The Sync 3 is a generator-set controller. It is used on generator sets from Generac, including the G0072100.
| Code | Meaning | Cause | Remedy |
|---|---|---|---|
| 001810 | Auxiliary Shutdown | ||
| 009209 | Puesta en marcha automática | ||
| AUXILIARY SHUTDOWN | Unit will not start — LED RED | Check auxiliary shutdown switches | Set auxiliary shutdown switch(es) to CLOSED (I). Clear alarm. |
| BATTERY PROBLEM | Yellow LED illuminated in any state | Contact an IASD | |
| BATTERY PROBLEM | Yellow LED illuminated in any state — LED YELLOW | Check screen for additional information. | Contact an IASD. |
| BATTERY PROBLEM | Yellow LED illuminated in any state — LED: YELLOW | Contact an IASD | |
| CHARGER MISSING AC | Yellow LED illuminated in any state | Contact an IASD | |
| CHARGER WARNING | Yellow LED illuminated in any state | Contact an IASD | |
| CHARGER WARNING | Yellow LED illuminated in any state — LED YELLOW | Check screen for additional information. | |
| CHARGER WARNING | Yellow LED illuminated — LED: YELLOW | ||
| HIGH TEMPERATURE | Unit shuts down during operation — LED RED | Check LEDs / screen for alarms. | Inspect ventilation around generator, intake, exhaust, and rear of generator. If no obstructions are present, contact an IASD. |
| HIGH TEMPERATURE | Unit shuts down during operation — LED red | Inspect ventilation around generator, intake, exhaust, and rear of generator. If no obstructions are present, contact an IASD | |
| HIGH TEMPERATURE | Unit shuts down during operation — LED: RED | Inspect ventilation around generator, intake, exhaust, and rear of generator. If no obstructions are present, contact an IASD | |
| INSPECT BATTERY | Yellow LED illuminated in any state | Inspect battery. Press ENTER to clear | |
| LOW BATTERY | Yellow LED illuminated in any state | Clear alarm. Using control panel, check battery by navigating to BATTERY MENU option from MAIN MENU. If battery condition displays GOOD, contact an IASD. If control panel displays CHECK BATTERY, replace battery | |
| LOW BATTERY | Yellow LED illuminated in any state — LED YELLOW | Check screen for additional information. | Clear alarm. Using control panel, check battery by navigating to BATTERY MENU option from MAIN MENU. If battery condition displays GOOD, contact an IASD. If control panel displays CHECK BATTERY, replace battery. |
| LOW BATTERY | Yellow LED illuminated in any state — LED: YELLOW | Clear alarm. Using control panel, check battery by navigating to BATTERY MENU option from MAIN MENU. If battery condition displays GOOD, contact an IASD. If control panel displays CHECK BATTERY, replace battery | |
| LOW OIL PRESSURE | Unit will not start in AUTO with utility loss — LED RED | Check LEDs / screen for alarms. | Check oil level and add oil as needed. If oil level is correct, contact an IASD. |
| LOW OIL PRESSURE | Unit will not start in AUTO with utility loss — LED red | Check oil level and add oil as needed. If oil level is correct, contact an IASD | |
| LOW OIL PRESSURE | Unit will not start in AUTO with utility loss — LED: RED | Check oil level and add oil as needed. If oil level is correct, contact an IASD | |
| LOW VOLTS REMOVE LOAD | Unit will not start in AUTO with utility loss — LED RED | Check LEDs / screen for alarms. | Clear alarm and remove household loads from generator. Put in AUTO and restart. |
| LOW VOLTS REMOVE LOAD | Unit will not start in AUTO with utility loss — LED red | Clear alarm and remove household loads from generator. Put in AUTO and restart | |
| LOW VOLTS REMOVE LOAD | Unit will not start in AUTO with utility loss — LED: RED | Clear alarm and remove household loads from generator. Put into AUTO and restart | |
| NOT ACTIVATED | Unit will not start in AUTO with utility loss — LED NONE | Check if screen says unit not activated. | See Activation section in installation manual. |
| NOT ACTIVATED | Unit will not start in AUTO with utility loss — LED none | See Activation section in installation manual | |
| NOT ACTIVATED | Unit will not start in AUTO with utility loss — LED: NONE | See Activation | |
| OVERCRANK | Unit will not start in AUTO with utility loss — LED RED | Check LEDs / screen for alarms. | Verify fuel line shutoff valve is ON. Clear alarm. Start unit in MANUAL. If it does not start, or starts and runs rough, contact an IASD. |
| OVERCRANK | Unit will not start in AUTO with utility loss — LED red | Verify fuel line shutoff valve is ON. Clear alarm. Start unit in MANUAL. If it does not start, or starts and runs rough, contact an IASD | |
| OVERCRANK | Unit will not start in AUTO with utility loss — LED: RED | Verify fuel line shutoff valve is ON. Clear alarm. Start unit in MANUAL. If it does not start, or starts and runs rough, contact an IASD | |
| OVERLOAD REMOVE LOAD | Unit shuts down during operation — LED RED | Check LEDs / screen for alarms. | Clear alarm and remove household loads from generator. Put in AUTO and restart. |
| OVERLOAD REMOVE LOAD | Unit shuts down during operation — LED red | Clear alarm and remove household loads from generator. Put in AUTO and restart | |
| OVERLOAD REMOVE LOAD | Unit shuts down during operation — LED: RED | Clear alarm and remove household loads from generator. Put back in AUTO and restart | |
| OVERSPEED | Unit will not start in AUTO with utility loss — LED RED | Check LEDs / screen for alarms. | Contact an IASD. |
| OVERSPEED | Unit will not start in AUTO with utility loss — LED red | Contact an IASD | |
| OVERSPEED | Unit will not start in AUTO with utility loss — LED: RED | Contact an IASD | |
| OVERVOLTAGE | Unit will not start in AUTO with utility loss — LED RED | Check LEDs / screen for alarms. | Contact an IASD. |
| OVERVOLTAGE | Unit will not start in AUTO with utility loss — LED red | Contact an IASD | |
| OVERVOLTAGE | Unit will not start in AUTO with utility loss — LED: RED | Contact an IASD | |
| RPM SENSE LOSS | Unit was running and shut down, attempts to restart — LED RED | Check LEDs / screen for alarms. | Clear alarm and remove household loads from generator. Put into AUTO and restart. If generator does not start, contact an IASD. |
| RPM SENSE LOSS | Unit was running and shut down, attempts to restart — LED red | Clear alarm and remove household loads from generator. Put into AUTO and restart. If generator does not start, contact an IASD | |
| RPM SENSE LOSS | Unit was running and shuts down, attempts to restart — LED: RED | Clear alarm and remove household loads from generator. Put back in AUTO and restart. If generator does not start, contact an IASD | |
| RPM SENSE LOSS | Unit will not start in AUTO with utility loss — LED RED | Check LEDs / screen for alarms. | Clear alarm. Using control panel, check battery by navigating to BATTERY MENU option from MAIN MENU. If battery condition displays GOOD, contact an IASD. If control panel displays CHECK BATTERY, replace battery. |
| RPM SENSE LOSS | Unit will not start in AUTO with utility loss — LED red | Clear alarm. Using control panel, check battery by navigating to BATTERY MENU option from MAIN MENU. If battery condition displays GOOD, contact an IASD. If control panel displays CHECK BATTERY, replace battery | |
| RPM SENSE LOSS | Unit will not start in AUTO with utility loss — LED: RED | Clear alarm. Using control panel, check battery by navigating to BATTERY MENU option from MAIN MENU. If battery condition displays GOOD, contact an IASD. If control panel displays CHECK BATTERY, replace battery | |
| SERVICE A | Yellow LED illuminated in any state | Perform SERVICE A maintenance. Press ENTER to clear | |
| SERVICE B | Yellow LED illuminated in any state | Perform SERVICE B maintenance. Press ENTER to clear | |
| SHUTDOWN SWITCH | Unit will not start — LED flashing red | Set emergency shutdown switch(es) to CLOSED (I). Clear alarm | |
| SHUTDOWN SWITCH | Unit will not start — LED: FLASHING RED | Set emergency shutdown switch(es) to CLOSED (I) | |
| STEPPER OVERCURRENT | Unit will not start in AUTO with utility loss — LED RED | Check LEDs / screen for alarms. | Contact an IASD. |
| STEPPER OVERCURRENT | Unit will not start in AUTO with utility loss — LED red | Contact an IASD | |
| STEPPER OVERCURRENT | Unit will not start in AUTO with utility loss — LED: RED | Contact an IASD | |
| UNDERSPEED | Unit will not start in AUTO with utility loss — LED RED | Check LEDs / screen for alarms. | Contact an IASD. |
| UNDERSPEED | Unit will not start in AUTO with utility loss — LED red | Contact an IASD | |
| UNDERSPEED | Unit will not start in AUTO with utility loss — LED: RED | Contact an IASD | |
| UNDERVOLTAGE | Unit will not start in AUTO with utility loss — LED RED | Check LEDs / screen for alarms. | Contact an IASD. |
| UNDERVOLTAGE | Unit will not start in AUTO with utility loss — LED red | Contact an IASD | |
| UNDERVOLTAGE | Unit will not start in AUTO with utility loss — LED: RED | Contact an IASD | |
| WIRING ERROR | Unit will not start in AUTO with utility loss — LED RED | Check LEDs / screen for alarms. | Contact an IASD. |
| WIRING ERROR | Unit will not start in AUTO with utility loss — LED red | Contact an IASD | |
| WIRING ERROR | Unit will not start in AUTO with utility loss — LED: RED | Contact an IASD |
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.