Global Link Ultra ES Pro Smart Lock
Instructions
August 2021
Page 19
Troubleshooting
Issue
Possible Causes
Solution
User PIN does not lock or unlock
the door
PIN is incorrect
Confirm the correct PIN or use
the factory default PIN.
Key was not pressed to wake the
keypad before entering the PIN
Press any key to wake the
keypad and then enter the 4-digit
PIN.
User PIN was erased
Use the factory default PIN to
reprogram the user PIN.
Lock does not pair with app
Bluetooth is not enabled for the
mobile device
Enable Bluetooth for the mobile
device and attempt to pair again.
Airplane Mode is turned on for
the mobile device
Turn off Airplane Mode for the
mobile device and attempt to pair
again.
Lock was not detected by the app Move near the lock and attempt
to pair again using the PAIR
button on the inside of the lock.
App lost connection with the lock
during pairing
Move near the lock and attempt
to pair again.
App cache is corrupted on the
mobile device
For iOS devices, close and
reopen the app. Then attempt to
pair again.
For Android devices, close the
app, manually clear the cache
from the app info menu, and
reopen the app. Then attempt to
pair again.
Lock does not respond to app
Mobile device is too far away
from the lock
Move closer to the lock or away
from obstacles between the
mobile device and lock.
App is disconnected from the lock Make sure the lock’s battery is
not low. Then on the app’s home
screen, tap the lock’s grayed-out
padlock icon to reconnect the app
to the lock.
User PIN was changed at the
lock
Reprogram the user PIN at the
lock to the user PIN set in the
app.
Lock had been paired with the
user PIN and subsequently
restored to factory settings
Remove the lock from the app.
Then re-Pair the app with the lock
using the default factory PIN.
continued