I am starting to worry now. Please help.

Discussion in 'Incubating & Hatching Eggs' started by adroit14, Nov 20, 2015.

  1. adroit14

    adroit14 Chirping

    Apr 7, 2015
    My hova bator 1602n is starting to screw up. and I have eggs coming on Monday. It is going through big temp swings. I added a fan to it so it's a forced air incubator. The temp is set up to 99.5 f. It goes to 100 f then down to 97 f. Please help. I have checked the wafer and it rises fine but I don't know. What could it be? Thank you

  2. GitaBooks

    GitaBooks Crowing

    Jun 23, 2015
    I'm not an expert on incubators, but it could possibly be the temperature of the room the incubator is in. The room should have a constant temperature and with winter coming, it may be that the cold temperature outdoors and the heating devices indoors are causing temperature swings.
  3. shortgrass

    shortgrass Crowing

    Mar 14, 2015
    Northern Colorado
    Yep, I agree...that or the fan you added is blowing on the thermostat, causing it to kick on to get back up to 100.... Have you put a second thermometer elsewhere in the 'Bator to check for consistent temps?
  4. JetCat

    JetCat Songster

    Oct 26, 2015
    Southeast Alabama
    that's a normal temp swing for a wafer type thermostat. adding mass to the incubator will help control the swing. if it's full of eggs you don't need anything additional but while setting it up and tweaking a few bottles of water serve the purpose. a water bottle is also helpful if you don't have a full set of eggs.

    what you want is to have the swing average around your desired temp of 99.5. with your 3 degree swing that would be 98-101, that will give you an internal egg temp of pretty close to 99.5
    Last edited: Nov 23, 2015

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