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We have a ceiling fan with three lights that came with the house, and that is operated by an electronic switch driven by a 9V battery and with 5 buttons: Hi, Med, Lo, Off (for the fan) and Light (a toggle for the lights). At around 11ish pm every night, the fan turns itself on. This great in summer, but is quite annoying in winter. I suspect this is a remote controlled fan of sorts, but I have no remote control for it that I can find.

Does anyone know why this happens and how I can stop it?

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sounds like it may be programmable. Check owner's manual online to see if it can be reprogrammed. – shirlock homes Dec 4 '12 at 11:25
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maybe a neighbors garage door opener? – mikes Dec 4 '12 at 11:32
The switch is a remote. Find the manual, and change the codes on it - it may be done by some key sequence, or there may be jumpers on the remote and inside the fan that have to match. It seems a bit unlikely that it's interference or a signal from something your neighbours have if it happens consistently every night and at no other time of day, but it's worth a shot to start with. – gregmac Dec 4 '12 at 14:54
Hey @gregmac: It sounds like you are suggesting I open up the switch panel and change codes on what is likely an independent battery-operated wireless electronic switch for the fan? – scorpiodawg Dec 6 '12 at 6:47

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