70
TROUBLESHOOTING
Problem Cause Remedy
Image blurred Lenses dirty or fogged.
»
Clean lenses, allow condensation to evaporate.
Slide inserted the wrong way.
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Insert slide with emulsion side facing the screen.
Faulty focusing after change of lenses.
»
Repeat basic manual focusing.
Autofocus switched off.
»
Switch autofocus on or focus manually.
Image shows keystone distortion Projector or screen too high, too low or
»
Align screen so that it is vertical to and parallel
not at right angles to each other. with front of projector; center lenses on screen.
Unsatisfactory image registration Misalignment
»
Realign images.
Slide mounts inaccurate or
»
Use better and identical slide mounts only.
too different.
Color fringes in light portions “Newton‘s rings” – Interference phenomena
»
Use glassless mounts; allow film to dry under pressure
of image between film back and cover glass of slide mount. before mounting; if necessary, wash film and dry again.
Uneven image brightness Halogen lamp incorrectly fitted.
»
Align lamp.
Slide advance jammed Sharp-edged metal or glass mounts
»
Pull power plug, remove cover and carefully
jammed in slide changer. remove jammed slide.
Magazine slot for projected
slide occupied.
IR sensor does not respond to remote control Projector outside remote-control range.
»
Do not exceed range of 10 m.
Transmitter battery exhausted.
»
Change battery. If no battery is available, projection can be continu-
ed
if remote control is placed in its tray in projector.
Projector does not respond to input commands IR sensor exposed to direct light.
»
Avoid stray light on sensor.
or executes them incorrectly
Projector jammed Feed heel in wrong position.
»
Switch projector off and remove jammed slide,
then reposition feed heel.
Module LED keeps blinking after saving Insufficient capacity of module.
»
Insert type 300 module.
of program
No module in place.
»
Insert module.
Advance gear keeps running after magazine Dust or foreign particles on optical magazine-
»
Clean optical magazine-scanning aperture with a camel-hair brush.
has been removed scanning aperture (below slide feed).
Pause light blinks after switching on projector Transit lock still in projector.
»
Remove transit lock.
and pressing green forward button;
projector stalled.
Projection lamp goes dead Lamp defective
»
Change lamp or switch to spare lamp (MSC 535 P)
Thermal overload protection in operation
»
Make sure there is adequate ventilation
Hints