An alternative way: Make sure that the 5 blocks around the furnace (Except bottom - it doesn't matter) is air, or unblocked. Then it should open.
Set view distance to at least level 2 (of totally 5)
Occurs only when not exposed to direct sunlight.
2014-06-14, 03:20:01 AM UTC
An alternative way:
Make sure that the 5 blocks around the furnace (Except bottom - it doesn't matter) is air, or unblocked. Then it should open.
Set view distance to at least level 2 (of totally 5)
Occurs only when not exposed to direct sunlight.