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.
SymptomThe projector will not turn on when is pressed...
CAUSE / REMEDY:
1. Make sure to hold for approximately one second. Or press quickly and release, and fol-
low with .
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 (100-240 VAC, 50-60 Hz nominal) and that you are using the original
high-current 13A cable provided.
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 built-in keypad.
4. The batteries in the IR remote keypad may be weak. Refer to page 2-17, Replacing Keypad
Batteries for instructions.
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 key on the built-in keypad to turn the projector on.
SymptomThe 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 to clear.
3. Is an active source connected properly? Check the cable connections. And is the correct source
selected? Press , , , or 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.
Power*
Power*
ON
Power*
Exit
Input1
Input2
Input3
Input4
4-5