The S-TSC is a generator-set controller. It is used on generator sets from Northern Lights, including the NL844T4E and S-TSC.
| Symptom | Remedy |
|---|---|
| Engine cranks, controller shows 'Locked Rotor' failure and stops cranking. | 1. Confirm that AVR circuit breakers are ON 2. Field may need to be flashed. |
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.