Photo above shows that when cleaning for the fist time or a blockage is detected. Start by removing the grating by twisting anti-clockwise to unlock and lifting it up.
Next step is to remove the container & bell cap from the trap. Twist the container from left to right to free any debris that might prevent this procedure.
You might notice that in some cases that the debris is trapped at the base of trap after container is removed. This has to be properly cleaned.
Clean the container by using a hose to flush and clean the internal and external surface.
Remove access debris from internal of trap by means of removing by hand or using a spoon to scoop using a hose to flush away left over debris.
Once the floor trap is clean internally, you may replace back the internal container & bell cap and grating. Push container & bell cap into body of floor trap slowly until it sits at the bottom.
Drop in grating into floor trap and twist clockwise to lock it.
Once complete, please pour some water in bathroom to check for flow. All surface water should drain away quickly and should not stagnate.