Main information
What it could mean
A switch that's stopped responding could be a fault in the internal mechanism, a loose connection, or a problem in the lighting circuit it controls.
Safety first
Check if the lighting breaker has tripped before assuming the switch is faulty.
Next step
If the circuit's fine and the switch still doesn't respond, the fault's in the fitting itself or its connection.
Frequently asked questions
Could it be the bulb rather than the switch?
One of the first things to rule out; try another bulb in the same light point.
Is a switch easy to replace?
The fitting itself is simple to change, though it's worth confirming the exact cause first.
Could it affect other light points in the same room?
Depends on whether they share a circuit; some switches control several points at once.
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