Spare fuses are provided in the accessories kit that came with your tree. To change a fuse:
Step 1: Unplug the tree.
Step 2: Slide up the cover on the plug as indicated by the direction arrow.
Step 3: Remove the blown fuse by wedging a small screwdriver or Allen wrench underneath to pry it up.
Step 4: Replace with the spare fuse provided in the accessories kit that came with your tree.