Troubleshooting Guide - Sim2 HT 280E User And Installation Manual

11 TROUBLESHOOTING GUIDE

No power (Green and red LED are OFF)
- Check the power switch at the rear: it must be in position I.
- Check if the power cable has been connected correctly to a
working socket.
- Check the power socket fuse, at the rear of the projector.
- Replace the fuse on the mains socket with an identical type
(T 3.15A H) (Fig. 2).
- Should the problem persist, seek authorised technical assi-
stance.
The lamp is not coming on
- Allow a few minutes pause between switching off and turning
on again (from stand-by). This will allow the lamp to cool down
sufficiently.
- If the lamp doesn't come on – even though the projector has
had sufficient time to cool down – seek technical assistance
from your nearest Dealer.
No image
- Check that the selected input is actually connected to a active
video or graphic signal.
- Check that the above source actually works.
- Verify compatibility of video/graphic signals with the technical
specifications of the projector.
- Check the integrity of cables used to connect various sour-
ces.
- Check temperature of the room: it must be below 35°C
(95°F)
- Check projector air vents on top and underneath the projector:
they must be free of obstruction.
- If the problem persists, consult your Dealer.
Image is disturbed, unstable or noisy
- Verify compatibility of video/graphic signals with the technical
specifications of the projector.
- Check the integrity of cables connecting projector to various
sources.
- If the signal source is a terrestrial broadcast (via a VCR) check
that the receiving channel has been correctly tuned in and
that the aerial system is in good working order.
- Should the problem be present with a signal coming from a
video-recorder, ensure that the videotape is an Original "first
generation" copy and in good condition.
- Adjust the VCR's tracking control for optimum picture per-
formance. Ensure the VCR mode is active in the Picture
menu.
Incomplete image along borders (vertical and horizontal)
- Compare compatibility of video/graphic signals and technical
specifications of your projector.
- Press Auto (on your remote or keypad) to execute automatic
adjustments.
- Adjust the horizontal and vertical position of projected ima-
ge by selecting Position on the Image Adjustments
menu.
- Adjust the width and height of image, selecting Aspect in
the Image Adjustments menu.
Image too dark, too pale or unnaturally coloured
- Verify compatibility of video/graphic signals with technical
specifications of your projector.
- Go to Picture menu, select and regulate any of the following,
accordingly: Contrast, Brightness, Color, and Tint.
- If necessary, reset the Color Temperature and Gamma
Correction (found on the Image Adjustments / Advan-
ced Settings menu).
Graphic image with poor quality vertical detail
- Verify compatibility of video/graphic signals with technical
specifications of your projector.
- Press Auto (on your remote or keypad) to execute auto-
matic adjustments.
- Adjust Frequency and Phase parameters, found in the
Image Adjustments menu, to optimise vertical detail of
the projected image.
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