EcoFlow Smart Generator (Dual Fuel) error codes
6 codes from the official EcoFlow manual (EcoFlow generator), each with the manual page. For 1 of them the manual says to contact an authorized service dealer.
Applies to: EcoFlow Smart Generator (Dual Fuel).
| Code | What it means | What to do | Service | Manual |
|---|---|---|---|---|
| AC overload protection | No AC output because the AC overload protection has tripped, usually caused by a load-related problem. | Remove the problem load, shut down the generator, and restart it. | owner | p. 24 |
| CO exceeding specified standard values | Carbon monoxide levels exceed the specified standard, most likely due to poor ventilation. | Turn off the generator and improve ventilation. | owner | p. 24 |
| Communication failure | Communication with DELTA Max or DELTA Pro has failed. It is normal when the generator enters sleep mode. It is abnormal if it persists after activation or while running. | If the generator is asleep, press a button to wake it. If the failure persists, stop using the product and contact the service personnel or the service dealer. | dealer | p. 24 |
| DC overload protection | No DC output because the DC overload protection has tripped, usually caused by a load-related problem. | Remove the problem load, shut down the generator, and restart it. | owner | p. 24 |
| Oil Alert Indicator Oil Alert Indicator stays on | Engine oil level is low. The engine oil alarm system may shut off the engine. | Add engine oil. | owner | p. 24 |
| Over-temperature protection | No output because the generator is overheating. Possible causes are a blocked air inlet, high ambient temperature, or too large a load. | Check the air inlet, move the generator out of the high-temperature environment, or reduce the load. | owner | p. 24 |
Source: official EcoFlow manual, read 2026-11-01. "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.