KE-MR42/50M1(CH)
3-1
SECTION 3
TROUBLESHOOTING
3-1. DISPLAY UNIT (PDM-4200/5000)
No image
appears.
LED display
Panel module
failure
Blinks alternately.
Blinks six times.
Blinks four times.
G board failure
Temperature sensor
or circuit failure
Just after
start?
YES
NO
Installation
environment?
OK
NG
Fan rotation?
YES
NO
Fan or
circuit failure
Environment
improvement
Blinks.
Just after
start?
YES: Not appear at all.
NO: Appears for a few seconds.
LED display
Lights.
BOX LED
Blinks nine times.
Encrypted authentication
error of box or display
All is normal.
Box LED?
LED display
Lights.
Image erasure
mode
Box failure
Abnormal
Lights.
Priming?
YES: Light emission
NO: No light
emission
P board failure
Check of cable
connection
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