User's Manual

DW551DR4-1 User Manual 27
Troubleshooting
ISSUE
RECOMMENDED SOLUTION
No image is displayed.
 Check whether the cable is completely plugged in.
 Check whether the main switch is in the ON position, and the
power cord is completely plugged in.
 Check whether the image source’s resolution is set as the
supported format (refer to section “Input Mode”, p.26).
 Check whether the cable is damaged or bent excessively.
Nothing happens when
switching the main switch on.
 Unplug the power cord from the socket and plug it in again
after a few seconds to reset the Signage.
Note: Unplugging the power cord will not change the settings.
Image is unstable.
 Check whether the cable is completely plugged in.
The remote control does not
work.
 Check whether there are batteries in the remote control.
 Check the batteries for freshness, polarity, etc.
 Check whether the remote is in the operation range.
 Bright light may interfere with the remote control. Please
avoid using the remote control near special fluorescent lights
or neon lights.
Auto on/off does not work or
does not function properly.
 Check whether the TIMER setting in the menu is set to “OFF”.
 Check whether the “Power On Time” and “Power Off Time”
settings are set correctly.
Cannot control the display
remotely via RS-232.
 Check whether the RS-232 cable is connected properly.
If you are still having trouble with your DynaScan DS² Professional LCD, contact your dealer or
DynaScan directly for more assistance.