Projectors is power on but now showing lens any light.

Display Technology: 3LCD
MPN: NP17LP+, P420X
Aspect Ratio: 4:3
Image Brightness: 4200 ANSI Lumens
Brand: NEC
Type: Home Theater Projector
Maximum Resolution: 1080p (FHD)
Contrast Ratio: 2000:1
Model: P420X
Connectivity: Composite: RCA, HDMI, HDMI Standard, Network: RJ-45, RS232: DB-9pin, S-Video, USB, VGA In: Dsub-15pin x 2, Wired, Wireless Networking
Features: Blackboard Mode, Built-in Speakers, Ceiling Projection, Closed Captioning, Color Correction, HD Ready, Projection Tilt, Rear Projection
Native Resolution: 1024 x 768
Compatible Operating System: Android, Linux, Windows, iOS/Mac
Throw Ratio: Medium/Standard Throw