My freezer is not defrosting correctly

General
1

Please make sure to click on General above and select the correct appliance type first.

Brand:Hotppoint

Model Number:hts18gbnaww
Main Symptom:Frozen water in freezer
What happens & when:water is not draining from freezer compartment

Error Code (if any):
Parts or tests already tried:defrost timer is working, can’t figure out how to remove the back panel, to check for a heating element
Photos / video link:

2

Remove/melt any ice from the back panel in the freezer and remove the screws holding it in place acroos the top of the back panel.

Panel
Panel334×224 10.9 KB