Jay I think you should better ask this question the manufacturer. I can see they shared the manual where we can see only fuse replacement and nothing about bulb replacement:
https://drive.google.com/file/d/1oWBoLGq2uN8cfE6LKNLpVi3d7YqUVk_O/view
Here is their web-site, try contact them there.
jay scanlan
Is there a replacement bulb available for this or a repair manual?
Thanks