"This morning my solar powered rain forest island is not working. The pump is not running."
Check the pump fuse.
All anyone can do is make a guess from the info given, but basically solar cells receive photons from the Sun, and converts them into electricity to run your rain forest pump(s). Therefore your solar cells should produce electricity on both sunny and cloudy days, just more electricity is produced on sunny days. And of course at night there's a major shortage of photons, so essentially no electricity is being produced, and thats why you need to be switched over to a electrical grid, or over to a gas run generator of some type to produce the energy required to run your household or business at night.
There are numerous solar cell systems out there, one has a battery system that allows you to store energy in the batteries then use it when needed, but most allow you to feed access electricity back to the power companies, thus cutting down on your electrical bill.
PS: Fighter, just because I'm an engineer by trade doesn't mean I'm expert on all things, or anything for that matter, because nobody is, I just try to use some of the tools I've learned from school and work experience to figure things out, and thats all most of us can do.
What is a solar powered rain forest island? Is it a decoration fountain, or a solar powered sprinkling system? If it is raining, why need to run this pump? If seems like your "rain forest" is getting natural rain. Why the need to pump additional artificial rain, if there is already natural rain falling on this? Sane minds are curious to get an explanation. TIA (Thanks in Advance.)
Re: "Canary, you are such a gifted engineer, I have a question for you. This morning my solar powered rain forest island is not working. The pump is not running.
Could it be that the sun is not shining and it is raining ???"
FP, why ask canary who might not even live near you? Just look out the window and check for yourself.