10.03
Instruction
Manual
8 Fault
diagnostics
The LED continuously lights up green in normal mode. In the event of a
malfunction, the fault can be located using the screen display and the control LED.
Screen
LED
Cause
Remedy
Switch off
Switch on the power switch
Power cable not
inserted or incorrectly
inserted.
Check power supply cable
Power supply cable
fault
Replace power supply cable
Dark
Blown fuse
Inform servicing department
No video signal
DVI cable not connected
Orange
DPMS aktive
Computer`s operating system
switches the diplay to power
down mode (to save power
and to spare the backlight)
Red,
continuous
light
Internal fault
Please contact your supplier
Red,
flashing at
1 Hz
Timing outside sync
area of the display
Please contact your supplier
Video signal detected,
but the display
adjustment is
incorrect
Check adjustment via VOSD
or SMfit ACT (z.B. LUT,
luminance, no test pattern,
aso.)
No picture
Green,
continuous
light or
flashing at
1 Hz
Video signal detected
but display is
damaged
Send display in repair
Green,
continuous
light
No error
–
Picture
Green,
flashing at
1 Hz
No error, refresh rate
is not optimal
Adjust the refresh rate of
display controller to 30 or
60 Hz (if the rate is not
optimal, jumping effects can be
occur)
18
21" gray scale flat panel display SMD 21300
A5E00185696B-001
