| Name/Ratio | Result of Diagnosis | Digital Symbol | Result of Diagnosis | Digital Symbol |
| H2 | Danger | 1 | Abnormal, Attention, Normal | 0 |
| CH4 | Danger | 1 | Abnormal, Attention, Normal | 0 |
| C2H6 | Danger | 1 | Abnormal, Attention, Normal | 0 |
| C2H4 | Danger | 1 | Abnormal, Attention, Normal | 0 |
| C2H2 | Danger | 1 | Abnormal, Attention, Normal | 0 |
| C2H2/C2H4 CH4/H2 C2H4/C2H6 | Partial Discharges | 1 | ||
| Discharge of Low Energy | 1 | |||
| Discharge of High Energy | 1 | |||
| Thermal Fault t < 300˚C | 1 | |||
| Thermal Fault 300˚C < t < 700˚C | 1 | |||
| Thermal Fault t > 700˚C | 1 | |||