Panasonic DMR-PWT550GL Service Manual page 52

Mode Name
Display the Error History Display the Error History stored on the unit.
* If the current date or the date when the error
occurred is wrong, correct judgement may not
be made.
Save the error history to The error and user operation history of the
SD card remote control are saved to the SD card.
Registration of additional To register USB HDD for inspection.
USB HDD (Special mode)
Item
Description
FL Display
When the drive malfunction was
detected within 4 weeks ago. (*)
When the drive malfunction was
detected more than 4 weeks ago or
Drive last error data does not exist.
When HDD Self-Diagnosis test
result is NG.
When HDD Self-Diagnosis test
result is OK.
The Error History is not Data for
HDD and BD Drive.
The Error History is not Data.
HDD Self-Diagnosis test in process.
The SD card cannot be recognized
During saving
Save end
When USB HDD is in Special mode
(available for registered USB HDD):
When Special mode failure (USB-
HDD registration impossible):
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Key Operation
(Remote controller key)
Press [6] [5] in service mode.
Press [6] [9] in service mode.
Press [7] [4] in service mode.
* When releasing this mode, press
the [POWER] button of the unit or
Remote Control.
After releasing the special mode,
registration in the special mode is
cancelled.
Details are described in "3.1.3.1.
Registering the USB HDD".