Set your oven to self clean by touching “Self Clean” on the touch pad. Then choose your desired clean time, between three and five hours. On all Spectra models it is automatically set for four hours. On most models, you choose either — or + to adjust the time.Click to see full answer. Also to know is, how do you self clean a GE Spectra oven? How to Clean the GE Spectra Oven Remove everything from inside the oven including racks, drip pans, foil and broiler shelves. Close and latch the oven door. Set the oven to “Self Clean” and leave it for four hours. Leave the oven for at least another hour, or until it is completely cooled. Open the oven and inspect for any white salt residues. Likewise, can you use the cooktop with oven is self cleaning? However, depending on model, the cooktop will not turn on during the self clean cycle. This is a safety feature so that you do not harm yourself while cleaning the oven. In the self clean cycle the oven is getting up to extremely high temperatures. Also Know, how does self clean work on GE oven? Self-Clean Ovens The oven is cleaned by heat, at temperatures above normal cooking temperatures. During the cleaning cycle the oven is heated to about 880 degrees Fahrenheit (471° C.). At this temperature, food soils inside the oven decompose, leaving behind a small amount of ash.How long does it take to self clean a GE Spectra oven?Set your oven to self clean by touching “Self Clean” on the touch pad. Then choose your desired clean time, between three and five hours. On all Spectra models it is automatically set for four hours. On most models, you choose either — or + to adjust the time.