3M 9700 Gebruiksaanwijzing - Pagina 10
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Troubleshooting
Problem
Lamp does not illuminate but fan motor
runs.
Neither lamp nor fan comes on.
Fan motor does not run but lamp
illuminates.
Lamp and fan both work but utility
outlets do not have power.
After replacing a burned out lamp, the
new lamp fails.
Short lamp life: Lamps seem to fail
before expected life span.
Projected image is wider at the top than
bottom (Vertical Keystoning).
Projected image higher on one side
(Horizontal Keystoning).
Projected image is dim.
Projected image does not have uniform
brightness.
Yellow/orange to brown or blue colours
appear in corners of image.
Colour, focus or image problem.
3M 9700 Operator's Guide
Probable Causes
c. Control Panel door open
d. Lamp changer dial not engaged
e. Mirror Pan obstructed, not fully
deployed
f. Lamp not seated properly
g. Lamp burned out
a. Projector not plugged in
b. Stage cover not completely closed
c. No power at wall outlet
a. Fan blade/motor is obstructed
b. Fan motor is burned out
a. Outlets overloaded, circuit breaker
tripped
a. Defective lamp was installed
b. Possible electrical problem
a. Defective lamps
b. High line voltage
a. Screen not aligned at 90 angle to
projected light beam
a. Projector not aligned at 90 angle to
screen
a. Dirty stage glass, lenses, mirrors
b. ENX lamp incorrectly installed in
FXL projector
c. EVD Lamps only: condenser lens
bracket not closed
a. Lamp alignment
a. Lamp not at best location for
projector to screen distance
a. Optics out of alignment
Solution
a. Close control panel door.
b. Fully rotate lamp changer dial.
c. Remove all obstructions from under
mirror pan.
d. Seat lamp squarely in socket.
e. Replace lamp.
a. Plug projector into outlet.
b. Close stage cover to engage safety
interlock.
c. Verify outlet has power.
a. Call for service.
b. Call for service.
a. Unplug accessories and reset circuit
breaker. Accessories must not
exceed 5 amps total.
a. Replace lamp again.
b. If new lamp fails immediately, you
may have an electrical problem. Call
for service.
a. Document actual lamp life, then
contact Lamp Supplier or 3M Service
Information.
a. Tilt projection screen toward
projector until image width is equal
at top and bottom.
a. Rotate projector until image height is
equal on both sides.
a. Remove surface dirt.
b. Replace incorrect lamp type with
FXL lamp.
c. Close condenser lens bracket.
a. Properly seat lamp in socket and/or
fully rotate lamp changer into
position 1 or 2.
a. Rotate colour tuning dial.
a. Call for service.
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