see this steps and fix it.God bless you
This is probably a 1( faulty speed sensor, adjust it , clean it and tigh the plug very well see the diagram attached. 2( test the input voltage motor, if there are the motor need repair 3( test the output voltage board, for input voltage motor, if there are NOT the board is faulty see the block diagram . The error codes will differ between makes and models but
could be e1. or e2
Run the software calibration for easy diagnostic, troubleshooting, and fix it.
God bless you
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