The Electronics 7310 MKII is a generator-set controller. It is used on generator sets from Generac, including the MDG175 and MDG75DF4.
| Code | Meaning |
|---|---|
| FXXX | Indicates a fault state. The DVR stops providing excitation. |
| Symptom | Cause | Remedy |
|---|---|---|
| AXXX indicates an alarm state. The DVR continues to provide excitation, if excitation is enabled. | [blank] Indicates normal operation in SLEEP mode. STBY Indicates normal operation in stand-by mode, waiting for the STRT state. STRT Indicates DVR is in a soft start state. RUN.V Indicates normal operation, with excitation in AVR mode. RUN.I Indicates normal operation, with excitation in FCR mode. RUN.P Indicates normal operation, with excitation in VAR or PF mode. FLSH Indicates DVR is in field flashing mode. IDLE Indicates normal operation in idle state, waiting for the speed to take off. | |
| Emergency Stop indicator LED illuminates when Emergency Stop switch is active (pushed in). | Resolve by deactivating (pulling out) Emergency Stop switch. | |
| Emergency Stop indicator LED is illuminated. | Resolve by deactivating (pulling out) Emergency Stop switch. | |
| Low Load indicator LED illuminates when genset has operated at less than 30% capacity for more than 15 minutes. | Resolve by increasing electrical load. If unable to operate genset at more than 30% load, use a smaller generator. | |
| Low Load indicator LED is illuminated. | Resolve by increasing electrical load. If unable to operate genset at more than 30% load, use a smaller generator. | |
| Lug Door Open indicator LED illuminates when lug-box door is open. | Resolve by closing lug-box door. If condition remains unresolved, inspect lug-box door safety switch for proper operation. | |
| Lug Door Open indicator LED is illuminated. | Resolve by closing lug-box door. If condition remains unresolved, inspect lug-box door safety switch for proper operation. | |
| Shutdown indicator LED illuminates when a shutdown alarm is present. | Resolve by resolving shutdown condition. | |
| Shutdown indicator LED is illuminated. | Resolve by resolving shutdown condition. |
Fault codes and symptom→remedy steps extracted from this controller’s service/owner documentation; verify against the official manual before servicing. Aggregated from the service documentation of generator sets built on this controller.