Panasonic DMR-PWT550GL, 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
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 oper-
ates at the highest speed for the first 5 min-
utes. For the remaining 25 minutes, fan motor
is also stopped.) The event is saved in mem-
ory 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
(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.) con-
nected 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 con-
nected 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
U77 Illegal disc error Due to the current disc not having authorized
copyright information, video output is not per-
formed. No display