Bosch TriTech - 8.6 Detector does not appear to detect motion in the farther section of the coverage area; 8.7 Detector LED flashes continuously; 8.8 Detector LED flashes two times in a row repeatedly; 8.9 Detector LED flashes three times in a row repeatedly

Commercial Series TriTech and TriTech AM
detectors
Troubleshooting | en 39
Bosch Security Systems B.V.
Installation manual
2022.01 | 01 | F.01U.401.708
8.6 Detector does not appear to detect motion in the farther
section of the coverage area
Potential causes
– Microwave range is too short
– C
2
DT sensitivity too low
8.7 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
8.8 Detector LED flashes two times in a row repeatedly
Potential causes
– Tamper Detection System Failure
8.9 Detector LED flashes three times in a row repeatedly
Potential causes
– Masking attempt is detected
– The installer or an object is too close to the detector during the power-up period
8.10 Detector LED flashes four times in a row repeatedly
Potential causes
– The detector failed during the routine self test
8.11 Detector LED flashes five times in a row repeatedly
Potential causes
– The supply voltage is too low
8.12 Detector LED continually flashing rapidly
Potential causes
– Unit mounted upside down