HP CD-9400 manual Self-Diagnostics, Control Number Suggestion

SELF-DIAGNOSTICS

The CD-9400 has a self-diagnostic function. When the CD changer detects an abnormal condition, it displays an error number on the display. If this happens, try the suggestion shown. If the error number still appears, take the CD changer to your local RadioShack store for assistance.

Control	Page Number	Suggestion
U1	The disc is not loaded	Load the label side to the left.
		The CD might be dirty. Clean the CD.
	properly.
		Check to see if there is a foreign object in the slot.
U2	Mechanism operation error.	Check to see if there is a foreign object in the slot.
		Unplug the power cord and plug it in again.
U3	Rack cover error.	Check to see if the rack cover is blocked by anything.
		Unplug the power cord and plug it in again.

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