Spicewine temp control

I was running my spicewine small yesterday for the first time dry and with a iq 120. For the most part it held temp really well, but every now and then I would get a huge spike in temp. It would be 250, then I'd work on the food and slide the rack back in and the temp would spike to 310... door would only be open for 10-15 seconds, no fire or anything. My only thought was that when I pushed the rack back in, the probe went back a little further than before and that the heat was traveling straight up the side of the wall. And the fire was near the back half of the charcoal shelf.

Anyone else have this issue?

I moved the probe towards the front, and the temp read 250ish again. So Im hoping thats all that it was.

ButtBurner said:

also when you opened that door you fed the fire a huge amount of air. Even if was open for a few seconds.

thats why it spiked.

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If that's the case, wouldn't it spike with or without water?

I understand the reason for water, and adding air will increase the fire. I was really just wondering about the placement of the probe, and if the back of the racks are hotter