DMR-EH49EEA, DMR-EH59EEA - Panasonic DVD Service Manual (repair manual). Page 17

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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.

U50
(For EG
only)

Antenna Short

U50 is displayed when a short circuit was
detected at Antenna Input while "Active
Antenna" of "Connection" of "FUNCTION
MENU" is ON, And then "Active Antenna" is
compulsorily switched to "Off".

"A short circuit was
detected at the
antenna input.
Please check your
antenna."

U59

Abnormal inner temperature
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 remain-
ing 25 minutes, fan motor is also stopped.)
The event is saved in memory as well.

No display

“U59 is displayed for 30 minutes.

U61

The unit is carrying out its
recovery process.

No display

U71

HDMI incompatible error 
(HDCP incompatible)

Display this error when the equipment (com-
patible with DVI such as TV, amplifier etc.)
connected to the unit by HDMI is incompatible
with HDCP. 
*HDCP=High-bandwidth Digital Content Pro-
tection

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)

No display

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.

U76

HDMI connection error

HDMI cannot be output because you are con-
nected to a model that does not support copy-
right protection.

No display