10. Self-Diagnosis and Special Mode Setting
10.1. Self-Diagnosis Functions
Self-Diagnosis Function provides information for errors to service personnel by “Self-Diagnosis
Display” when any error has occurred.
U14, H** and F** are stored in memory and held.
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
FL display
U12
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
Display for 5 seconds.
U14
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 speedfor
the first 5 minutes. For the
remaining 25 minutes, fan motor
is also stopped.) The event is
saved in memory as well.
No display
“U14” is displayed
minutes.
U99
Hang-up
Displayed when communication
error has occurred between Main
microprocessor and Timer
microprocessor.
No display
Displayed is left
[POWER] key is
H01
Inoperative fan motor
Display appears when
inoperative fan motor is detected
after powered on.
The power is turned off when
detecting.
No display
Displayed is left.
14
Summary of Contents for DMR-E55PC
Page 32: ...13 2 Checking and Repairing of Main P C B 32 ...
Page 33: ...13 3 Checking and Repairing of Digital P C B 33 ...
Page 34: ...13 4 Checking and Repairing of DVD RAM Drive 34 ...
Page 44: ...21 2 Casing Parts Mechanism Section 2 44 ...
Page 45: ...21 3 Packing Accessories Section 45 ...
Page 54: ...JK3904 K1U415B00001 JACK L2 1 54 ...
Page 66: ......
Page 79: ...1 A B C D 2 3 4 5 6 7 8 9 FRONT R P C B DMR E55P PC FRONT R P C B REP3713A ...
Page 81: ...Ref No MODE E C B REC 0 3 5 0 PLAY 0 3 5 0 STOP 0 3 5 0 QR7801 ...
Page 87: ...5 6 7 8 Location Map REAR DMR E55P PC Main P C B REP3662B 2 4 Section FRONT 1 4 2 4 3 4 4 4 ...
Page 89: ...Location Map REAR DMR E55P PC UP Main P C B REP3662B 4 4 Section FRONT 1 4 2 4 3 4 4 4 ...