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 | TROUBLESHOOTING |