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
malfunctioning, or detection zone too small or
incorrectly defined.
• Check and adjust detection zone.
Unit does not switch OFF.
– Continued movement within the detection zone.
• Check detection zone.
• If necessary, limit or change detection zone.
Unit switches ON when it should not.
– Floodlight not mounted for detecting movement reliably.
• Securely mount floodlight.
– Movement occurred but not identified by the observer
(small object moving in immediate proximity of lamp
etc.).
• Check detection zone.
• If necessary, limit or change detection zone.
– 29 –
GB
Index