Hi, I'm jumping in here. I started hatching with my 1502 last year. Followed the instructions and kept the temp at 100, humidity in mid 40s with water in the pan, used the auto fill bucket and added a sponge for increased humidity to 60s during lockdown and hatching. 
Had great hatch rates with chickens and quail but only 60-70% on peafowl. Was very frustrated with the pea hatches. Think the humidity being high half of the time while hatching in the bottom hatching tray weekly didn't let my pea eggs loose enough weight / fluid and they were drowning. This year purchased an older used gqf hatcher, has the electric but not digital heater. Hatching turkey eggs, which are just like peafowl and made some adjustments as suggested by the turkey hatching thread and porters turkey website. Have had the last 3 hatches hatch 100%. Dropped the temp in incubator to 99.5, no water added with humidity running 22-25%. Hatcher has water in tray with one sponge to run 65-70% and temp 98.5. I will incubate and hatch my pea eggs the same and see if I can get the same results, that is as soon as they start laying lol. Hope this helps you.