InFocus P740 Projector User Manual


 
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Appendix
Red LED behavior and projector errors
If the projector is not functioning properly and the LED is blinking red, con-
sult Ta ble 4 to determine a possible cause. There are two-second pauses
between the blinking cycles. Visit our website for more details on the red
LED error codes.
Table 4: LED Behavior
Red LED Behavior Explanation
One (1) blink The lamp won't strike after five (5)
attempts. Check the lamp and lamp door
installations for loose connections.
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. Check to
see if the lamp door is open. If the lamp
door is closed, toggle off the projector
and wait one minute, then toggle the pro-
jector on again. If the lamp does not strike
after one minute, replace the lamp. Con-
tact Technical Support for repair if replac-
ing the lamp does not solve the problem.
Four (4) blinks The fan has failed. Contact Technical Sup-
port for repair or replacing the fan.
Five (5) blinks The projector is overheating. Check for a
blocked air vent (page 16). Contact Tech-
nical Support for repair if clearing the
vents/screens does not solve the problem.