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Häfele DL7900 - Troubleshooting; Pairing and Connectivity Issues; Lock and Battery Malfunctions; Keypad and Access Code Problems

Häfele DL7900
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15
Restart Hafele Access app on your mobile device
Update your Hafele Access app to the latest version
PIN codes may have been Modied or expired
To open the battery compartment, slide the cover
upwards and replace all eight batteries
Make sure you have enabled Automatic locking
mode for the lock
Troubleshoot
Pairing is unsuccessful
username and password
Update your phone’s Operating system to the
latest version
Restart the Bluetooth and internet connection
your mobile device
Switch to a new set of batteries
Use a 9V battery to jumpstart and switch to a new
set of batteries
Keypad does not light up
The mor
tise is low in battery
Switch to a new set
of batteries
Make sure that the generated PIN codes are
activated within the given hours
Do a Bluetooth Unlock to refresh the app
Generated PIN codes do not work
Changing Batteries
Do a Bluetooth unlock to refresh the
battery level on the app
Batter
y lev
el shown in the app may not be
accurate
Use Alkaline batteries only
Do not use: Heavy duty, Eveready, GP or
rechargeable batteries
Lock is not working when
battery level is not 100%
Restart the Bluetooth and internet connection on
your mobile device
Check on the timezone of the home listing against
your phone time
Check if the Bluetooth Key is expired. It must be
accepted within 1 hour of generation
Switch to a new set of batteries
Bluetooth Key is not working
Check batter
y level of the lock
Re-lock is not working
Check if the mortise is in keypad lockout mode or
security lockout mode
Check that your lock is not muted
Refer to Lock Tutorial - Step III.3.a
Keypad lights up on touch only
* Using high quality batteries will improve the
performance and lifespan of the lock
Keypad is ickering
Try with a dierent mobile device, using the same

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