“Confidential, Do Not Duplicate without written authorization from NEC.”
14-4
REPLACEMENT OF THE LAMP HOUSE AND BULB
■ Replacement procedures
1. View the operating times of the lamp bulb and reflector on the display screen of the main unit and note down
them (refer to the installation manual for how to call up operating time).
2. Open the rear panel of the main unit. Use the attached key.
3. Loosen four screws of the lamp cover and remove the cover.
4. Pull out the cover glass toward you and take it out.
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