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Troubleshooting
54
05.01|EVG 55|en
Troubleshooting
Behavior in case of product malfunctions
Gripper does not move
Possible cause
Corrective action
Motor connected incorrectly
Check the connection between motor and
controller
Communication not possible
Check bus connection
Gripping force decreases / gripper opens and closes abruptly
Possible cause
Corrective action
Dirt deposits
Clean and, if necessary, lubricate
Dry running of the guide
Gripper does not travel through the entire stroke
Possible cause
Corrective action
Dirt deposits between base jaws and guide
Clean and, if necessary, re-lubricate.
Dirt deposits between cover plate and chuck
piston
Clean and, if necessary, re-lubricate
Motor does not turn
Possible cause
Corrective action
Motor lines are defective
Check winding resistances: Motor lines to-
wards each other: R = 0.4...2.0
Ω
(depending
on cable length)
6
6.1
6.1.1
6.1.2
6.1.3
6.2