CHAPTER A: APPENDIX A
MM300 MOTOR MANAGEMENT SYSTEM – INSTRUCTION MANUAL
For products shipped as of 1 October 2013, GE warrants most of its GE manufactured
products for 10 years. For warranty details including any limitations and disclaimers, see
our Terms and Conditions at
For products shipped before 1 October 2013, the standard 24-month warranty applies.
The firmware and software can be upgraded without return of the device to the factory.
For issues not solved by troubleshooting, the process to return the device to the factory for
repair is as follows:
Contact a GE Grid Solutions Technical Support Center. Contact information is found in
the first chapter.
Obtain a Return Materials Authorization (RMA) number from the Technical Support
Verify that the RMA and Commercial Invoice received have the correct information.
Tightly pack the unit in a box with bubble wrap, foam material, or styrofoam inserts or
packaging peanuts to cushion the item(s). You may also use double boxing whereby
you place the box in a larger box that contains at least 5 cm of cushioning material.
Ship the unit by courier or freight forwarder, along with the Commercial Invoice and
RMA, to the factory.
Customers are responsible for shipping costs to the factory, regardless of whether the
unit is under warranty.
Fax a copy of the shipping information to the GE Grid Solutions service department.
Use the detailed return procedure outlined at
The current warranty and return information are outlined at