Replacing The Unit - Panasonic PT-LW373 Operating Instructions (Functional Manual)

Attention
f Do not disassemble the air filter unit.
f When attaching the air filter unit, make sure that the projector is stable, and work in an environment that is safe, even in the
event of the air filter unit dropping.
f Make sure that the air filter unit is properly attached before using the projector. If it is not attached, the projector will suck in
dirt and dust causing a malfunction.
Note
f After cleaning the air filter, reset the filter counter. Otherwise, the warning icon
f Replace the air filter unit with the new optional Replacement Filter Unit (Model No.: ET-RFL300) if it is damaged or if the dirt
does not come off even after cleaning.

Replacing the unit

Lamp unit
The lamp unit is a consumable component. Refer to "When to replace the lamp unit" for details about the replacement cycle.
When purchasing the optional Replacement Lamp Unit (Model No.: ET-LAL500), consult your dealer.
Warning
Do not replace the lamp unit when it is hot. (Wait at least one hour after use.)
The inside of the cover can become very hot, take care to avoid burn injuries.
Notes on the replacement of the lamp unit
f A Phillips screwdriver is necessary when replacing the lamp unit.
f Since the luminous lamp is made of glass, it may burst if dropped or hit with a hard object.
Handle with care.
f Do not disassemble or modify the lamp unit.
f When replacing the lamp unit, be sure to hold it by the handle because its surface is
pointed and its shape is protruded.
f The lamp may rapture. Replace the lamp unit carefully so the glass fragments of the
lamp do not scatter. While attaching the projector to the ceiling, do not work right
under the lamp unit or do not conduct work while your face is near the lamp unit.
f The lamp contains mercury. When disposing of used lamp units, contact your
local authorities or dealer for correct methods of disposal.
Attention
f Panasonic takes no responsibility for any damage or malfunction of the product resulting from use of lamp units which are
not manufactured by Panasonic. Use only specified lamp units.
Note
f The model numbers of accessories and optional accessories are subject to change without prior notice.
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.
Please refer to the displayed time in [Lamp counter] of [Info.] about the usage time of lamp (x page 76).
The estimated duration before replacement is 6 000 hours which is displayed in [Lamp counter], but the lamp may go off
before the time above mentioned has elapsed depending on individual lamp characteristics, usage conditions, and the
installation environment. It is recommended that the Replacement lamp unit be prepared earlier.
The time which is displayed in [Lamp counter] is a total time when the real usage time in [
(Eco 2)] is converted to the runtime in [
The displayed time in [Lamp counter] = "Lamp runtime of [
The real usage time when the displayed time in [Lamp counter] is 6 000 hours means,
When [Lamp control] is constantly set to [
When [Lamp control] is constantly set to [
When [Lamp control] is constantly set to [
If you continue to use the lamp unit after the displayed time in [Lamp counter] 6 600 hours has elapsed, the lamp turns off
automatically at approximately 10 minutes after turning on the power, as it will cause malfunction of the projector.
98 - ENGLISH
Chapter 6 Maintenance - Maintenance/replacement
(Eco 1)]. Please note that they are not displayed individually.
+ "Lamp runtime of [
(Normal)] without switching to other modes = 5 000 hours
(Eco 1)] without switching to other modes = 6 000 hours
(Eco 2)] without switching to other modes = 10 000 hours
(Normal)]" × 1.2 + "Lamp runtime of [
(Eco 2)]" × 0.6
will appear on screen.
(Normal)], [ (Eco 1)] or [
(Eco 1)]"