MAINTENANCE
6-4
CP2000-X User Manual
020-100031-01 Rev. 1 (03-2009)
up as necessary, making sure not to over fill. Coolant does not need to be drained for
transit.
After installation, check/maintain operation of both vane switches—one in the
exhaust duct and one near the lamp fan—as follows:
1.
Turn projector ON (lamp is not needed).
2.
Turn your extractor fan OFF.
3.
Confirm that the LCD status display shows that the extractor fan vane switch has
failed. Turn fan back ON to correct.
4.
Block air intake at rear corner (input side) of projection head.
5.
Confirm that the LCD status display shows that the lamp fan vane switch has
failed. Clear air intake to correct.
6.
Repeat all steps every 6 months in permanent installations.
7.
Maintain vane switches as described in 6.3, Maintenance and Cleaning.
NOTE:
If the exhaust duct becomes significantly blocked—or if a fan fails—the
projector’s airflow sensor should trigger a shutdown before the projector becomes
overheated or unsafe. Regardless,
check the airflow periodically
.
To help ensure optimized performance and reliability, regularly check electrical,
optical and other components as described below.
WARNING
SHOCK HAZARD. Disconnect
projection head
and
ballast
from AC at
BOTH
wall breakers.
Do the following every 60 days or 500 hours (always disconnecting from AC first):
Check the contact surfaces of positive (anode) and cathode (negative)
connections for cleanliness. Clean electrical contact surfaces as necessary to
prevent contact resistance from scorching connectors.
Verify that all electrical and lamp connections are tight.
Unnecessary cleaning of optics can be more harmful than helpful, increasing the risk
of degrading delicate coatings and surfaces. In this projector, check only the
lens
and
lamp reflector
—maintenance of other optical components requires a qualified service
technician. Check these components periodically in a clean, dust-free environment
using a high-intensity light source or flashlight. Clean them
only
when dust, dirt, oil
or other marks are obvious. Never touch an optical surface with your bare hand—
always wear latex lab gloves.
When to Check
LENS:
A small amount of dust or dirt on the lens has minimal effect on image
quality—to avoid the risk of scratching the lens, clean the lens
only
if absolutely
required. See below.
LAMP REFLECTOR:
Inspect the mirror surface (reflector) for cleanliness
only
during a
lamp replacement, when the lamp is out. If necessary, clean as described below—
Exhaust
Duct
&
Lamp Fan Interlocks
6.3 Maintenance
and Cleaning
Electrical
Optical
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