BETONPARTSDiagnosis sheet · https://betonparts.com/en/faults/pneumatics/wrong-signal/
Pneumatic systems · Valves and cylinders
Gate closed but controller says open
- Symptom
- Gate closed but controller says open
- Likely cause
- Position sensor moved along the cylinder, or failed.
- Check
- Sensor LED at each end of stroke; fixing screws.
- Fix
- Reset or replace the sensor; tighten its screws.
Manual · Book 7 · § 9.3 · 6.3
Parts you may need
⚠ Every look inside, turn by hand or open step means full lockout first. Never enter a silo or a bin with material in it.
Plant / site
Machine and serial no.
Date
Checked by
Findings and actions
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