Mitsubishi Electric MR-J2S-A Error A4: Indicates that there is no fifth alarm in the past

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

Alarm codeA4

This code indicates there is no fifth past alarm. The manual lists no action for this code.

Model
Mitsubishi Electric MR-J2S-A
Display shows
Indicates that there is no fifth alarm in the past (A4)
Type
Alarm code
Source
Manual p. 161

What A4 means

Indicates that there is no fifth alarm in the past p. 161

Common causes

  • Indicates that there is no fifth alarm in the past. p. 161

If A4 is still not resolved

  • contact service / dealer p. 3
    “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. 4
    “Do not attempt to wire the servo amplifier and servo motor until they have been installed. Otherwise, you may get an electric shock.”
Open the manual at page 161 All MR-J2S-A error codes Manual details & download

This page summarises what the manufacturer’s manual says about A4; 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 Mitsubishi Electric. Found a mistake? Report an error.