Fuji Electric FRENIC-Ace Error OH 2: External alarm

FRENIC-Ace inverter · taken from the manufacturer’s manual, pages cited

Alarm codeOH 2

An external alarm signal is being triggered by an external device or condition. The manual lists no action for this code.

Model
Fuji Electric FRENIC-Ace
Display shows
External alarm (OH 2)
Type
Alarm code
Source
Manual p. 125

What OH 2 means

External alarm p. 125

If OH 2 is still not resolved

  • contact service / dealer p. 6
    “Failure to heed the information indicated by this symbol may lead to dangerous conditions”
  • contact service / dealer p. 137
    “To ensure the compliance, it is recommended to mount the inverters in a metal panel.”
Open the manual at page 125 All FRENIC-Ace error codes Manual details & download

This page summarises what the manufacturer’s manual says about OH 2; each statement links to the page it comes from, and quoted lines are copied word for word. It is not a substitute for the manual or for a qualified installer. ManualLib is not affiliated with Fuji Electric. Found a mistake? Report an error.