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6. TROUBLESHOOTING
6 - 7
Display Name Definition Cause Action
E0 Excessive
regeneration
warning
Refer to chapter 8 of the MR-J3-
B Servo Amplifier Instruction Manual.
E1 Overload
warning 1
E2 1. Ambient temperature of direct drive
motor is over 40
(104 ).
Check environment so that ambient
temperature is 0 to 40 (32 to 104 ).
Direct drive
motor overheat
warning
Direct drive motor
temperature rose and
exceeded 85
of the
alarm occurrence
level.
2. Direct drive motor is overloaded. 1. Reduce load.
2. Check operation pattern.
3. Replace direct drive motor that provides
larger output.
3. Thermistor in direct drive motor is
faulty.
Replace the direct drive motor.
E3 Absolute
position counter
warning
Refer to chapter 8 of the MR-J3-
B Servo Amplifier Instruction Manual.
E4 Parameter
warning
E6 Servo forced
stop warning
E7 Controller
forced stop
warning
E8 Cooling fan
speed reduction
warning
E9 Main circuit off
warning
EC Overload
warning 2
ED Output watt
excess warning