On my bedroom unit the control box is on the right side, just under the cover; a few screws to remove the cover.
On my main room unit, the control box is in front, just under the cover.
Not sure what you are trying to fix, but Bob is right, replace the thermostat first and see what happens. No need to mess around on the roof at this point.
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Scott & Alta
2017 Montana 3160RL, Legacy, Onan 5.5Kw, Solar
2022 F-450 Lariat Ultimate
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