MAINTENANCE
4.5 Troubleshooting
If the projector appears not to be operating properly, note the symptoms present and use the fol- lowing guide to assist you. If you cannot resolve the problems yourself, contact your Runco deal- er for assistance.
NOTE: Always check the LCD status window at the rear of the projector for initial information about a problem.
Symptom The projector will not turn on when Power*
is pressed...
CAUSE / REMEDY:
1.Make sure to hold Power*
for approximately one second. Or press quickly and release, and fol- low with 
ON 
.
2.Do both LEDs come on at the rear of the projector? Check that the power cord is properly con- nected at the wall outlet
3.Does the green “Status” LED flash with each key press? If not, the projector is not receiving the keypad’s IR signals. Ensure the keypad is directed at either the front or rear of the projector, or at the screen. Also make sure that these paths are not blocked. Try the
4.The batteries in the IR remote keypad may be weak. Refer to page
5.The IR keypad may have been disabled by a change in protocol. See 2.12, Keypad Protocols and Conversion and 3.7, Adjusting System Parameters and Advanced Controls .
6.Use the Power*
key on the
Symptom The projector is on but I can’t see display of source input...
CAUSE / REMEDY:
1. Was the lens cover accidentally left on? Remove lens cover.
2. Is the shutter closed? Is the projector in standby? Press Exit 
to clear.
3.Is an active source connected properly? Check the cable connections. And is the correct source
selected? Press Input1
, Input2
, Input3
, or Input4
to select. See 2.10, Source Connections and 3.13, Using Inputs and Channels for details.
4.Are there test patterns or menus present? If so, check your source connections again.
5.The room lighting may be too bright. Lower the intensity of the room lighting. Reduce light reflections as much as possible.
6.Increase contrast and/or brightness of image.
7.The projector may be too far from the screen. Move the projector closer.
8.Is the “Status” LED flashing a pattern of yellow and red lights while the “Power” LED is steady red? This indicates an internal system error that may prevent the projector from operating. If the problem persists contact a qualified Runco service technician.