Panasonic PT-VW540 Operating Instructions Manual page 115

The message is displayed for 30 seconds. If you press any button
Over 4 800 hours on the control panel or the remote control within 30 seconds, the
message disappears.
Over 5 000 hours The message remains displayed until you press any button.
Note
f To predict the lamp unit replacement time, convert the runtime of [NORMAL], [ECO1] and [ECO2], which are set from the [PROJECTOR
SETUP] menu → [LAMP POWER], to the equivalent runtime of [[NORMAL] respectively. After checking the runtime of [NORMAL], [ECO1]
and [ECO2] displayed in the [PROJECTOR SETUP] menu → [STATUS] → [RUNTIME] → [LAMP (ET-LAV400)], calculate the converted
runtime by referring to "Formula for lamp unit replacement time (rough estimate)". (
f The lamp unit replacement time of 5 000 hours is a rough guideline instead of a guarantee.
How to replace the lamp unit
Attention
f When the projector is mounted on a ceiling, do not work with your face close to the lamp unit.
f When replacing the lamp unit, do not remove or loosen the screws other than specified.
f Attach the lamp unit and the lamp cover securely.
1) After turning off the projector, remove the plug from the outlet.
f Wait at least one hour and make sure the lamp unit and surroundings have cooled down.
2) Remove the lamp cover. (Fig. 1)
f Turn the lamp cover fixing screw (×1) with the Phillips screwdriver in the counterclockwise direction until it
turns freely, slowly slide the lamp cover in the direction of the arrow, and then remove it.
3) Remove the lamp unit. (Fig. 2)
f Turn the lamp unit fixing screws (×3) with a Phillips screwdriver in the counterclockwise direction until it
turns freely, and remove lamp unit.
f Hold the handle of the lamp unit and take it straight out.
f Do not remove screws other than the lamp unit fixing screws.
4) Press in the new lamp unit while paying attention to the insertion position.
f If it is difficult to install the lamp unit, remove and reinstall it. The connector part may be damaged if it is
pressed by force.
5) Use a Phillips screwdriver to firmly tighten the lamp unit fixing screws (x3).
f Make sure to attach the lamp unit securely.
6) Attach the lamp cover.
i) Perform Step 2) in the reverse order to attach the lamp cover.
ii) Use a Phillips screwdriver to firmly tighten the lamp cover fixing screw (x1).
f Make sure to attach the lamp cover slowly and securely.
Chapter 6 Maintenance - Maintenance/replacement
Lamp cover
Lamp cover
fixing screw
Fig. 1
Lights in red (even in stand-by mode).
Æ page 78)
Lamp unit fixing screws
Fig. 2
ENGLISH - 115
Handles