Samsung DVD-R4000EU Self-diagnosis, Service Unit status Solutions Number, No Read, Unsupport

Self-diagnosis

The self-diagnosis displays appear if a problem occurs with the unit.

The service numbers in the table appear when a problem occurs.

≥The service numbers are a “U” followed by two digits.

Service number

Service	Unit status	Solutions
number
NO READ	The disc is dirty or badly	≥Follow the instructions in “Maintenance and Handling” to clean the disc if it is dirty.
	scratched.	(page 68)
		≥The disc cannot be played if it is scratched and this display doesn’t disappear.
	It cannot be read for the	≥It cannot be read for the disk which doesn’t cope with it. Exchange a disk.
	disk which doesn’t cope
	with it.
	The DVD-RAM/PD lens	≥Take the cleaner out of the unit.
	cleaner has finished
	cleaning.
UNSUPPORT	You have inserted a disc	≥Insert a disc the unit can play or record on. (page 10)
	the unit cannot play or
	record on.
U14	The unit is hot.	≥The unit switches to standby automatically for safety reasons and you cannot operate it.
		Wait for about 30 minutes for the service number to disappear.
		≥Select a position with good ventilation when installing the unit.
		≥Do not block the cooling fan on the rear of the unit.
U99	The unit fails to operate	≥Press [Í] to switch the unit to standby. Now press [Í] again to turn the unit on.
	properly.
RECOVER	A power failure occurred	≥The unit is carrying out its recovery process. Wait until the message disappears.
	or the AC mains plug was
	disconnected while the
	power was ON.

71