| Value | Category |
|---|---|
| 1 | UNCLEAR RESPONSIBILITIES FOR OPERATION AND/OR MAINTENANCE |
| 2 | POOR OPERATION AND/OR MAINTENANCE PRACTICES |
| 3 | LACK OF SPARE PARTS |
| 4 | LACK OF OPERATION CONSUMABLES (FUEL, ELECTRICITY, ETC.) |
| 5 | POOR INITIAL DESIGN OF THE SYSTEM |
| 6 | AGE OF THE SYSTEM |
| 7 | OTHER (SPECIFY) |
| 8 | DON’T KNOW |
| Sysmiss |