Lexmark 5016-001 manual

5016-001

	FRU	Action
8	LVPS Fuses	The problem might be with any +24 V dc device,
	F401, F402	such as stepper motor, solenoid or clutch
	either or both	connected to the engine board. Remove and
	continue to blow	replace one FRU at a time until you find the
	after being	failing component.
	replaced.	Note: A shorted motor, case to winding short,
	(Continued)
		may also damage the engine board. It may be
		necessary to replace both the motor and the
		board.
9	AC Input	Check the AC input receptacle for signs of
	Receptacle	damage.
		•	If damage is found, replace the receptacle.
		• If no damage is found, go to step 10.
10	AC receptacle	Check that the wiring is correctly installed and
	to AC On/Off	connected to the AC input receptacle and the
	Wiring.	AC On/Off switch. Check the wiring for signs of
		damage.
		•	If correct, check the blue and gray wires for
			continuity and go to step 11.
		•	If incorrect, replace the faulty cable.
11	AC On/Off	Check the wiring from the LVPS to the AC
	Switch LVPS to	On/Off switch verifying it is installed properly
	AC On/Off	and not damaged. If incorrect, replace the
	Switch Wiring	switch.

Diagnostic Information 2-75