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