Troubleshooting
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04.00 | UFG 66 | Assembly and Operating Manual | en | 389470
5 Troubleshooting
5.1 Modul does not move?
Possible cause
Corrective action
Hydraulic supply is interrupted
preserve hydraulic supply
Component part defective.
Send product with a SCHUNK repair order or
dismantle product.
hydraulic wirings are interchanged
check hydraulic wirings
minimum pressure fell below
unused hydraulic connections are open
Close unused hydraulic connections
Proximity switch defective or set incorrect.
Readjust or change sensor.
Base jaws jam in housing, e.g. mounting
surface is not sufficiently even.
Check the evenness of the mounting surface.
Loosen the mounting screws of the product
and actuate the product again.
5.2 The gripping force drops?
Possible cause
Corrective action
Dirt deposits between basic jaws and
guidance.
Remove the cover, clean the product and
regrease it
Pressure drops below minimum.
Check the hydraulic supply
Mounting surface is not sufficiently flat.
Check the evenness of the mounting surface.
Component part defective.
Send product with a SCHUNK repair order or
dismantle product.
Internal leak oil loss
Send product with a SCHUNK repair order or
dismantle product.
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