Fuji Electric FRENIC-Mini Error E-8: RS-485 communications error

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

Error codeE-8

RS-485 communications error happens when communication between the inverter and external devices fails via RS-485 protocol. The manual's first action is: “p.6-17”

Model
Fuji Electric FRENIC-Mini
Display shows
RS-485 communications error (E-8)
Type
Error code
Source
Manual p. 133

What E-8 means

RS-485 communications error p. 133

Common causes

  • RS-485 communications error p. 133

What to do

  1. p.6-17 p. 133

Before you service the product, read the safety instructions in the manual p. 4.

If E-8 is still not resolved

  • Contact service / dealer p. 4
    “ii„ Safety precautions Read this manual thoroughly before proceeding with installation, connections (wiring), operation, or maintenance and inspection.”
  • Contact service / dealer p. 29
    “CAUTION: When wiring the inverter to the power supply of 500 kVA or more (50 kVA or more for the single-phase 115 V class series of inverters), be sure to connect an optional DC reactor (DCR).”

This page summarises what the manufacturer’s manual says about E-8; 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.