Horizon Advance 500 Treadmill Trips Internal Circuit Breaker

Our Horizon treadmill trips the internal circuit breaker as soon as elevation motor is actuated. It does not trip when run motor is actuated but it does not run. I have disconnected both motors one at a time and tried to get it to run. With the run motor disconnected I hit the start button and of course the belt did no run but the meters operated indicating that it was running. When I pressed the elevation change but it immediately tripped. When I disconnected the elevation motor and did the same test I had same result when I pressed the elevation change button. This seems to indicate that the problem is in the power circuit not the motors. Would this be correct.


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