Repairing and Troubleshooting

We repaired a tube light.
Tube light Parts:-
1. Ballast
2. Starter
3. Holder
4. Tube

Priming:- No vacuum in motor impaler.

Basic Diagnosis when an emergency comes:-

Basic Info : What, When, How, Where.
       |
Fault Finding : What must have happened.
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Cause : Physically checking the probabilities.
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5 Why's : Ask "Why?" for 5 times until you get your answer.
       |
Solutions : Find out the solution.
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Action Plan : Before turning off the electricity make out your plan about how are you going to work.
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Execute : Do your work according to your Action plan.