Please make sure release the key lock first then use the combination.
UNLOCKLOCK
No password memory system for Model1610,1635,1640, the replacement of electricalprocesses such asmore than 10 seconds, the password will automatically resetback to theoriginalpassword.If you forget yourpasswordpleasecheckthe originalpassword or contact us.
Key in your combination, the green light on and hear the cick sound and push down handle and open the safe.
Caution: Who have changed the battery is still not open the safe, it recommended customer first unplug the battery more than 24 hours then plugin new battery to try it again or contact us.