What would cause downlights to stop working?

Downlights are a popular lighting solution for many households and businesses. However, they can sometimes stop working unexpectedly. Here are some common causes of downlights not working:

1. Bulb issues: The most obvious cause of downlights not working is due to burnt-out bulbs. Check if the bulbs are loose, improperly seated or have a faulty wiring. Replacing the bulb should fix the issue.

2. Faulty transformers: Each downlight generally has a transformer, which converts the electricity from the mains supply to a lower voltage required by the LED bulb. If a transformer is faulty, it can cause the downlight to stop working. Replacing the transformer can resolve the issue.

3. Power supply issues: If multiple downlights have stopped working, it could be due to an issue with the power supply. Check whether other appliances or electrical items in the area are also not functioning. If so, contact an electrician as there may be an issue with the main power supply.

4. Wiring problems: Downlights may also stop working due to issues with the wiring. Check to see if any wires look frayed or damaged, or whether they have come loose from their connections. If you are unsure of how to check or fix wiring issues, it is best to consult a professional electrician.

5. Overheating: Downlights can sometimes overheat, especially if they have been left on for a prolonged period of time. If the downlights are equipped with overheating protections, they will automatically switch off, but if not, they may stop working. Try turning off the lights for a while and letting them cool down, before turning them back on.

In conclusion, if your downlights have stopped working, check first if the bulbs are the issue. If not, examine the transformers and wiring to see if they need replacement or repair. If these do not resolve the issue, consult a professional electrician to help diagnose and fix the problem.