Generac iQ5200 error codes
2 codes from the official Generac manual (Owner's Manual for Portable Generator), each with the manual page. For 1 of them the manual says to contact an authorized service dealer.
Applies to: Generac iQ5200.
| Code | What it means | What to do | Service | Manual |
|---|---|---|---|---|
| RED light blinks CO PROTECT shut-off (accumulating carbon monoxide) | The generator shut off because carbon monoxide is accumulating around it. The red light on the side panel badge blinks to show this CO shut-off. | Follow all safety instructions and relocate the generator to an open area outside, far away from windows, doors and vents. | owner | p. 22 |
| YELLOW light blinks CO PROTECT shut-off (system fault) | The generator shut off because of a CO PROTECT system fault. The yellow light on the side panel badge blinks to show the fault. | Start the generator to confirm the yellow light blinks when it shuts off. If CO PROTECT keeps faulting and shutting off, contact an Independent Authorized Service Dealer (IASD). | dealer | p. 22 |
IASD: Independent Authorized Service Dealer, the brand-certified service company.
Source: official Generac manual, read 2026-10-26. "Owner" means the manual lists steps you can take; "dealer" means it directs you to authorized service. Fuel, gas and electrical work on generators is for qualified technicians; follow the manual's safety section.