Question about Coleman Mach III Air Conditioner

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Twice now, on my RV heater air unit has turned on in the middle of the night, even though I have the power to the unit turned off. This is a Coleman mach unit with a remote control. If the power is off on the unit, how can it turn itself on?

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  • ranbud May 27, 2010

    Yeah, I know that, but the power light is off on the actual unit. There are two ways to turn it on, get a ladder and hit the power button, or use the remote and hit the power button. When it turns the power on, a light will be on the unit. Both times this has happened, the unit had no lights and in the middle of the night, it has magically turned the power on. It has to be the remote doing it, but I have no idea how or why as you must physically hit the power button on the remote to turn it on.

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It obviously does have power going to it, remote controls will not re-energize an appliance such as this. Ensure the switch you are manipulating is the power switch, it sounds like an "on-off" switch and no that is the same thing, a power switch removes power, an on-off switch does just that but will not control the power to the machine.

Posted on May 27, 2010

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