Rising floor won't!

There are a number of microswitches and emergency stop buttons which can prevent the rising floor from working:

• The gate onto the observing floor must be closed.
• The ladder to the observing floor also has a microswitch. May need to be given a push down from the observing floor.
• Emergency stop button by gate.
• Microswitch beneath cargo door adjacent to the control room.
• Emergency stop button by cargo door.