Panasonic DMR-EH75VP, Service Manual

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8 Service Mode
8.1. (DVD) Self-Diagnosis and Special Mode Setting
8.1.1. (DVD) 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 the drive temperature
exceeds 70°C.
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
“U59 is displayed for 30 minutes.
U61 The unit is carrying out its
recovery process. No display
U88 The unit is carrying out its
recovery process. 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.
H19 Inoperative fan motor When inoperative fan motor is detected after
powered
on, the power is turned off
automatically.
The event is saved in memory.
No display No display
F00 No error information Initial setting for error code in memory
(Error code Initialization is possible with error
code initialization and main unit initialization.) No display No display
F09 Serial Communication Error
between VHS Microprocessor
and Timer Microprocessor.
Please confirm Serial Communication
terminal of Microprocessor.
NOTE:
If F09 appears just after updating Firmware,
pull off and insert AC plug, then it will
disappear.
No display
F34 Initialization error when main
microprocessor is started up
for program recording When initialization error is detected after
starting up main microprocessor for program
recording,
the power is turned off
automatically.
The event is saved in memory.
No display No display
F58 Drive hardware error When drive unit error is detected, the event is
saved in memory. No display No display
F60 DVD module has not been
started. Defect of Digital P.C.B.
Mode: No change No display
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DMR-EH75VP