Problem & answerF-10
Good Bottles Being Blown Back
Also covers: False rejects at the unscrambler
Likely causes
- Sensor position or sensitivity wrong for the bottle
- Blow delay too long or too short (blast hits the next bottle)
- Bottles touching or too close together
- Reflections from shiny surfaces
How to fix it
- 1Re-aim the sensor and adjust sensitivity for the bottle.
- 2Adjust blow delay so the blast hits only the detected bottle.
- 3Check bottles leave the pocket wheel one at a time.
- 4Re-test with correct and wrong-way bottles.
Photos
It is fixed when
Correct bottles pass; wrong-way bottles still rejected.
Stop it coming back
- Record sensor settings for each bottle size.
Did this solve the problem?