What does it mean? Idom: "come back on it"

I ask my boss one question. I want to konw whether the machine can run normally. And he give me a reply “I cannot imagine there would be issue but will come back on it.”

So what dose it mean? Especially the idom “come back on it”.

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He means he will check it out later, I think.
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I think so, but not sure.
Thank you!

“to come back on it” in this instance means that he will let you know later whether it is an issue or not.