Mitsubishi Electronics E68 ユーザーズマニュアル

I - 37 

 

Alarm 

information 

Details Remedy 

0033 

Overvoltage 

The voltage of the converter in 
the servo drive unit was 400V or 
more. 

• Wire correctly. 

•  Replace the servo drive unit. 

•  For the internal regenerative 

resistor, replace the drive unit.  

•  For the external regenerative 

option, replace the regenerative 
option. 

0046 

Motor overheating  An operation state causing the 

motor to overheat continued. 

•  Reduce the motor load. 

•  Review the operation pattern. 

0050 

Overload 1 

The servo drive unit or 
servomotor overload protection 
function activated.  

•  Reduce the motor load. 

•  Review the operation pattern. 

•  Change to a motor or drive unit 

with large output. 

•  Change the setting of the 

automatic tuning response 
characteristics. 

•  Correct the connection. 

•  Replace the servomotor. 

0051 

Overload 2 

The max. output current flowed 
for several seconds due to a 
machine collision or overload. 

 

•  Review the operation pattern. 

•  Change the setting of the 

automatic tuning response 
characteristics. 

•  Correct the connection. 

•  Replace the servomotor. 

0052 

Excessive error 

A position deflection exceeding 
the excessive error detection 
setting value occurred. 

•  Increase the acceleration/ 

deceleration time constant. 

•  Increase the torque limit value. 

•  Review the power facility 

capacity. 

•  Review the operation pattern. 

•  Replace the servomotor. 

• Connect correctly. 

•  Repair or replace the cable.