Those error codes are definitely related to a drain error, the first thing you will want to do is check the pump to see if it has debris or anything lodged in it to keep it from draining, if not you will have to replace the pump, below I have linked a video to show you how to replace the pump, just remember that the washer in the video does not have water in it, if yours does when you pull the hoses off the pump all the water in the tub will come out. The best way to avoid this is to remove the water out of the tub with a wet vac.
Here is the replacement part in case you need it;
Here is the video go to about the 1 minute and 29 second mark to see the pump replacement, you do not need to remove the control panel as shown in the beginning of the video:
Video click here
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