Johnson T7000 PRO, Service Manual, Page: 49 / 56

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CHAPTER 7
:
Part Replacement Guide
7.8 Motor Control Board (MCB) Replacement
1) Turn off power and disconnect the cord from the machine.
2) Remove the front shroud as outlined in Section 7.1.
3) Cut any wire ties that are secured to the MCB panel (Figure A, B).
4) Disconnect wires from the MCB - six total connections (Figure C).
5) Remove Four MCB mounting screws using a Phillips head screwdriver (Figures D).
6) Reverse Steps 1-5 to install a new MCB.
7) Auto Calibration must ALWAYS be run after replacing the MCB (see Section 3.2).
A
D
B
C