Maintenance
■Replacing the lamp cartridge
Important
•Be sure to use the replacement lamp cartridge PJL 327. Other lamp cartridges are not suitable for use in this unit.
The lamp used as a light source in this unit is a consumable and will gradually lose its brightness during the course of use. It is advisable to replace the lamp when running time has exceeded 2000 hours.
You can view the current lamp running time in 3 <INITIAL> on the menu. The LAMP warning indicator will blink when running time exceeds 2000 hours. (See page 15.)
There will also be a message displayed on the screen. In this case, follow the instructions below to replace the lamp cartridge. Be sure to use the replacement lamp cartridge PJL 327. Other lamp cartridges are not suitable for use in this unit. Consult the store where this unit was bought for details on replacement lamp cartridges.
Important
•Before starting to replace the lamp cartridge, turn off the power, disconnect the power cable after the fan has com- pletely stopped, and wait at least one hour for the lamp to cool down.
•Do not remove any other screws than those specified in the following steps.
1.Loosen the lamp cover screws.
Lamp cover screws
2.Remove the lamp cover.
3.Loosen the screws of the lamp cartridge.
4.Grip the handle and pull the lamp cartridge to remove it.
5.Insert the new lamp cartridge by reversing the above steps, and tighten the screws to fix it into place.
6.Replace the lamp cover and secure it with the screws.
The lamp will not turn on if the cover is not securely fastened. Take care to attach it firmly in place.
7.Connect the unit to the power outlet, turn the unit on, and reset “LAMP RUNNING TIME” on the 3 <INITIAL> section in the menu. (See page 20.)
Important
•Take care not to drop the lamp or cover when replacing a lamp in a ceiling mounted unit.