The ECU835 is a generator-set controller. It is used on generator sets from MQ Power and WhisperWatt, including the DCA150SSJU4F, DCA300SSJU4F and DCA70SSIU4F.
Used across brands: MQ Power, WhisperWatt
| Symptom | Cause | Remedy |
|---|---|---|
| Electrical damage to the generator will occur | If the battery cable is connected incorrectly | |
| Gravity should fall to 1.245 or lower | The battery is dead and needs to be recharged or replaced | Disconnect the battery cables before charging with an external electric source |
| Poor starting of the generator, and create other malfunctions | Inadequate battery connections |
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.