Hello, Thank you for using this service, I will be helping you with your problem today
heres the owners manual which has the calibration instructions in it. click this blue link. http://www.managemylife.com/mmh/owner_manuals/10936/WHIRLPOOL-Built-In-Oven-Electric-L0804036 hope this helps, thanks , Bryan
Tried the adjustment to the settings as in the owners manual. Still experiencing temperature fluctuations. Is there more adjustments or cleanings or must we replace some parts of the temperature sensor system?