Summary table of cause validation plan and result
| No. | Category | Causes | Type of analysis | Observation | Conclusion |
|---|---|---|---|---|---|
| 1 | Man | Contact support | Measurable | Demanding customers | Root cause |
| 2 | Lack of technical knowledge | GEMBA | Insufficient training | Not a root cause | |
| 3 | Inadequate time for rest | Measurable | Lack of staff | Not a root cause | |
| 4 | Material | Similar descriptions | GEMBA | Different suppliers | Not a root cause |
| 5 | Wood shredding | Measurable | Time-consuming process and large orders | Not a root cause | |
| 6 | Wrong size selection | GEMBA | Order mistakes | Not a root cause | |
| 7 | Method | Orders that require visiting both warehouses | Measurable | Insufficient communication between sectors | Not a root cause |
| 8 | Unclear definition of work obligations | GEMBA | Unnecessary tensions | Root cause | |
| 9 | Stocks problems | Measurable | Sales mistakes | Root cause | |
| 10 | Environment | Product arrangement | GEMBA | Accessibility problems | Root cause |
| 11 | Unnecessary staff movement | GEMBA | Unclear responsibilities | Not a root cause | |
| 12 | Equipment | Old equipment | GEMBA | Difficulties in buying new | Not a root cause |
| 13 | Power outages | GEMBA | System overload | Not a root cause |
| No. | Category | Causes | Type of analysis | Observation | Conclusion |
|---|---|---|---|---|---|
| 1 | Man | Contact support | Measurable | Demanding customers | Root cause |
| 2 | Lack of technical knowledge | GEMBA | Insufficient training | Not a root cause | |
| 3 | Inadequate time for rest | Measurable | Lack of staff | Not a root cause | |
| 4 | Material | Similar descriptions | GEMBA | Different suppliers | Not a root cause |
| 5 | Wood shredding | Measurable | Time-consuming process and large orders | Not a root cause | |
| 6 | Wrong size selection | GEMBA | Order mistakes | Not a root cause | |
| 7 | Method | Orders that require visiting both warehouses | Measurable | Insufficient communication between sectors | Not a root cause |
| 8 | Unclear definition of work obligations | GEMBA | Unnecessary tensions | Root cause | |
| 9 | Stocks problems | Measurable | Sales mistakes | Root cause | |
| 10 | Environment | Product arrangement | GEMBA | Accessibility problems | Root cause |
| 11 | Unnecessary staff movement | GEMBA | Unclear responsibilities | Not a root cause | |
| 12 | Equipment | Old equipment | GEMBA | Difficulties in buying new | Not a root cause |
| 13 | Power outages | GEMBA | System overload | Not a root cause |
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