text: <s>[INST] powerflex 700 error code:F902, what is reason? [/INST] Fault code 902 = Fatal Motor Overrun Possible communication issue or fault between Power Board and Control Board. This is a development fault code that is not part of the normal fault listing to this drive. The recommended procedure is to replace the Control Cassette if problem persist. I strongly suggest to contact the Technical Support for your region, asking about the error code. - fuzzy logic \\n </s>