Mitsubishi Mr-j2-200ct Alarm List Jun 2026

This occurs when the control power supply voltage drops below the allowed limit. Check if the input power voltage is stable.

The following section details the most common and critical alarm codes for the MR-J2-200CT. Note that this list covers the standard alarm codes found in the MR-J2-Super series technical bulletins. mitsubishi mr-j2-200ct alarm list

Incorrect or corrupted internal parameters; external interference Verify and re-enter parameters using MR Configurator Overload 1 Continuous load exceeds rating; motor/drive mismatch Reduce mechanical load; improve system cooling Internal CPU or amplifier hardware failure Replace the servo amplifier if reset does not clear it ⚠️ Warning Codes (AL. EX) This occurs when the control power supply voltage

Encoder cable disconnected or shorted; internal detector failure Reconnect cable correctly or replace motor/encoder Ground Fault Output wire shorted to ground or motor winding failure Note that this list covers the standard alarm