The Emcp Ii is a generator-set controller. It is used on generator sets from Caterpillar, including the 3412C Generator Set, DM2273, G3306 NA and G3406 NA GAS ENGINE.
Also fitted to: Caterpillar G3516C Gas Generator Set (Island Mode), Caterpillar G3520E SCAC 4-stroke-cycle, watercooled gas engine.
| Code | Meaning | Remedy |
|---|---|---|
| 21 | Fault shutdown | |
| 22 | Fault alarm | |
| i01226491 | Engine overspeed | Stop the engine by shutting off the fuel supply to the engine and/or shutting off the air supply to the engine. |
| Symptom | Cause | Remedy |
|---|---|---|
| Dedicated shutdown faults: emergency stop | Operator presses Emergency Stop Push Button (ESPB) on front panel | Correct the condition and engine is not allowed to start until the condition is corrected |
| Dedicated shutdown faults: engine overspeed | Engine speed exceeds setpoint programmed into GSC+ | Correct the fault and engine is not allowed to start until the fault is corrected |
| Dedicated shutdown faults: high water temperature | Engine coolant temperature rises above setpoint programmed into GSC+ | Correct the fault and engine is not allowed to start until the fault is corrected |
| Dedicated shutdown faults: low oil pressure | Engine oil pressure drops below setpoints programmed into GSC+ | Correct the fault and engine is not allowed to start until the fault is corrected |
| Red fault shutdown indicator (25) flashes | Refer to the Systems Operation, Testing and Adjusting, RENR2484, “Electronic Modular Control Panel II + (EMCP II+)” for descriptions of the fault codes | |
| Yellow fault alarm indicator (26) flashes | Refer to the Systems Operation, Testing and Adjusting, RENR2484, “Electronic Modular Control Panel II + (EMCP II+)” for descriptions of the fault codes |
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.