Guide1.4
Troubleshooting principles
- Safety first. Stop the machine and isolate it (lockout/tagout) before reaching into any station, clearing a jam or making an adjustment.
- Read the pattern. A consistent fault on every capsule usually points to a machine setting. Random faults usually point to capsule or material variation.
- Check utilities and the room early. Vacuum, compressed air, temperature and humidity cause a large share of separation, closing and weight faults.
- One change at a time. Make one adjustment, then test. Multiple simultaneous changes hide the real cause.
- Stay within validated limits. Never adjust a process parameter outside its validated range without QA approval.
- Control the product. Quarantine any product that may be affected and do not resume full production until a sample run passes.
- Record everything. Record faults, causes and corrections in the batch record and equipment logbook.
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