Problem & answerM-02
Metal Detector False Rejects
Likely causes
- Product effect not learned for this product
- Sensitivity set too high
- Vibration or electrical interference
- Metal in the conveyor area near the aperture
How to fix it
- 1Check the correct product program is selected.
- 2Re-learn the product effect (authorised staff).
- 3Remove metal objects near the aperture and check for vibration.
- 4Re-run the challenge test.
- 5Rescreen rejected units; investigate any that reject again.
It is fixed when
Good product passes; test pieces still rejected.
Stop it coming back
- Keep a metal-free zone around the aperture.
Did this solve the problem?