Self-diagnosis – Samsung DVD-R4000 User Manual
Page 71
71
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
Unit status
Solutions
NO READ
The disc is dirty or badly
scratched.
≥Follow the instructions in “Maintenance and Handling” to clean the disc if it is dirty.
(page 68)
≥The disc cannot be played if it is scratched and this display doesn’t disappear.
It cannot be read for the
disk which doesn’t cope
with it.
≥It cannot be read for the disk which doesn’t cope with it. Exchange a disk.
The DVD-RAM/PD lens
cleaner has finished
cleaning.
≥Take the cleaner out of the unit.
UNSUPPORT
You have inserted a disc
the unit cannot play or
record on.
≥Insert a disc the unit can play or record on. (page 10)
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
properly.
≥Press [Í] to switch the unit to standby. Now press [Í] again to turn the unit on.
RECOVER
A power failure occurred
or the AC mains plug was
disconnected while the
power was ON.
≥The unit is carrying out its recovery process. Wait until the message disappears.
Service number