Yale GATEMAN YDM 3109 User Manual - page 33

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4. Emergency mechanical key override

•

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.

A hole on

emergency key

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. 

•

Forgotten security code

•

Electronic malfunction

※

Please slide the cover downward

Pull down the

emergency cover