ETC Source Four ERS / PAR / Fresnel (tungsten) troubleshooting

Common Source Four ERS / PAR / Fresnel (tungsten) errors & problems

What techs run into most, and what's usually behind it. The step-by-step fix for your exact unit is in Ask Roadie.

• Can't get a Source Four shutter cut at the angle needed

  Likely cause: Rotating the barrel turns the whole shutter assembly.

  Step-by-step fixGet the fix →

• Cleaning a dirty Source Four lens or reflector

  Likely cause: Dirty optics cut output and cause hot spots; the wrong cleaner damages coatings.

  Step-by-step fixGet the fix →

• Gel burning out fast in a Source Four

  Likely cause: Heat concentrates at the gel frame differently depending on where the lens tube sits.

  Step-by-step fixGet the fix →

• Source Four beam has a hot spot or a dark hole in the middle

  Likely cause: The outer knob centers the filament in the reflector; the inner knob moves it along the axis to set peak vs flat field.

  Step-by-step fixGet the fix →

• Source Four gobo/pattern looks wrong, or where does the iris go?

  Likely cause: Correct holder size and slot position keep the pattern at the focal plane.

  Step-by-step fixGet the fix →

• Source Four lamps failing early or socket problems

  Likely cause: A half-seated lamp arcs and overheats the socket; skin oils and over-voltage shorten lamp life.

  Step-by-step fixGet the fix →

• Source Four won't come into sharp focus / wrong lens in the tube

  Likely cause: Each field angle uses a specific lens set and position in the tube.

  Step-by-step fixGet the fix →

Not on the list? Describe it your way, or paste the error code off the display. Ask Roadie works the problem with you until it's fixed or you have a clear next move.

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