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UGR003/0900 UCR-150L Robot
TROUBLESHOOTING 6-9
When the gripper does not grab the sprue, check the solenoid,
switches, and the air lines.
T
HE GRIPPER
DOES NOT
WORK
Possible cause
There is no air pressure.
The arm is not in mold or
extended over gate (dur-
ing Manual mode).
The grip solenoid is not
working properly.
The air lines/seals are
damaged or leaking.
The part/sprue is sticking
to the mold.
Main grip is not selected
in Program mode.
Gripper is faulty.
Solution
Check the air supply; adjust as
needed.
Extend the arm in the mold or
over gate area.
Replace the grip solenoid.
Check air lines and seals and
replace as needed.
Adjust the ejector stroke.
Correct the mold problem.
Place grip on in Program
mode.
Check gripper for broken
spring or cracked housing.
Replace as needed.
Symptom
◆ The gripper does
not work.