Fuji Electric FRENIC-Ace Error d8H: Braking resistor overheating (FRN0115E2 20 or below / FRN0011E2 70 or below / FRN0072E2 40 or below)

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

Alarm coded8H

The braking resistor is overheating, indicating excessive heat due to high current or fault conditions. The manual lists no action for this code.

Model
Fuji Electric FRENIC-Ace
Display shows
d8H
Type
Alarm code
Source
Manual p. 123

What d8H means

Braking resistor overheating (FRN0115E2 20 or below / FRN0011E2 70 or below / FRN0072E2 40 or below) p. 123

If d8H 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 d8H; 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.