Alarm Mode - Mitsubishi Electric MELSERVO-J4 Series Instruction Manual

3. DISPLAY AND OPERATION SECTIONS

3.1.4 Alarm mode

The current alarm, past alarm history and parameter error are displayed. The lower 2 digits on the display
indicate the alarm number that has occurred or the parameter number in error.
Name
Current alarm
Alarm history
Parameter error No./point
table error No.
(Note 2)
Note 1. If a parameter error and point table error occur simultaneously, the display shows the parameter error.
2. The display shows only when the current alarm is [AL. 37 Parameter error].
Display (Note 1)
Indicates no occurrence of an alarm.
Indicates the occurrence of [AL. 33.1 Main circuit voltage error].
Flickers at alarm occurrence.
Indicates that the last alarm is [AL. 50.1 Thermal overload error 1
during operation].
Indicates the second last alarm is [AL. 33.1 Main circuit voltage error].
Indicates the third last alarm is [AL. 10.1 Voltage drop in the control
circuit power].
Indicates that there is no tenth alarm in the past.
Indicates that there is no eleventh alarm in the past.
Indicates that there is no twelfth alarm in the past.
Indicates that there is no sixteenth alarm in the past.
This indicates no occurrence of [AL. 37 Parameter error].
The data content error of [Pr. PA12 Reverse rotation torque limit].
The value of the point table is over the setting range.
The error point table No. (intermediate digit "2") and item (lower digit
"d") are displayed.
The following shows the items.
P: position data, d: motor speed, A: acceleration time constant, b:
deceleration time constant, n: dwell, H: auxiliary function, M: M code
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