What is make and model number of the pump?
What does the nameplate and instructions say?
No guessing allowed at the breaker panel. Either you know exactly, or you leave it alone until you read those labels and learn how to use a voltage meter, possibly inside the live panel, and this is only for those that can safely work on live lines with proper protective gear.
You mention 230 then 220. Which is it? And inside the panel,if in North America, is 240 volts. 230 volt motors work fine on 240 volts.
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