When the gripper does not grab the sprue, check the solenoid, switches, and the air lines.

THE GRIPPER

DOES NOT

WORK

Symptom

Possible cause Solution

The gripper does not work.

There is no air pressure. Check the air supply; adjust as needed.

The arm is not in mold or Extend the arm in the mold or extended over gate (dur- over gate area.

ing Manual mode).

The grip solenoid is not

Replace the grip solenoid.

working properly.

 

The air lines/seals are

Check air lines and seals and

damaged or leaking.

replace as needed.

 

 

The part/sprue is sticking

Adjust the ejector stroke.

to the mold.

Correct the mold problem.

Main grip is not selected

Place grip on in Program

in Program mode.

mode.

 

 

Gripper is faulty.

Check gripper for broken

 

spring or cracked housing.

 

Replace as needed.

UGR003/0900

UCR-150L Robot

TROUBLESHOOTING 6-9

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Conair UGR003/0800 manual Gripper Does not Work, Gripper does not work