judyw Posted August 20, 2010 Report Share Posted August 20, 2010 I bought a secondhand tank which included an eheims 2313 filter/heater combination. I know, 2 eggs in 1 basket, but tidy Question is, what does the light mean. I switched it on, got a continuous red light, then it changed to flashing. I have downloaded a manual but all it tells me is which way to turn the thermostat, not what the light means. I have a temp of 28.8C and although I have turned the dial down many times, I still have the blinking light and no reduction in temp. :bounce: I am wondering if the blinking light is some sort of alarm. Can anyone help ? Quote Link to comment Share on other sites More sharing options...
ryanjury Posted August 20, 2010 Report Share Posted August 20, 2010 At a guess I would say the light is an indication of when they heating element is on and would be hooked in with the thermostat. In normal operation I would expect it to be on/off for reasonable lengths of time. If it is flashing on/off fast then maybe it is some sort of error code but I don't know how advance these things are and if they have any sort of electronics that allows them to do that.. Quote Link to comment Share on other sites More sharing options...
phoenix44 Posted August 20, 2010 Report Share Posted August 20, 2010 Wow. That is one ancient filter! I can only imagine that flashing would indicate heating, and off / stable light means target temp is reached. They are a very old filter, and one of the original thermofilters, so I doubt its an error code of some sort. Quote Link to comment Share on other sites More sharing options...
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