Panasonic DMR-EH59GA, Service Manual

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7 Service Mode
7.1. Self-Diagnosis and Special Mode Setting
7.1.1. Self-Diagnosis Functions
Self-Diagnosis Function provides information for errors to service personnel by “Self-Diagnosis Display” when any error has
occurred.
U**, H** and F** are stored in memory and held.
You can check latest error code by transmitting [0] [1] of Remote Controller in Service Mode.
Automatic Display on FL will be cancelled when the power is turned off or AC input is turned off during self-diagnosis display is ON.
Error Code Diagnosis Contents Description Monitor Display Automatic FL display
U30 Remote control code error Display appears when main unit and remote
controller codes are not matched. No display
“*” is remote controller code of the
main unit.
Display for 5 seconds.
U59 Abnormal inner tempera-
ture detected Display appears when internal temperature
of deck reaches limit temperature.
The power is turned off forcibly.
For 30 minutes after this, all key entries are
disabled. (Fan motor operates at the highest
speed for the first 5 minutes.
For the remaining 25 minutes, fan motor is
also stopped.) The event is saved in memory
as well. No display
ìU59 is displayed for 30 minutes.
U61 The unit is carrying out its
recovery process.
(with no disc in the disc tray) • The unit detected an error while recording
or playing with no disc in the disc tray.
The unit is carrying out its recovery
process.This process restores the unit to
normal operation. The unit is not broken.
Wait until the message disappears.
No display
U71 HDMI incompatible error
(HDCP incompatible) Display this error when the equipment
(compatible with DVI such as TV, amplifier
etc.) connected to the unit by HDMI is
incompatible with HDCP.
*HDCP=High-bandwidth Digital Content
Protection No display
U72 HDMI connection error
(communication error) This error is displayed when there are any
communication problems with the unit and
the equipments (TV, amplifier etc.)
connected to the unit by HDMI. (or when
there is a problem with the HDMI cable)
U72 display disappears when
error has been solved by Power
OFF/ON of connecting equipment
or by inserting/removing of HDMI
cable.
U73
HDMI connection error
(authentication error)
When authentication error occurs while the
equipments (TV, amplifier etc.) are
connected by HDMI. (or when there is a
problem with the HDMI cable) No display
U73 display disappears when
error has been solved by Power
OFF/ON of connecting equipment
or by inserting/removing of HDMI
cable.
U88 The unit is carrying out its
recovery process.
(with a disc in the disc tray) • The unit detected an error while recording
or playing with a disc in the disc tray.
The unit is carrying out its recovery
process.This process restores the unit to
normal operation. The unit is not broken.
Wait until the message disappears.
No display
U99 Hang-up Displayed when communication error has
occurred between Main microprocessor and
Timer microprocessor. No display
Displayed is left until the [POWER]
key is pressed.