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10. Appendix
Lamp Indicator
Indicator display Projector status Procedure
Off The lamp is turned off.
Flashing Green Preparing to relight lamp after
lighting has failed
Wait a while.
Red Lamp replacement grace period The lamp has reached the end of its service life and is now in
the replacement grace period (100 hours). Replace the lamp
as soon as possible. ( page 176)
Red (cycles of 6) Lamp does not light The lamp has not turned on. Wait at least 1 minute, then turn
the power back on. If the lamp still does not light, contact an
Ricoh projector customer support center.
Lit Red Lamp usage time exceeded The lamp has exceeded its usage time. The projector’s power
cannot be turned on until the lamp is replaced. ( page 176)
Green Lamp lit
Temp. Indicator
Indicator display Projector status Procedure
Off No problem
Flashing Red (cycles of 2) Temperature problem The temperature protector has been activated. If the room
temperature is high, move the projector to a cool place. If the
problem still persists, contact an Ricoh projector customer
support center.
Lit Orange High surrounding temperature The surrounding temperature is high. Lower the room tem-
perature.
If the temperature protector is activated
If the projector’s internal temperature rises abnormally, the lamp turns off and the temperature indicator flashes (repeatedly in
cycles of 2).
It may happen that the projector’s temperature protector is simultaneously activated and the projector’s power turns off.
If this happens, do the following:
- Unplug the power cord from the power outlet.
- If using in a place where the surrounding temperature is high, move the projector to a different, cool place.
- If there is dust in the ventilation holes, clean. ( pages 171 and 174)
- Wait as such about 1 hour for the projector’s internal temperature to lower.
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