Ceiling – Why do the lights turn off when I turn off the fan portion of the newly installed ceiling fan

I had the same problem. It is the wattage limiting black box that is bad if you used the bulbs that came with it and it doesn't work. I am an electrician so I found it to be a simple fix.

Turn off power at the switch. Open the bottom of the fan where you plugged the light in. You are basically going to bypass the little black box that goes into the lights. Mine had a red, blue and white wire going to the black box. Cut or unsplice the 3 wires as close as you can to the black box and remove the black box. Splice the white wire going to the light to the white wire that came from the selector fan switch back together. Then splice the red wire from the plug-in connector to the black wire going to the lights. This will solve your problem.

You can also get a new black box if you want the wattage limiting feature still. I am an electrician of 15 years and I don't see the point of it as my fan only takes small bulbs anyways. If you do remove this black box do not put in bulbs that will add up to over 190 watts together.

Good luck

If the breaker isn't tripping (all your bedrooms are not losing power, just the light on the fan), it's not the breaker being overloaded.

How is this wired? Is the "dimmer switch" controlling just the lights on the fan, or is it the older fan's speed control? Or perhaps if I ask "How do {or did, with the old fan} you turn on the lights alone, fan alone, or both?" - is there a wall switch or speed control for the fan, and a separate wall switch for the lights, or does one wall switch (dimmer?) turn on the fan/light and then you select if the lights are on by a pull-switch on the fan? You have a remote control now - that would probably affect the way things should be wired.

Why do I ask all this? The only way I can imagine that you're causing something to overload with 120 watts of light bulb is is if you've got the fan motor attached to the dimmer, which is almost certainly not right...either the "dimmer" is a fan speed control, probably sized for the previous fan motor (did it have lights?) or it's only supposed to be attached to the lights, if it is a dimmer.

A dimmer won't work right as a fan speed control, and a fan speed control won't work right as a dimmer, and if both the motor and lights are attached to either one, it would not work.