THE ARM IS
NOT WORKING
PROPERLY
The problems you will see with the arm is that it will not extend or retract properly. Check electrical wiring, switches, valves, and air lines.
Symptom | Possible cause | Solution |
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◆There is no arm | There is no air pressure. | Check air supply to the robot. |
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extension (no arm |
| Check for leaks. |
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down). |
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| The mold is not fully | Check that the interface wiring |
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| open. | is correct. |
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| The robot is not swung | Check the |
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| fully in or fully out. | switches and adjust as neces- |
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| sary. |
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| Vertical stroke adjust- | Loosen stroke adjustment |
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| ment block is set too low. | block and set higher to correct |
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| stroke. |
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| The arm down flow con- | Adjust the down speed control; |
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| trol is shut off. | replace as needed. |
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| The main arm solenoid | Replace the main arm solenoid |
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| valve is not functioning. | valve. |
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| The air lines/seals are | Check air lines and seals; |
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| damaged or leaking. | replace as needed. |
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◆ There is no arm | There is no air pressure. | Check air supply to the robot. |
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retraction (no arm |
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up). |
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The up solenoid is not functioning.
Replace the up solenoid valve.
TROUBLESHOOTING | UGR003/0900 |