I have a PC75UU-2 the boom is locked out (unless you use the override switch). A code of "EE" and the light is on. I have checked the Potentiometers (all 3), no problem found. The controller code is off. Checked all the Diodes, connectors, wires and grounds. No power or ground coming out of the controller when the "EE" code is on. Power and ground to the controller are good. Anybody familiar with this problem or machine? Thanks.
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