Learning Task 2.12 Carin the blanks to match or to complete the TROUBLESHOOTING DEFECTIVE FLUORESCENT LAMP FIXTURES. Use a separate paper for your answer. Corrective Action Problem Possible Cause Leak in the Lamp Tube 1. 2. Improper wiring als Check the power source that all power controls such breaker and switch annes at 3. Check the balls determine by che Beturen the last the pointer of the the bas.