PAS4S

6 Diagnostics and troubleshooting

 

 

6 Diagnostics and troubleshooting

6.1Troubleshooting

Problem

Cause

Troubleshooting

 

 

 

Sensor overtraveled

Sensor

Adjust or replace sensors, see page 61

 

 

 

 

Controller

Check controller

 

 

 

Motor load increases, controller

Guides and/or ball screw drive under

Contact service

switches off because of overload.

mechanical tension or excessive friction

 

 

caused by poor lubrication.

 

 

 

 

Noise and vibrations at high

Speed of rotation of ball screw too high

Reduce speed of rotation of ball screw

speed of rotation of the ball screw

 

 

Poor lubrication (in the case of noise)

Lubricate, see page 83

 

 

 

 

Run-out of the screw caused by impact or

The ball screw must be replaced. Contact

 

shock

service

 

 

 

Running inaccuracy and noise of

Poor lubrication

Lubricate, see page 83

the guides

 

 

Damage to the guides, for example by

Replace guides, contact service

 

 

shock or impact on the carriage

 

 

 

 

Carriage has backlash and posi-

Backlash in ball screw drive or guides

Contact service

tions inaccurately

after a collision or poor lubrication

 

 

 

 

MNA1MLSDM00EN, V2.01, 07.2009

Portal axes with ball screw drive

59

Page 59
Image 59
Schneider Electric PAS4S manual Diagnostics and troubleshooting, Troubleshooting