problems with heater...? - The Planted Tank Forum
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post #1 of 3 (permalink) Old 03-01-2014, 04:08 AM Thread Starter
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problems with heater...?

Has anyone ever had issues before with a heater making weird noises? Lately I've been hearing this weird knocking noise coming from the area where my tank is at.

I kept trying to pinpoint what it was, but couldn't figure it out. Sounded like it was coming from inside my tank. I turned off the heater and it stopped.

I tried moving the heater around a little bit to see if that would help, and well the noise has stopped mostly but it seems the heater isn't working now. It appears to be on but the tank water is very chilly. its usually around 80 but its stuck now at 74.

if it makes any difference, it's an aqueon....

Anyone had anything like this before?
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post #2 of 3 (permalink) Old 03-01-2014, 05:46 AM
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Your heater is fried . The weird noise is most likely the thermostat turning on and off.


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post #3 of 3 (permalink) Old 03-01-2014, 05:55 AM
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Aquarium heater failures are (relatively) common; I would unplug the heater, and get a new one, as operating this one under the current condition might be dangerous (both electrically, and also as a hazard to your fish).

Heaters can get stuck in the always on/always off position...I suspect it would be something to do with the bimetallic strip.


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