10
First issue 09 /03
DIAGNOSTIC
LED
Normal status
Error Status
This is an easy self-diagnostic function by Light Emitting Diode. When PDP does not operate, it shows a reason.
However, it is the simple version. It may not be perfect though regrettable.
Blink of GREEN Light Emitting Diode.
(Ex.: IIC communication NG of MODULE microcomputer. )
Blink of RED Light Emitting Diode
LED STATUS
COMMENTS
RED
This indicator is red during standby mode
GREEN
This indicator turns to green when the unit is in the FEB mode.
ORANGE
This indicator turns to green when the unit is in the STAND-ALONE mode.
Nor
m
a
l
St
at
u
s
Slowly flashes GREEN
Power-Management function is operating.
The number of times of blink
The reason of a SHUTDOWN
1
Communication NG with PANEL microcomputer
2
IIC communication NG of MODULE microcomputer
3
Dew condensation NG
4
High temperature NG
5
FAN NG
FAN UNIT PD or Connection fault of the cable to FAN Assembly
6
Communication NG with MODULE microcomputer
7
Communication NG with WIDE microcomputer
8
IIC communication NG of MAIN microcomputer
9
Connection fault of the cable to AUDIO Assembly
It is mainly various poor communications. It is possible to carry out power on again
Green
lighting 200ms
The light is not switched on 3s
Blank 100ms
Green
lighting 200ms
The number of times of blink
The chief reason of a power down
1
Y-DRIVE NG
2
X-DC/DC CONVERTOR NG
Y-DC/DC CONVERTOR NG
3
4
X-DRIVE NG
5
POWER SUPPLY NG
6
ADDRESS NG
7
ADDRESS RESONANCE NG
8
DC/DC CONVERTOR (DIGITAL) NG
If you switch on a power on again, you once have to shut the main power supply.