Motion detector LED flashes continuously
Potential causes
– Warm-up mode requires a certain amount of time with no motion in the area to settle the
PIR and microwave circuit
– Defective unit
Motion detector LED flashes four times in a row repeatedly
Potential causes
– The motion detector failed during the routine self test
Motion detector LED flashes five times in a row repeatedly
Potential causes
– The supply voltage is too low
8.7
8.8
8.9
26 en | Troubleshooting
Commercial Series TriTech Motion
Detector
2015.06 | 02 | F.01U.314.294 Reference Guide Bosch Security Systems, Inc