard with the computer
Unit Error			powered off.
		2.	Connect a keyboard directly to the computer
			(instead of through a switch box).
		3.	Be sure that none of the keys are pressed.
		4.	Replace keyboard.
		5.	Replace system board.
510—Splash Screen image	Splash Screen image has errors.	Update system BIOS/UEFI.
corrupted
511—CPU Fan not detected	Fan is not connected or is defective.	1.	Reseat the fan cable.
		2.	Reseat the fan.
		3.	Replace the fan.
512—Rear chassis fan not	Fan missing, disconnected, or	1.	Reseat the fan cable.
detected	defective.	2.	Reseat the fan.
		3.	Replace the fan.
513—Front Chassis fan not	Front fan missing, disconnected, or	1.	Reseat the fan cable.
detected	defective.	2.	Reseat the fan.
		3.	Replace the fan.
514—Power supply wattage	Computer configuration requires more	Reduce the computer power consumption.
insufficient for hardware	power than the power supply can
configuration	provide
515—Power supply fan not	Power supply fan is disconnected or	1.	Reseat the power supply cables.
detected	defective.	2.	Replace the power supply.
517—Memory fan not	Memory fan missing, disconnected, or	1.	Reseat the fan cable.
detected	defective.	2.	Reseat the fan.
		3.	Replace the fan.
518—PCI fan not detected	PCI fan missing, disconnected, or	1.	Reseat the fan cable.
	defective.	2.	Reseat the fan.
		3.	Replace the fan.
519—Hard drive fan not	Hard drive fan missing, disconnected,	1.	Reseat the fan cable.
detected	or defective.	2.	Reseat the fan.
		3.	Replace the fan.
520—Memory fan (2) not	Memory fan (2) missing, disconnected,	1.	Reseat the fan cable.
detected	or defective.	2.	Reseat the fan.
		3.	Replace the fan.

Diagnostic codes and errors 155