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Chapter 5 Maintenance — Maintenance/replacement
146 - ENGLISH
When to replace the lamp unit
The lamp unit is a consumable component. Since its brightness gradually decreases over time, it is necessary to replace the lamp unit
regularly. The estimated duration before replacement is 3 000 hours, but the lamp may go off before reaching 3 000 hours, depending on the
characteristics of the individual lamp, usage conditions, and the installation environment. It is recommended that the replacement lamp unit be
prepared earlier.
If you continue to use the lamp unit after 3 000 hours has elapsed, the lamp turns off automatically after approximately 10 minutes, because it
may cause malfunction of the projector.
If the runtime of all the four lamp units exceeds 3 000 hours, the power will be switched off after approximately 10 minutes.
On-screen display
REPLACE LAMP
Lamp indicator
Over 2 800 hours
The message is displayed for 30 seconds. Pressing
any button on the control panel or remote control
within 30 seconds will clear the message.
The indicator lights in red even during the standby
mode. (Only the corresponding lamp lights on.)
Over 3 000 hours
The message remains displayed until you press any
button.
Note
f To predict when to replace the lamp, check the lamp runtime displayed in [LAMP1] to [LAMP4] of [STATUS] (x page 106).
f The runtime of 3 000 hours is a rough estimate and is not guaranteed.