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CCS/2MTR-DYNO: One of the motor rotors cannot rotate freely.

Part Number: 2MTR-DYNO

Tool/software: Code Composer Studio

Dear team,

The customer  just bought it recently and received it.

One of the motors cannot rotate freely, and one of the rotors cannot be turned manually without power.

It is suspected that it is a quality problem, can the customer apply for a replacement in this case?