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Thread: Heaters not logging / working properly

  1. #1
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    Heaters not logging / working properly

    I have two heaters connected to my Apex Jr. They both have logging enabled.
    They both stopped logging two days ago. The temperature started drifting down then. They do seem to be still turning on and off, but the temp is now 78.2. They are using the season table so should be around 80 today.

    What should I do?

  2. #2
    Frequent Contributor zombie's Avatar
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    Do they have an internal thermostat? If so is it set at least 80?

    You might be an engineer if...You have no life and can prove it mathematically.

  3. #3
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    Yes, they're eheims. And yes, the thermostats were set to around 81. I turned them up a bit to be sure.

    I went back to my code:

    Fallback OFF
    Set OFF
    If Output Heat1D1_A1 = ON Then ON
    If Output Heat1D2_A2 = ON Then ON
    If Output Heat1N1_A3 = ON Then ON
    If Output Heat1N2_A4 = ON Then ON

    I removed the set off last night and they came back on and the temp started climbing.

    Then they stayed on past where they should this morning so I added the set off back in and they switched off.

    The temp has now dropped back to the target level and the outlets came back on as they should. And the heaters are on as well. Will watch the temp.

    Still hasn't fixed the logging issue though...

  4. #4
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    Ok, so now the logging is working as well. Which is nice, but I don't know why it wasn't before. I'm left a bit uncertain about the whole system and less comfortable trusting it...

  5. #5
    Frequent Contributor zombie's Avatar
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    What is the VO code?

    You might be an engineer if...You have no life and can prove it mathematically.

  6. #6
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    [Heat1D1_A1]
    If Temp < RT+-0.1 Then ON
    If Temp > RT+-0.1 Then OFF
    If Time 21:00 to 14:59 Then OFF

    [Heat1D2_A2]
    If Temp < RT+0.0 Then ON
    If Temp > RT+0.0 Then OFF
    If Time 15:00 to 08:59 Then OFF

    [Heat1N1_A3]
    If Temp < RT+-0.3 Then ON
    If Temp > RT+-0.3 Then OFF
    If Time 09:00 to 02:59 Then OFF

    [Heat1N2_A4]
    If Temp < RT+-0.2 Then ON
    If Temp > RT+-0.2 Then OFF
    If Time 03:00 to 20:59 Then OFF

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