What's going on here ? My heat pump is making waves

My Daikin has been showing this wonderful wave pattern over the last few days, now it’s decided to stop and looks much smoother in operation. The weather has warmed up but it was doing this at a similar temperature previously. Can anyone explain what’s happening and if I should be worried.
https://emoncms.org/app/view?name=MyHeatpump&readkey=087f866fe33c980a1c700a62d5b51f4c

Hi @JuliaC

While I don’t have a Daikin myself, I know that some heat pumps do this and it’s perfectly normal. I have a Samsung and they’re notorious for it.

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