First of all you need to ensure that your tripod is setup for equatorial. Adjust the tilt mechanism on the mount to the correct angle for your location. In Adelaide I set to 35 degrees.
Next ensure the telescope is set to polar align in the hand box.
Next, point your scope south, (if you are in the southern hemisphere), with the correct offset for your location. In Adelaide I set mine to 138 degrees on the compass I think from memory. Check your location. This will give you rough alignment.
https://www.myastroshop.com.au/guide...lign-basic.pdf
You will then need to do a drift align or some other method to get close to good alignment.
I setup my ETX 125 once for polar alignment, (not really designed for polar but possible), which is very similar to your setup. I used the solar noon method and some string when I did mine and I used a laser pointer mounted to the scope to scan up and down the string to get good alignment by small adjustments in the day time.
Unless you are doing all the above or slightly different versions of above then I doubt you will be able to polar align your scope.
This is all done before you even think about doing any star alignment.
Cheers and good luck.
Damien.