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8. TROUBLESHOOTING
Alarm No.: A.52
Name: Error excessive
Description
The droop pulse between the command position and current position exceeds the alarm level.
Detailed
display
Detailed
Name
Cause
Checking method
Result
Action
52.3
Droop
pulses
excessive
12) Servo motor is rotated by
external force.
Measure the actual
position on the servo
lock status.
The servo motor is
rotated by an
external force.
Check the machine.
Servo motor is not
rotated by an
external force.
Check 13).
13) Encoder faulty
Check if the alarm
occurs after replacing
with the servo
operating normally.
Alarm does not
occur.
Replace the servo motor.
Alarm No.: A.52
Name: Error excessive
Description
The droop pulse between the command position and current position exceeds the alarm level.
Detailed
display
Detailed
Name
Cause
Checking method
Result
Action
52.4
Error
excessive at
torque limit
value zero
1) Torque limit value is "0".
Check the torque limit
value.
Torque limit value is
"0".
Increase the torque limit
value.
Alarm No.: A.61
Name: Operation alarm
Description
The point table is incorrect.
Detailed
display
Detailed
Name
Cause
Checking method
Result
Action
61.1
Auxiliary
function
setting error
1) "1" or "3" is set to the
auxiliary function of the
last point table (No.7).
Check the auxiliary
function value of the
last point table.
"1" or "3" is set.
Check the setting.
