Christie DLV1280 DX User Manual page 107

MAINTENANCE
Symptom
CAUSE / REMEDY:
Symptom
CAUSE / REMEDY:
Symptom
CAUSE / REMEDY:
4-12
DLV1280 DX User's Manual
3. Does the green "Status" LED flash with each key press? If not, the projector is
not receiving the keypad's IR signals. Direct the keypad at either the front of the
projector or at the screen. Also make sure that these paths are not blocked.
4. The batteries in the IR remote keypad may be weak. Refer to 4.3, Replacing
Keypad Batteries for instructions.
5. The IR keypad may have been disabled by a change in protocol. See 2.10,
Keypad Protocols and Conversion and 3.7, Configuring System Parameters.
The projector is on but I can't see display of source input...
'
1. Was the lens cover accidentally left on? Remove lens cover.
2. Is the projector in standby? Press
3. Is an active source connected properly? Check the cable connections. And is the
correct source selected? Press
Source Connections and 3.5, 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 service
technician.
The projector does not respond to the infrared remote keypad...
'
1. Does the wired-in keypad work? If so, check that the IR keypad is enabled (its
protocol and IR sensor protocol must match).
2. Does the green "Status" LED flash each time a key is pressed? If not, the
projector is not receiving the keypad's IR signals. Ensure the keypad is directed
to either the front of the projector or towards the screen.
3. The viewing path between the IR keypad and the projector (or screen) may be
blocked. Ensure there is a clear line-of-sight between the keypad and the
projector (or screen).
4. The batteries in the IR remote keypad may be weak. Refer to 4.3, Replacing
Keypad Batteries for instructions on how to replace the batteries.
5. There may be unusual lighting conditions in the room that interfere with IR
keypad operation. Determine if such conditions exist and correct.
6. The IR keypad may have been disabled for use with this projector(s). Press
to enable broadcasting to all projectors. See 2.10, Keypad Protocols and
Conversion and 3.7, Configuring System Parameters for additional information.
The power is on but the lamp is not...
'
1. The projector probably became overheated (there is likely an error code
flashing). Allow to cool and make sure that nothing blocks projector vents. Do
not operate in environments warmer than 35°C (95°F).
2. The lamp may have reached the end of its life. Check the "Lamp Hours" via RS-
lph?
232 request
Exit to clear.
Input1 , Input2
.
, Input3 , or Input4 to select. See 2.4,