You may have to contact the company on that one.
Mine has never been exactly on temp I always go by my thermometer/hygrometer from incubator warehouse.
I just recently bought my second havobator genisis to have one for hatching and one for setting. In each incubators I use a digital hygrometer/thermometer made by incubator warehouse leave it on top of eggs and adjust my temp based on that. The controller on incubator is useless but now I have...
I know this is an old thread but I wanted to post for people as a reference and perhaps anyone can update with their experience. I just tried my first hatch in the digital display havobator 1588. I did not purchase the turner yet. At the end of day 22 I decided to candle since I had no movement...