Mitsubishi Electric MELSERVO-JN Series Instruction Manual page 244

8. TROUBLESHOOTING
Alarm No.: A.E1 Name: Overload warning 1
Warning contents
Detailed Detailed
display Name
E1.6 The overload 1) Load exceeded 85% of the
thermal
warning 2
while motor
not rotating
E1.7 The overload 1) Load exceeded 85% of the
thermal
warning 3
while motor
not rotating
Alarm No.: A.E6 Name: Servo forced stop warning
Warning contents
Detailed Detailed
display Name
E6.1 Servo forced 1) Forced stop (EM1) is
stop warning
2) The external 24VDC
3) Servo amplifier fault
The overload alarm (50. , 51. ) may occur.
Cause
alarm level of the overload
alarm (50.5).
alarm level of the overload
alarm (51.2).
The forced stop signal is turned OFF.
Cause
turned OFF.
power supply is not input.
The servo motor does not stop.
Checking method
Execute the checking methods mentioned in the alarm display "50.5".
Execute the checking methods mentioned in the alarm display "51.1".
The servo motor stops.
Checking method
Check the forced stop OFF
(EM1).
ON
Check if the external Not input.
24VDC power supply is
Input.
input.
Check if the alarm Alarm does not
occurs after replacing occur.
the servo amplifier.
8 - 27
Result Action
Result Action
Ensure safety and turn ON
the forced stop (EM1).
Check 2).
Input 24VDC.
Check 3).
Replace the servo
amplifier.