Operating Instructions

Chapter 5 Maintenance — Maintenance/replacement

Maintenance/replacement

Before performing maintenance/replacement

f

Make sure to turn off the power before maintaining the projector or replacing the unit. (x pages 47, 49) f

When switching off the projector, make sure to follow the procedures in “Switching off the projector” (x page 49).

Maintenance

Outer case

Wipe off dirt and dust with a soft, dry cloth.

f

If the dirt is persistent, soak the cloth with water and wring it thoroughly before wiping. Dry off the projector with a dry cloth.

f

Do not use benzene, thinner, or rubbing alcohol, other solvents, or household cleaners. Doing so may deteriorate the outer case.

f When using chemically treated dust cloths, follow the instructions written on its packaging.

Lens front surface

Wipe off dirt and dust from the front surface of the lens with a soft clean cloth.

f

Do not use a cloth that is luffy, dusty, or soaked with oil/water.

f

Since the lens is fragile, do not use excessive force when wiping the lens.

Attention

f

The lens is made of glass. Impacts or excessive force when wiping may scratch its surface. Handle with care.

Air ilter unit

Perform maintenance of the air ilter in the following case.

f

The air ilter is clogged with dust, causing the ilter replacement message to appear on the screen and the ilter indicator <FILTER> to light in red.

Attention

f

Make sure to turn off the power before performing maintenance on the air ilter unit.

f

Make sure that the projector is stable, and perform the maintenance in a safe place where the unit will not be damaged even if you drop the air ilter unit.

Removing the air ilter unit

Air filter cover Tabs on the projector Air filter unit

Air filter cover fixing screw

Fig. 1

Air filter unit compartment and the projector’s air intake port

Fig. 3 Fig. 2

1) Remove the air filter cover. (Fig. 1)

f

Use a Phillips screwdriver to turn the air ilter cover ixing screw (x1) counterclockwise until it turns freely, and gently pull open in the direction of the arrow with your inger placed on the indent of the air ilter cover and remove the cover.

f

When pulling open the air ilter cover, be sure to irmly hold the air ilter cover with your hand. Opening the air ilter cover quickly may result in the cover falling.

2) Remove the air filter unit.

f

Pull out the air ilter unit from the tabs of the projector while slightly pressing the tab at the center of the frame at the connecting terminal side (rear side) inward as shown by the arrow, and remove the air ilter unit. (Fig. 2) f

After pulling out the air ilter unit, remove foreign objects and dust from the air ilter unit compartment and the projector’s air intake port if there are any. (Fig. 3)

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Chapter 5 Maintenance — Maintenance/replacement

Cleaning the air ilter unit

Remove the air ilter unit beforehand according to the previously described procedure in “Removing the air ilter unit”.

Fig. 1 Fig. 2

1) Wash the air filter unit. (Fig. 1)

i)

Soak the air filter unit in cold or warm water and then lightly rinse it.

f

Do not use cleaning tools such as brushes.

f

When rinsing, hold the frame of the air ilter unit without putting strong pressure on the ilter.

ii) Rinse the air filter unit two to three times using fresh water each time.

f

Insuficient rinsing may result in odors.

2) Dry the air filter unit. (Fig. 2)

f

Let the air ilter unit naturally dry off in a well-ventilated place where there is little dust and is not exposed to direct sunlight.

f

Do not dry using drying devices such as dryers.

f

After the air ilter unit is dried, proceed to “Attaching the air ilter unit” (x page 132).

Attaching the air ilter unit

1) Attach the air filter unit to the projector.

f

Perform Step 2) in “Removing the air ilter unit” in the reverse order.

f

Push in the air ilter unit securely until it clicks into place.

2) Attach the air filter cover.

f

Perform Step 1) in “Removing the air ilter unit” in the reverse order to close the air ilter cover, and push in the air ilter cover securely until it clicks into place.

f

Use a Phillips screwdriver to irmly tighten the air ilter cover ixing screw (x1).

Attention

f

After washing the air ilter unit, dry it thoroughly before attaching it back to the projector. Attaching a wet unit will cause an electric shock or malfunction.

f

Do not disassemble the air ilter unit.

f

Make sure that the air ilter 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

If you use the projector without attaching the air ilter unit, the ilter indicator <FILTER> lashes in red and the message appears on the projected image for approximately 30 seconds.

f

Replace the air ilter unit with the new optional Replacement Filter Unit (Model No.: ET-RFE300) if it is damaged or if the dirt does not come off even after washing.

f

Air ilter replacement is recommended after cleaning the unit two times.

f The dust-proof properties may be reduced after each cleaning.

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Chapter 5 Maintenance — Maintenance/replacement

Replacing the unit

Lamp unit

The lamp unit is a consumable component. Refer to “When to replace the lamp unit” (x page 133) for details about the replacement cycle.

When purchasing the optional Replacement Lamp Unit (Model No.: ET-LAE300), consult your dealer.

It is recommended that you request a qualiied technician to replace the lamp unit. Consult your dealer.

Warning

Replace the lamp unit after the lamp has cooled (after waiting at least one hour).

The high temperature inside the cover will cause burns.

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 speciied 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. The estimated duration before replacement is 3 000 hours, but the lamp may go off before reaching to 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, as it may cause malfunction of the projector.

On-screen display

REPLACE LAMP

Lamp indicator

Over 2 800 hours

Over 3 000 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 message remains displayed until you press any button.

The indicator lights in red even during the standby mode.

Note

f

To predict when to replace the lamp, check the lamp runtime displayed at [LAMP : TOTAL] in [STATUS] (x page 96).

f 3 000 hours is only the target for replacement and not the warranty time.

How to replace the lamp unit

Attention

f 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

Do not remove or loosen the screws other than speciied ones when replacing the lamp unit.

f

Make sure to attach the lamp unit and the lamp cover securely.

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Chapter 5 Maintenance — Maintenance/replacement f

If the lamp unit is not installed properly, remove it and then push it in slowly. Pushing it in quickly or forcibly may break the connector.

Lamp unit fixing screws

Lamp cover

Lamp cover fixing screw

Lamp unit

Handles

Fig. 1 Fig. 2

1) Set the <MAIN POWER> switch to <OFF> and disconnect the power plug from the power outlet.

f Wait at least one hour and check if the lamp unit has cooled down.

2) Remove the lamp cover. (Fig. 1)

f

Use a Phillips screwdriver to turn the lamp cover ixing screw (x1) counterclockwise until it turns freely, and slide the lamp cover slowly in the direction of the arrow to remove it.

f

Opening the lamp cover quickly may result in falling.

3)

Remove the lamp unit. (Fig. 2)

f

Use a Phillips screwdriver to turn the lamp unit ixing screws (x3) counterclockwise until they turn freely, and remove the lamp unit.

f

Hold the handles of the lamp unit and remove it straight.

4) Push in the new lamp unit while paying attention to the insertion position.

f

If the lamp unit is not installed properly, remove it and then push it in slowly. Pushing it in quickly or forcibly may break the connector.

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.

Note

f When you replace the lamp unit with new one, the projector resets the runtime of the lamp unit automatically.

Air ilter unit

When the dust remains after cleaning, the ilter replacement timing has come.

The Replacement Filter Unit (Model No.: ET-RFE300) is an optional accessory. To purchase the product, consult your dealer.

How to replace the air ilter unit

Attention

f

Make sure to turn off the power before replacing the air ilter unit.

f

Make sure that the projector is stable, and perform the replacement in a safe place where the unit will not be damaged even if you drop the air ilter unit.

1) Remove the air filter unit.

f

Refer to “Removing the air ilter unit” (x page 131).

2) Attach the optional Replacement Filter Unit (Model No.: ET-RFE300) to the projector.

f

Refer to “Attaching the air ilter unit” (x page 132).

Attention

f

When using the projector, be sure to attach the air ilter unit. If it is not attached, the projector will suck in dirt and dust causing a malfunction.

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Chapter 5 Maintenance — Maintenance/replacement

Note

f

If you use the projector without attaching the air ilter unit, the ilter indicator <FILTER> lashes in red and the message appears on the projected image for approximately 30 seconds.

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