STEINEL professional Serie Manual Del Usuario página 62

11. Troubleshooting
Light does not switch ON.
– No supply voltage.
• Check supply voltage.
– Lux setting too low.
• Slowly increase lux setting until light switches ON.
– No movement detection.
• Ensure unobstructed sensor vision.
• Check detection zone.
Lights do not switch OFF.
– Lux setting too high.
• Reduce lux setting.
– Stay-ON time elapsing.
• Wait until stay-ON time elapses; reduce stay-ON
time if necessary.
– Interfering heat sources, e.g. fan heater, open doors
and windows, pets, light bulb / halogen floodlight,
moving objects.
• Check detection zone.
Sensor switches OFF despite persons being present.
– Stay-ON time too short.
• Increase stay-ON time.
– Light-level threshold too low.
• Change twilight setting.
Sensor does not switch OFF quickly enough.
– Stay-ON time too long.
• Reduce stay-ON time.
Sensor does not switch ON quickly enough when
approached from the front.
– Reach is reduced when approached from the front.
• Install additional sensors.
• Adjust reach.
• Reduce distance between two sensors.
– 62 –
Contents