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EcoFlow RIVER 2 Pro Fan blocked

What it means: Indicator flashes because the cooling fan is blocked.

What to do

Check whether the fan is blocked by foreign objects and remove them. If the warning persists after restart, stop using the product.

When to call service

The manual lists steps the owner can take. If the code comes back after them, or you are unsure, contact an authorized service dealer. A warning: the unit may keep running, but the cause needs attention.

Source: official EcoFlow manual, page 11, read 2026-11-01. Summary of the manual, not a reproduction.

Models this manual covers

EcoFlow RIVER 2 Pro, EcoFlow RIVER 2 Max.

Other RIVER 2 Pro codes

AC output high temperature AC output low temperature AC output overload Battery charging high temperature Battery charging low temperature Battery discharge high temperature Battery discharge low temperature Charging overload Communication failure between main control board and AC Failure of communication between main control board and AC USB-C or car charging output overload

Questions

What does EcoFlow Fan blocked mean?

Indicator flashes because the cooling fan is blocked. (EcoFlow manual for the RIVER 2 Pro, page 11.)

How do I fix EcoFlow Fan blocked?

Check whether the fan is blocked by foreign objects and remove them. If the warning persists after restart, stop using the product.

Fuel, gas and electrical work on a power station is for qualified technicians; follow the safety section of the manual. All 12 RIVER 2 Pro codes →