The Electronics DSE7310 MKII is a generator-set controller. It is used on generator sets from Generac, including the MDG150, MDG250, MDG25IF4 and MMG55DF4.
| 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. | |
| Ambient air temperature is above 113 °F (45 °C) | Shut the engine down | |
| Emergency Stop indicator LED is illuminated. | Resolve by deactivating (pulling out) Emergency Stop switch. | |
| Emergency Stop indicator LED. | Resolve by deactivating (pulling out) Emergency Stop switch. | |
| Engine misfires or there is excessive engine/gen-erator vibration | Shut the engine down | |
| Equipment connected to the unit overheats | Shut the engine down | |
| Loss of electrical output | Shut the engine down | |
| 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. | |
| Low Load indicator LED. • Indicates 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. | |
| 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. | |
| Lug Door Open indicator LED. | Resolve by closing lug-box door. If condition remains unresolved, inspect lug-box door safety switch for proper operation. | |
| Noticeable change in engine speed | Shut the engine down | |
| Protective covers are loose or missing | Shut the engine down | |
| Shutdown indicator LED is illuminated. | Resolve by resolving shutdown condition. | |
| Shutdown indicator LED. | Resolve by resolving shutdown condition. | |
| Sparking occurs | Shut the engine down |
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.