Tube Light (Fluorescent Lamp) Troubleshooting Tips

How to troubleshoot the Tube Light?

Even though we are moving very fast towards LED lights, still in our house we are using fluorescent lamps.
We might have face some issues with the fluorescent lamps like new lamps are blinking, Blackening of the tube ends etc.

In this post, we have shared some of the tube light (Fluorescent Lamp) troubleshooting Tips. Please keep in mind the following safety precautions before starting to troubleshoot…

General Caution:

Follow general safety precautions while troubleshooting the Fluorescent Lamp commercially known as tube light. If you are not confident to do, we strongly advice to do with the help of locally available technicians. Please … Please never troubleshoot any electrical equipments when you are alone in the home or in the locked room.

All the best… 

Nature of Fault Possible Causes Remedies
Blinking of new lamp 1. Defective starter
2. Loose contact
3. Low voltage
4. Defective lamp
5. Wrong connection
1. Change ballest
2. Check the connection and tighten
3. Replace starter
4. Replace the lamp
5. Check all connections
Ends of tube remain  lighted 1. Short-circuited starter 1. Replace starter
Failure of lamp to light up 1. Defective tube
2. Defective starter
3. Defective choke
4. Defective and loose holders
1. Replace tube
2. Replace starter
3. Replace choke
4. Turn tube through 90degree.
Try another starter and check connections
Burn out electrodes Control unit in circuit (or)
choke short-circuited
Test with a new choke
Blackening of end 1. Low or high voltage
2. Mercury deposits at the ends
1. Adjust ballest tapping
It will evaporates as the lamp operates.
Dark streaks along lamp Mercury globules Rotate tube through 180 degree

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