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[brutal]

viridius,  to take your idea a little further you could install a duel color led to indicate system power and pump power or install a second led to indicate power to the pump.


as far as burning out, i have been reading up on some led technology where you run 2 color led's with the same color on both sides so that if one side burns out you still have an indicator.

it takes a little bit of modding, but you can get 3 wire led shunts which makes it pretty easy

[Tokyocory]

Its not so much having no indicator as much as having no power to your pump due to an open circuit.

[viridius]

It's not so much a danger of burning out as it is of damage.  In 1987 or so, the Army gave a lifetime of 100,000 hours for a LED, which is a little less than 11.5 years of constant use.  My guess is that figure has increased.  So wiring the dual LED up would not do too much because you're running both at the same time and, because they are on the same circuit, if the power goes over the limit (which is the only way to destroy a LED) both will be fried.

[brutal]

well i was thinking that you could wire each side so if 1 side burns out, the other side would work.

LED's do last a long time, but at the same time they are a mean rating which means a few die early.

it was just an idea

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[viridius]

I see...yeah if you had a current-sense circuit in there, it could make the switch.