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10. TROUBLESHOOTING
Display Name Definition Cause Action
AEC Overload warning
2
Operation, in which a
current exceeding the
rating flew intensively in
any of the U, V and W
phases of the servo
motor, was repeated.
During a stop, the status in which a current
flew intensively in any of the U, V and W
phases of the servo motor occurred
repeatedly, exceeding the warning level.
1. Reduce the positioning
frequency at the specific
positioning address.
2. Reduce the load.
3. Replace the servo amplifier/
servo motor with the one of
larger capacity.
AED Output watt excess
warning
The status, in which the
output wattage (speed
torque) of the servo motor
exceeded the rated
output, continued steadily.
Continuous operation was performed with
the output wattage (speed
torque) of the
servo motor exceeding 150% of the rated
output.
1. Reduce the servo motor
speed.
2. Reduce the load.
10.3 Point table error
When a point table error occurs, the parameter error (A37) occurs. After the parameter No. of parameter error
(A.37), the point table error details are displayed.
Point table error details
For the point table No.1 position data error
A L 3 7 # 0 0
P B 1 0 P B 1 1
P B 1 2 P B 1 6
Point table No. with error
Error item
Pos: position data
Spd: speed
Acc: acceleration time constant
Dec: deceleration time constant
Dwl: dwell
Aux: auxiliary function
Mcd: M code
P o s 0 0 1
10.4 MR-DP60 external digital display error
When MR-DP60 external digital display detects an error, the following alarms are displayed. The alarms are
displayed only on the MR-DP60, but not on the servo amplifier display.
Display Name Definition Cause Action
AL. CPU CPU error CPU error Faulty parts in the MR-D60. Exchange the MR-D60.
AL. C0 Communication
error
Communication error
occurred between MR-DP60
and MR-J3-D01.
1. CN30 connector disconnected. Connect correctly.
2. Wire breakage of the cable. Repair or exchange the cable.