Mitsubishi Electric MELSERVO-J4 Instruction Manual page 401

11. PARAMETER UNIT
(2) Alarm history clear
The servo amplifier stores last sixteen alarms from when its power is switched on at first. To control the
alarms that will occur for regular operation, clear the alarm history before starting regular operation.
(3) Point table error
When a point table setting has an error, [AL. 37.3 Point table setting error] will occur. After [AL. 37.3], the
content of the point table error will be displayed.
Select "ALM Hist".
Displays sixteen alarm histories
(0H to FH) including the latest
alarm by alarm No. and
applying-current time until the
alarm occurrence.
Displays menu to clear alarm
histories.
To clear alarm histories,
select "1".
Point table error detail
When the position data error at the point table No. 1...
Point table No. which an error is occurring
Error item
Pos: Position data
Spd: Speed
Acc: Acceleration time constant
Dec: Deceleration time constant
Dwl: Dwell
Aux: Sub function
Mcd: M code
11 - 12