Generac GP3000i troubleshooting: 9 fault codes and symptom-cause-remedy entries from the manufacturer's own service documentation.
Generac GP3000i — full specs, parts & maintenance.
| Symptom | Cause | Remedy |
|---|---|---|
| No AC Output | BAD REPAIR OR REPLACE COMPONENT, BAD REPAIR OR REPLACE WIRE | REPLACE INVERTER MODULE |
| No DC Output (iX Units Only) | REPLACE INVERTER MODULE | |
| Overload Light Is On | DISCONNECT LOAD, RESTART ENGINE AND CHECK AC OUTPUT AGAIN. (iX Units) DISCONNECT LOAD, PRESS AND HOLD RESET BUTTON, THEN RELEASE. IF OVERLOAD LIGHT GOES OUT, LOAD IS TO MUCH FOR THE UNIT. (iQ2000) | |
| Engine Will Not Pull Start | NOTHING FOUND, BAD REPLACE COMPONENT, VISUALLY INSPECT FOR OBSTRUCTIONS THAT WOULD CAUSE BINDING OF THE RECOIL ONCE INSTALLED | |
| Flex Power/Mode Feature is Not Responding | REPLACE INVERTER MODULE, REPLACE SWITCH, TEST FLEX POWER/MODE SWITCH | |
| Engine Will Not Start | REPLACE CARBURETOR, REPLACE FUEL PUMP, REPAIR OR REPLACE STATOR, REPLACE IGNITION WINDING | |
| Engine Hunts / Erratic Idle or Will Not Come Up to Speed | Problem 7 | |
| Unit Shuts Down for Low Oil | Problem 8 | |
| LED Display INOP | Replace LED MODULE |
Fault codes and symptom→remedy steps extracted from this model’s service/owner documentation; verify against the official manual before servicing.
Documented causes: BAD REPAIR OR REPLACE COMPONENT, BAD REPAIR OR REPLACE WIRE. See the table for the matching fixes.