TROUBLESHOOTING DEFECTIVE FLUORESCENT LAMP FIXTURES

Who invented the fluorescent lamp?

• Agapito Flores

• Peter Cooper Hewitt

• Christopher Jay Flores

• Thomas Alba Edison

It is a glow switch that opens and closes the circuit to produce a high voltage or inductive

kick across the bulb at the filament during the starting period.

• ballast

• transformer

• starter

• tungsten filament

It is a tubular or linear bulb containing mercury vapor and inert gas with phosphor coating

inside.

• compact fluorescent lamp

• fluorescent lamp

• fluorescent tube

• open type fluorescent lamp

It refers to an electrical device that holds the fluorescent tube.

• adapter

• ballast

• fluorescent lamp holder

• plug

This device regulates the current to the lamps and provides sufficient voltage to start the lamps.

• adapter

• ballast

• fluorescent lamp holder

• plug

Leak in lamp tube

• Inspect visually the lamp tube for possible cracked

  or damaged. If there is, replace with new one.

• Check the power source.

• Adjust the lamp and set it properly.

• Check the wiring connection to see whether it

  follows the diagram on the ballast.

• Check the ballast. Replace the ballast.

No electrical power to

lamp fixture.

• Inspect visually the lamp tube for possible cracked

  or damaged. If there is, replace with new one.

• Check the power source.

• Adjust the lamp and set it properly.

• Check the wiring connection to see whether it

  follows the diagram on the ballast.

• Check the ballast. Replace the ballast.

Improper wiring

• Inspect visually the lamp tube for possible cracked

  or damaged. If there is, replace with new one.

• Check the power source.

• Adjust the lamp and set it properly.

• Check the wiring connection to see whether it

  follows the diagram on the ballast.

• Check the ballast. Replace the ballast.

Loose contact between the lamp and lamp holder.

• Inspect visually the lamp tube for possible cracked

  or damaged. If there is, replace with new one.

• Check the power source.

• Adjust the lamp and set it properly.

• Check the wiring connection to see whether it

  follows the diagram on the ballast.

• Check the ballast. Replace the ballast.

Defective ballast

• Inspect visually the lamp tube for possible cracked

  or damaged. If there is, replace with new one.

• Check the power source.

• Adjust the lamp and set it properly.

• Check the wiring connection to see whether it

  follows the diagram on the ballast.

• Check the ballast. Replace the ballast.