Strong Enterprises FOLLOW SPOTLIGHT 48057 - Manual (Page 23)

Color gels burning or fading prematurely.
1. Bulb focused to “hot spot.” Refocus bulb to flat field with iris fully open and spot size control handle
(“trombone”) fully forward.
2. Heat filter glass reversed or peeled. Check for coated surface toward bulb; replace if coating peeled.
3. Reflector coating peeled. Replace if defective.