Knoll Systems HT200 - Manual (Page 29)

When the STATUS indicator on the projector keypad lights or blinks
Status Light Message
Condition Status
OFF Normal
On Continually
The projector lamp has exceeded 1000 hours of
operation and should be replaced.
Blinking Very Rapidly (On and off in a
cycle of 1 sec.) The lamp housing is not correctly installed. Install it
correctly.
Blinking Rapidly
(On and off in a cycle of 4 sec.) The temperature protector has been triggered. If the
room temperature is high, move the projector to a
cool location. If the temperature within the projector
is high, check the cooling fan ventilation hole and the
ventilation hole on the bottom of the projector. If any
holes are blocked, remove whatever is blocking them.
The temperature protector has been triggered. If you
switch the main Power switch Off, then immediately
switch it On again; sometimes the power does not
come on. If this happens, wait one minute, and then
switch the power On again.
The lamp lighting voltage error detection protector
has been triggered. Wait at least one minute before
switching it on again. If this does not solve the
problem, please contact your dealer.
Blinking Slowly (On and off in a cycle of
8 sec.) The cooling fan has stopped. Contact your Knoll
dealer for service.
Blinking Very Slowly (On and off in a
cycle of 12 sec.) The lamp is not turned on.
The projector was turned off and back on too quickly.
Turn off the projector, wait one minute, then turn the
projector back on. Or the lamp is burnt out.
Replacing the lamp housing
After the lamp has been operating for 1000 hours or longer, the STATUS indicator on the control
panel will light and “LAMP USAGE” icon, which shows hours of total lamp use, will be
displayed on the screen. When this happen, turn off the unit and replace the lamp housing with
new one. The unit will not be go on after 1100 hours. (It will go off if it is in use.)
***CAUTION***
• DO NOT TOUCH THE LAMP immediately after it has been used. It will be
extremely hot. Allow at least one hour for the lamp to cool before handling.
• DO NOT LOOSEN ANY SCREWS except for those mentioned in the instructions
below. There is danger of electric shock.
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