Eheim Jager 300 problem

Discussion in 'General Discussions and Advice' started by Adrian B, 4 Apr 2014.

  1. Adrian B

    Adrian B

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    Hi Guys
    Bought an Eheim Jager 300 yesterday, set it at 24 degrees, water went up to 27 and it still didn’t switch itself off.
    So switched it off myself and turned it down to 23 degrees and it hasn’t come on yet which isn’t surprising since my water has only dropped to 26 but no doubt temp will come down a few degrees overnight.
    My worry is if it the thermostat didn’t kick in at 3 degrees over the setting it might also not come on until 3 or more degrees under the setting ether which is sure to end in some unhappy live stock.
    Quick on line product review seems to indicate this is not an uncommon problem but you can recalibrate your thermostat.
    Seems like a whole lot of admin for something that should surely work out the box.
    Anybody had a similar problem and solved it? Other than taking it back to the shop of course.
    Any input would be appreciated.
     
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  3. Dian6430

    Dian6430

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    Last edited by a moderator: 26 Nov 2015
  4. mwoost

    mwoost

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    Recalibration
    If, after a day or two in operation the setting scale does not correspond to the water temperature, refer to the following procedure to recalibrate the heater:

    Switch off the heater and unplug it from the electrical outlet.
    Measure the water temperature with an accurate thermometer.
    Turn indicator arrow (red) point to the measured temperature.
    Set the desired tank temperature with the temperature selector ring (blue).


    have you tried this?
     
  5. Adrian B

    Adrian B Thread Starter

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    Thanks, just given that a go will see if it made a difference shortly.
     
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