Emergency Mechanical Key Override - Yale GATEMAN YDM 3109 User Manual

4. Emergency mechanical key override

Please operate the lock with the mechanical key when there is a problem to the lock or unlock the door that is the same
as below listed.
¦ U Forgotten security code
¦ U Electronic malfunction
¡ Ø Please slide the cover downward
Pull down the
emergency cover
Keep the mechanical override key in a safe place.
Otherwise, you may not get a free after-sales service even within during the warranty period.
32
A hole on
emergency key