Dc motor controller in use will encounter a variety of problems, such as the motor can't start, how do we need to deal with it?
Small make up to introduce below.
Need to check whether the line is in good condition, starter connection is correct, and whether the fuse fusing.
Because there may be the result of no power supply.
Need to reduce the working load, because may be caused by overload.
Check to see if the starter used appropriate, because there may be the result of starting current is too small.
See if brush spring relaxation, because there are may be the result of brush contact undesirable.
The above is the motor can't start the treatment measures are introduced.