have a handler 175 , about 25 + years old, can't get wire feed motor to turn, doesn't feel locked up, but don't have the 28 v to the motor that schematic say I should have , only about 15 to 16 volts, what next if it's the control board is it cheaper to get another welder?
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handler 175 wire feed motor doesn't work
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Be sure to check the voltage to the motor with the motor connected to the board or you can get a false reading from the board. If there is no voltage from the board to the motor with it plugged in then you have a bad board if the wire will stick arc when grounded. Likely components on the board that may have failed are PTC1(RX185) and Q1(2N6388).
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