| Fault Code | LRU |
| 011 | Center Tank Probe 1 |
| 012 | Center Tank Probe 2 |
| 013 | Center Tank Probe 3 |
| 030 | Center Tank high level Sensor |
| 111 | Left Tank Probe 1 |
| 112 | Left Tank Probe 2 |
| 113 | Left Tank Probe 3 |
| 114 | Left Tank Probe 4 |
| 115 | Left Tank Probe 5 |
| 116 | Left Tank Probe 6 |
| 117 | Left Tank Probe 7 |
| 120 | Left Tank Compensator Probe |
| 140 | Left Tank high level Sensor |
| 211 | Right Tank Probe 1 |
| 212 | Right Tank Probe 2 |
| 213 | Right Tank Probe 3 |
| 214 | Right Tank Probe 4 |
| 215 | Right Tank Probe 5 |
| 216 | Right Tank Probe 6 |
| 217 | Right Tank Probe 7 |
| 220 | Right Tank Compensator Probe |
| 240 | Right Tank high level Sensor |
| 311 | Left Power Transfer |
| 312 | Right Power Transfer |
| 321 | Left Cross flow Pump |
| 322 | Right Cross flow Pump |
| 323 | Runaway Relay failed closed |
| 700 | FQGC unspecified |
| 701 | FQGC channel 1 |
| 702 | FQGC channel 2 |
| 703 | FQGC Power supply Unit >> Suspect one Fuel PNL u/s |
| 710 | Degraded accuracy (calibration not done) |
| 730 | Left Probes excitation |
| 731 | Right Probes excitation |
| 732 | Center Probe excitation |
| 740 | A/C configuration |
| 930 | Cockpit Refuel/ Defuel control PNL |
| 950 | Fuselage Refuel/ Defuel control PNL |