moving head problem

Good afternoon, I bought a new lamp for my moving head to think that it was from the lamp that did not light.With this lamp lights but the light that gives is weak.Can it be of ignitor or ballast ?

Ignitor link https://imgur.com/a/3QmXcTZ

ballast link https://imgur.com/a/zAjw20j

Does anyone know how to test these components with the multimeter?