Cannot manually change nozzle temp

I’m attempting to do a cold pull as recommended in the bambu lab video.
The nozzle temp should be changed to 220. After I follow the steps to manually input the nozzle temp, nothing happens. The nozzle temp doesn’t change.
The display for the nozzle is 43/220. Meaning the current temp is 43 and desired temp is 220. I can’t determine what is preventing the nozzle temp from increasing.

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I turned the printer off/on and was able to change the temp. Not sure what happened.

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