Fuji Electric FRENIC-Ace Error d8R: Braking transistor broken

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

Alarm coded8R

The braking transistor has failed or is damaged. The manual lists no action for this code.

Model
Fuji Electric FRENIC-Ace
Display shows
Braking transistor broken (d8R)
Type
Alarm code
Source
Manual p. 123

What d8R means

Braking transistor broken p. 123

If d8R 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.”

This page summarises what the manufacturer’s manual says about d8R; 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.