How to solve an empty sound despite new batteries?

Step 1

• Take the smoke detector off its back plate.
  
  

Step 2

• Take out the battery.
  
  

Step 3

• Take a piece of metal, electrical wire or even better, a bent paperclip.
  

Stap 5

• Place one end of the paperclip on one of the battery contacts (see image to the right) and place the other end on the second battery contact.
  

Step 6

• Insert the battery again
  
• The issue should now be resolved. Your smoke detector should no longer beep inless the battery is truly empty.