Knoll Systems HD225 - Manual (Page 26)

26
Red LED behavior and projector errors
If the projector is not functioning properly and the red LED is blinking, consult Table 2 to
determine a possible cause. There are two-second pauses between the blinking cycles.
Table 3:
Red LED Behavior
Explanation
One (1) blink
The lamp won’t strike after five attempts. Check the
lamp and lamp door installations for loose connectors.
Two (2) blinks
The lamp counter hours have exceeded lamp life hours.
Replace the lamp and reset the lamp hours counter.
Three (3) blinks
The projector has shut down the lamp. Turn the
projector off and wait one minute, then turn the
on. If the lamp does not turn on, replace the lamp.
Contact Technical Support for repair if replacing the
lamp does not solve the problem.
Four (4) blinks
A fan has failed. Contact Technical Support for repair.
Five (5) blinks
The projector is overheating. Check for a blocked air
vent. Contact Technical Support for repair if clearing
The air vent does not solve the problem.
Projected image size
Table 4:
Image sizes
Distance to
screen (feet/m) Minimum
Diagonal (feet/m)
throw ratio 1.72 Maximum
Diagonal (feet/m)
throw ratio 1.44 Minimum
Horizontal
(feet/m)
throw ratio 1.98 Maximum
Horizontal
(feet/m)
throw ratio 1.98
5/1.5 2.9/0.9 3.5/1.1 2.6/0.8 3.1/0.9
10/3 5.8/1.8 6.9/2.1 5.1/1.5 6.0/1.8
15/4.6 8.7/2.6 10.4/3.2 7.6/2.3 9.0/2.8
20/6.1 11.6/3.5 13.8/4.2 10.1/3.1 12.0/3.7
30/9.1 17.3/5.3 20.6/6.3 15.1/4.6 18.0/5.5
32.8/10 18.9/5.8 22.6/6.9 16.5/5.0 19.7/6.0
For more information, go to www.knollsystems.com/lcd225.htm.