Lamp housing replacement procedure – Knoll Systems HT200 User Manual

Page 30

Lamp housing replacement procedure

1. Switch off the main power and unplug the power cord.
2. Wait at least one hour for the lamp to cool.
3. Turn the unit upside down carefully.
4. Loosen the lamp cover securing screw.
5. Slide the lamp cover in the direction of the arrow and
remove it.

CAUTION: Do not use a lamp housing other than
the Knoll replacement lamp housing. Order this from
your Knoll dealer using your projector’s model
number (see “Note” below).

6. Loosen the three lamp housing securing screws. (This
projector has a safety switch.)
7. Hold the handle then pull the lamp housing upward to
remove it.
8. Install the new lamp housing.
9. Secure the lamp housing with the three screws.
10. Replace and secure the lamp cover with the securing
screw.
11. Return the unit to the normal position, connect the
power cord, and turn on the unit.
12. Reset the lamp time. Select the lamp usage time menu,
then press the POWER ON button on the remote
control and hold it down for at least ten seconds.
(See page 29.)

Note:
When the lamp
usage time
reaches 1100
hours, it
becomes
impossible to
switch on the
power and
menus are not
displayed. In this case, press the remote control POWER
OFF button for at least 10 seconds in the standby mode. It is
possible to confirm whether it has been reset or not by
checking whether the STATUS indicator is extinguished (See
page 29).
Obtain a replacement lamp from your dealer where the
projector was purchased. When ordering a replacement
lamp, specify the correct special replacement lamp – model
name UP-280DC (Product code 28-685).