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STL2 fault in delta C2000 series drive

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(@click2electro)
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How can resolve problem STL2 fault in delta C2000 series drive ?

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Posts: 8753
Admin
Topic starter
(@click2electro)
Member
Joined: 3 years ago

STO Loss 2 (STL2)

STO2–SCM2 internal loop detection error.

STO2 and SCM2 short circuit lines are not connected - Connect the short circuit lines.

After you make sure all the wiring is correct, if STL2 fault still exists after cycling the power.

Poor connection of the IO card - Check if the PIN of IO card is broken. Check if the IO card connects to the control board correctly, and if the screws are tightened well.

 

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