Panasonic DMR-PWT550GL Service Manual page 47

Mode Name
HDD/BD Drive Simple Check if HDD Self-Diagnosis test was per-
Check formed or Drive last error occurred within 4
weeks.
* lf the current date or the date when the error
occurred is wrong, correct judgement may not
be made.
Laser Used Time Check laser used time (hours) of drive.
Indication
Item
Description
FL Display
47
Key Operation
(Remote controller key)
Press [3][8] in service mode.
Press [4] [1] in service mode.