Panasonic DMR-EX93CEG Service Manual page 19

Error Code Diagnosis contents
U80 ST Microprocessor
Communication
Timer
Bus
U81 ST Microprocessor
Communication
UART
U88 The unit is carrying out its
recovery process.
U99 Hang-up
H19 02 Inoperative fan motor
F00 No error information
F58 Drive hardware error
F34 Initialization error when main
microprocessor is started up
for program recording
F74 HDMI Device Key Communi-
cation error.
F75 HDMI Device Key Information
error
UNSUP- Unsupported disc error
PORT
NO READ Disc read error
Description
Display appears when ST Microprocessor
Error on Communication Error on Timer Bus occurs.
Display appears when ST Microprocessor
Error on Communication Error on DART occurs.
Displayed when communication error has
occurred between Main microprocessor and
Timer microprocessor.
When inoperative fan motor is detected after
powered on, the power is turned off automati-
cally.
The event is saved in memory.
Initial setting for error code in memory
(Error code Initialization is possible with error
code initialization and main unit initialization.)
When drive unit error is detected, the event is
saved in memory.
When initialization error is detected after start-
ing up main microprocessor for program
recording, the power is turned off automati-
cally.
The event is saved in memory.
HDMI connection could not be authenticated
due to a transfer malfunction.
Factor of HDMI Device key-road failure
• When HDMI LSI is damaged.
• When the bus line of I2C doesn't operate
normally.
• When device key information recorded is
damaged.
HDMI connection could not be authenticated
due to an internal data malfunction.
Factor of HDMI Device key-road failure
• When HDMI LSI is damaged.
• When the bus line of I2C doesn't operate
normally.
• When device key information recorded is
damaged.
*An unsupported format disc was played,
although the drive starts normally.
*The data format is not supported, although
the media type is supported.
*Exceptionally in case of the disc is dirty.
*A disc is flawed or dirty.
*A poor quality failed to start.
*The track information could not be read.
Monitor Display
No display
No display
No display
No display
No display
No display
No display
No display
No display
No display
"This disc
incompatible."
"Cannot
Please check the
disc."
19
Automatic FL display
U80 is displayed till the [POWER]
key is pressed.
U81 is displayed till the [POWER]
key is pressed.
Displayed is left until the [POWER]
key is pressed.
No display
No display
No display
No display
is Display for 5 seconds.
The character indication flows side-
ways.
read.