Communal Lighting Problems

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Lights Not Coming On

· Bulb(s) blown – don’t forget the obvious.

· Light sensor dirty.

· Clean sensor.

· Light sensor covered (blocked).

· Remove blockage.

· Time mechanism stuck on\off.

· Pressure sensor broken.

· Push button switch stuck.

· Communal lights often have a switch outside each flat and at the entrance. The switch is often a large round push button switch.

· Is the push button switch stuck?

· RCD tripped.

· RCD links.

· Fuse blown – check fuse board.

Lights Not Going Off

· Light sensor broke.

· Remove light sensor head – lights usually go off.

· Replace sensor.

· Time mechanism stuck on\off.

· Pressure sensor broken.

· Time lag switch stuck.

· Communal lights usually stay on (’hold on’), say for 30 seconds, when activated.

· Is the ‘hold on’ switch stuck?

· Push button switch stuck.

· Communal lights often have a switch outside each flat and at the entrance. The switch is often a push button switch.

· Is the push button switch stuck?

Lights Turning On\Off At Wrong Time

· Timer broken.

· Timer clock set to AM\PM when it should be PM\AM.

· Sensitivity control not set correctly.

· Most sensors have a ‘sensitivity’ control that changes how dark\light it has to be to operate.

· Is the light sensor set correctly?

· Light sensor dirty.

· Dirty sensor affects the amount of light shining on the photo-electric cell inside the sensor.

· Clean the sensor head.

· Light sensor in a shadow.

· The shadow will affect the amount of light shining on the photo-electric cell inside the sensor.

· Move the sensor head or adjust the setting for more sensitivity.

Links

Communal Lighting

Small Business Lighting ‘Home Page’

Landlords ‘Home Page’

Electrical Test And Inspection

Go Green – Save Money

Small Business Guideline Prices

RCD Keeps Resetting

Small Business Electrical Advice

This webpage provides advice on communal lighting problems, for instance in blocks of flats.

More often than not the type of control, for instance motion sensor or light sensor, defines the problem. This webpage ignores the type of control and gives a number of solutions for each problem