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The lamp housing is designed to contain these fragments, but use caution when removing the
lamp housing. Before replacing the lamp, clean the lamp compartment and dispose of cleaning
materials. Make sure to wash your hands after lamp replacement. This product has a lamp, which
contains a very small amount of mercury. Dispose of it as required by local, state or federal
ordinances and regulations. For more information see www.eiae.org.
7 Carefully remove the lamp housing. Dispose of the lamp in
an environmentally proper manner.
8 Install the new lamp housing and tighten the screws.
9 Re-attach the lamp connector to the projector.
The locking tab should engage when the connector is fully
plugged in.
10 Replace the lamp door.
11 Replace the base or ceiling mount plate, if necessary. Service menu
12 Plug in the power cord and press the Power button
on the remote or keypad to turn the projector back on.
13 To reset the lamp hour timer, navigate to the
Settings>Service menu and select Reset
Lamp Hours. See page 21 for details.
Appendix
Red LED behavior and projector errors
If the projector is not functioning properly and the LED is blinking red, consult Table 4 to
determine a possible cause. There are two-second pauses between the blinking cycles. Visit
Knoll System’s website for more details on the red LED error codes.
Table 4: LED Behavior
Red LED Behavior Explanation
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 shutdown. Check to see if the lamp door is open. If the lamp door is closed,
toggle off the projector and wait one minute and then toggle the projector on again. If the
lamp does not strike after one minute, replace the lamp. Contact Technical Support (see page
22) for repair if replacing the lamp does not solve the problem.
Four (4) blinks The fan has failed. Contact Technical Support for repair or replacing the fan.
Five (5) blinks The projector is overheating. Check for a blocked air vent. Contact Technical Support (see page
14) for repair if clearing the air vents does not solve this problem.