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Question #: 6837

Question: I originally bought 4 Sainsmart ST4045-A1 Drivers. One failed. Can I replace the defective one with one of yours? Or should I replace all 4? I have bought your NEMA24's and BOBs. Learned my lesson. Newbie mistake, I admit. Thanks.

Current Solution

If you already have our motors and interface controller, it would be best to run all motors with our drivers. You would not be compelled to replace all of the drivers, but it may be advisable for future issues.

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