Downtime:
- Equipment breakdown.
- Setups and changeovers.
- Lack of material or manpower.
Inefficiencies:
- Inadequate tools or parts for a repair.
- Equipment design flaw.
- Substandard material input.
- Equipment deterioration (excessive wear, aging).
- Poorly trained labor pool.
- Blockages.
- Pollution.
- Safety problems.
- Sporadic usage.
Product defects:
- Poor quality output.
- Decreased yield.
- Excessive scrap.
- Returns, rework and re-feed.