Reasons for Blinking of Fluorescent Tube

Blinking or flickering of a fluorescent tube can be caused by various factors, including low circuit voltage, loose contact, and a defective starter. Let's discuss each of these possible causes in detail.

1. Low Circuit Voltage:
- One of the common reasons for the blinking of a fluorescent tube is a low circuit voltage.
- Fluorescent tubes require a specific voltage range to operate properly. If the circuit voltage drops below the required level, the tube may start to flicker or blink.
- Low circuit voltage can be caused by various factors such as voltage fluctuations, inadequate power supply, or a faulty electrical wiring system.
- When the voltage is too low, the electrical discharge inside the tube may become unstable, resulting in the blinking effect.

2. Loose Contact:
- Another possible reason for the blinking of a fluorescent tube is a loose contact or poor connection.
- Loose connections in the wiring or at the terminals can cause intermittent interruptions in the flow of current to the tube.
- These intermittent interruptions can lead to the blinking or flickering of the tube.
- Loose contacts can occur due to improper installation, aging of the electrical components, or vibrations that loosen the connections over time.

3. Defective Starter:
- The starter is a small electronic device used to initiate the electrical discharge in a fluorescent tube.
- If the starter becomes defective or fails to function properly, it can result in the blinking of the tube.
- A faulty starter may fail to provide the necessary voltage boost to initiate the discharge, causing the tube to flicker instead of lighting up continuously.
- Defective starters can be identified by visually inspecting them for any signs of damage or burning, or by replacing them with a known working starter to see if the blinking issue is resolved.

Conclusion:
In summary, the blinking of a fluorescent tube can be attributed to various factors including low circuit voltage, loose contact, and a defective starter. It is important to investigate each of these possible causes to identify and rectify the issue accordingly.