Bulbs are the most common problem with a bad fluorescent fixture. Look at the end of the bulb for a dark area; if you see one, the bulb is either bad or going bad. Replace it with a fresh one. If it is a two-bulb or four-bulb fixture, replace the pairing of tubes.
How do you know when a fluorescent light fixture is bad?
5 symptoms of a bad fluorescent ballast
- Flickering. …
- Buzzing. …
- Delayed start. …
- Low output. …
- Inconsistent lighting levels. …
- Switch to an electronic ballast, keep lamp. …
- Switch to an electronic ballast, switch to a T8 fluorescent. …
- Switch to an electronic ballast, switch to T8 linear LED.
Why is my fluorescent light fixture not working?
A dead fluorescent can be caused by lack of electrical power (tripped breaker or blown fuse), a dead or dying ballast, a dead starter or a dead bulb(s). Check for power first… then the starter (if applicable) and then the bulbs. When all else fails, the ballast should be replaced.
What are the common problems of fluorescent lamp?
Common Faults and Treatment Methods of Fluorescent Lamp
| Type of Fault | Reasons of Fault |
|---|---|
| Fluorescent lamp blinking ON and OFF | Loose contacts. Wrong circuit connections. Low supply voltage Defective starter. Defective fluorescent tube. |
What are the procedures in troubleshooting a fluorescent fixture?
Troubleshooting a Fluorescent Light
- Fixture does not light. Check for power and test to see if the bulb is seated properly in the sockets. …
- Tube flickers: First, check to make sure the tube is securely seated in the sockets. …
- Fixture hums or buzzes: Replace the ballast (see “How to Replace a Fluorescent Ballast,” above).
How do you test a fluorescent light ballast?
Quote from the video:
Quote from Youtube video: Your other test lead to the wires. And see if your meter still reads open line it should read open line open line if you have an analog meter it should not move.
What happens when a ballast goes bad?
The ballast itself can go bad, which causes lights to flicker or even appear to be burnt out, when in fact they aren’t. They require maintenance and energy to power, on top of the power used to light the fluorescent bulb. They are a large part of the equation when using fluorescent lamps.
How do you check a ballast?
To measure it, set your digital multimeter to around a thousand ohms resistance setting. Connect the black leads to the white ground wire on your ballast. Afterward, test every other wire with the red lead. When you do this test, a good ballast will return an “open-loop” or max resistance.
