Turn the ceiling light/spotlights switches OFF. Carefully pry off the lens (A) with a small screwdriver. Ceiling Light: 5 W Spotlight: 5 W x 2 Remove the two screws and the housing (B). Disconnect the 4P connector (C) from the housing.

Check the bulbs. If the bulbs are OK, check for continuity between the terminals in each switch position according to the table. When installing the ceiling/spotlights housing, if the threads in the ET screw are worn out, use an oversized ET screw made specifically for this application.