NAD C660 Service Manual page 24

In case of writing fail.
Nomal Case
Check the Media CD-R
or CD-RW?
YES
Dose the disc have
any Dust, Scratch,
Fingerprint...?
NO
Finalized Disc?
YES
If CD-R disc, use new CD-R disc.
If CD-RW disc, erase the disc.
NO
Check disc Label.
Romove the Dust, Fingerprint
YES
and if the disc has long width
Scratch, change it.
NO
Eject Disc.
Go to "Writing Part Check"
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