Samsung SHS-3420, User Manual

1

When the lock doesn’t function correctly, please check the items below.
If you can’t resolve the problem, please contact the nearest service center.

Problem

Resolution

Reference

There is no power.

●  Check if the batteries are inserted in the correct polarity.
●  Check that the batteries have a full charge.
●  Check that the Exterior Unit cable has not come loose.

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I can’t change the 
Master PIN Code. 

●  There  was  a  delay  while  changing  the  PIN  Code. The  number 

pad must be illuminated when changing the PIN Code. Also, after 

entering the first digit, the next digit must be entered within 10 

seconds. 

●  Replace the batteries if they are discharged.
●  Refer to the ‘Registering/changing the Master PIN Code’ section 

in  the  user  manual  and  try  again.  Ensure  that  the  Master  PIN 

Code is 4~12 digits long. 

Page 13

I can’t register the User 
PIN Code.

●  The  User  Number  has  already  been  used.  Delete  the  desired 

User Number and re-register.

●  Ensure that the User PIN Code is 4~12 digits long.

Page 13

I can’t register the User 
Card.

●  The  User  Number  has  already  been  used.  Delete  the  desired 

User Number and re-register.

●  Ensure  that  the  card  is  touched  to  the  card  reader  within  10 

seconds of entering the User Number.

Page 14

I entered the PIN Code 

and pressed the [ ]        

button, but the door 

won’t open. 

●  Check that the registered PIN Code was entered correctly. 
●  If  the  number  pad  illumination  turns  off  while  entering  the  PIN 

Code, the button input was not registered. Press the 

[Wake Up]

button to illuminate the number pad and enter the PIN Code again 
from  the  beginning.  (The  number  pad  illumination  is  turned  off 
automatically if there is no input within 5 seconds)

Page 13 

I can’t unlock the door 
with my Card. 

●  The Card is either unregistered or unrecognized. 
●  The Card must touch the Card reader correctly.

Page 14

I can’t unlock the door 
with my PIN Code or 
Card. 

Check if the Double-locking function has been enabled. When this 

function is enabled, the lock will not open with a PIN Code or Card.

Pressing the 

[Wake Up]

 button when the Double-locking function is 

enabled causes the lock to emit a ‘Too~~t, too~~t’ sound.

Page 15

My PIN Code or Card is 

authenticated, but the 

door won’t open.

 The lock may be malfunctioning. Please contact service center.

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Troubleshooting