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12. Troubleshooting
Unit without power.
– Fuse not switched ON or faulty.
• Switch ON fuse.
• Change faulty fuse.
– Break in wiring.
• Check wiring with voltage tester.
– Short circuit in mains power supply lead.
– Check connections.
– Any mains switch OFF
• Switch ON mains switch.
Unit does not switch ON.
– Wrong twilight setting selected.
• Reset twilight setting.
– Mains switch OFF.
• Turn on mains switch.
– Fuse not switched ON or faulty.
• Switch ON fuse.
• Change faulty fuse.
– Rapid movements being suppressed to minimise mal-
functioning or detection zone too small or incorrectly
defined.
• Check and adjust detection zone.
– Light source faulty.
• The light source cannot be changed. Completely
replace unit.
Unit does not switch OFF.
– Continued movement within the detection zone.
• Check detection zone.
• If necessary, limit or change detection zone.
– 60 –
GB
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