MELSERVO MR-J2S- /L50132B Error 8E: Serial communication error

Servo amplifier and motor · taken from the manufacturer’s manual, pages cited

Fault code8E

Serial communication error from faulty cable or communication device. The manual's first action is: “Repair or change the cable.”

Model
MELSERVO MR-J2S- /L50132B
Display shows
Serial communication error (8E)
Type
Fault code
Source
Manual p. 108

What 8E means

Serial communication error p. 113

Common causes

  • Communication cable fault (Open cable or short circuit) p. 113
  • Communication device (e.g. personal computer) faulty p. 113

What to do

  1. Repair or change the cable. p. 113
  2. Change the communication device (e.g. personal computer). p. 113

Before you service the product, read the safety instructions in the manual p. 2.

If 8E is still not resolved

  • contact service / dealer p. 2
    “Do not attempt to install, operate, maintain or inspect the servo amplifier and servo motor until you have read through this Instruction Manual, Installation guide, Servo motor Instruction Manual and appended documents carefully and can use the equipment correctly.”
  • contact service / dealer p. 3
    “Any person who is involved in wiring and inspection should be fully competent to do the work.”
Open the manual at page 108 All MR-J2S- /L50132B error codes Manual details & download

This page summarises what the manufacturer’s manual says about 8E; 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 MELSERVO. Found a mistake? Report an error.