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There is voltage on the capacitor, but the charging fault is displayed on the screen.
In this case,Please make sure there is voltage on the capacitor,
https://youtu.be/jmaCOQxMlO4
There is a 10 pin connector on the control board that is connected to the IPL power supply,
Please check which optocoupler is connected to the second pin of this connector,
After charging, the control board will get a signal from this pin,
I think the problem is that your control board doesn't get this signal, so the control board doesn't think it's charging,
You can short-circuit the optocoupler, so the controller will think that the charging is finished,
This is our control board , but almost all of them work the same way
In this case,Please make sure there is voltage on the capacitor,
https://youtu.be/jmaCOQxMlO4
There is a 10 pin connector on the control board that is connected to the IPL power supply,
Please check which optocoupler is connected to the second pin of this connector,
After charging, the control board will get a signal from this pin,
I think the problem is that your control board doesn't get this signal, so the control board doesn't think it's charging,
You can short-circuit the optocoupler, so the controller will think that the charging is finished,
This is our control board , but almost all of them work the same way
