GE Fuji AF-300 Mini™ Error Er8: RS485 communications error

GE Fuji AF-300 Mini Drive · taken from the manufacturer’s manual, pages cited

Error codeEr8

RS485 communications error occurred due to incorrect controller settings/software/hardware, faulty relay converters, or broken/loose communication cables. The manual's first action is: “CHECK Check the controllers. SUGGESTED ACTIONS – Remove the cause of the controller error.”

Model
GE Fuji AF-300 Mini™
Display shows
RS485 communications error (Er8)
Type
Error code
Source
Manual p. 79

What Er8 means

RS485 communications error p. 93

Common causes

  • High-level controllers (e.g. PLCs and personal computers) did not operate due to incorrect settings and/or defective software/hardware. p. 93
  • Relay converters (e.g. RS232C/RS485 converter) did not operate due to incorrect connections and settings, and defective hardware. p. 93
  • Broken communications cable or poor contact. p. 93

What to do

  1. CHECK Check the controllers. SUGGESTED ACTIONS – Remove the cause of the controller error. p. 93
  2. CHECK Check the converter (e.g. check for poor contact). SUGGESTED ACTIONS – Change the various converter settings, reconnect the wires, or replace hardware as appropriate. p. 93
  3. CHECK Check continuity of the cable, contacts and connections. SUGGESTED ACTIONS – Replace the cable. p. 93

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

If Er8 is still not resolved

  • Contact a qualified electrician for wiring p. 5
    “Wiring must only be performed only by a qualified electrician.”
  • Check that power is off before wiring p. 24
    “Check that the power is turned off before proceeding with any wiring Failure to do so may result in electric shock.”
Open the manual at page 79 All AF-300 Mini™ error codes Manual details & download

This page summarises what the manufacturer’s manual says about Er8; 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 GE Fuji. Found a mistake? Report an error.