Why does visualizing fire or bright light make me panic?

When the guide asks me to visualize a bright sun, fire, or any intense light source, I immediately feel a rising sense of panic and anxiety. It feels threatening rather than warm and healing. I suspect this strong aversion is linked to an old trauma involving heat or fire that I have suppressed. Should I substitute light visualizations with a calming element like water or earth? My full details are 2nd March 1993, born in Pune. Time: 8:50 PM. Name: Rahul.