B6 Plus Series Standalone Access Controller User Manual V1.0
Sebury Technology Co., Ltd
http://www.sebury.com.cn
第
35
页
7 Common troubleshooting
Fault phenomenon
Possible causes
Troubleshooting
Indicator light is not working
properly
1. The power line is too thin, or the use of
no pure copper wire, resulting in voltage
is too low.
Replace thicker, qualified wire
2. Wrong connection or bad contact of
power line.
Wiring in the correct way.
3. Set the indicator light normal off
Set to normal mode.
Fail to enter management mode.
1. Hold the * key in front of the password
longer than 2 seconds.
Operate in the right way
2. Input wrong admin password.
Enter the correct password
3. Forget admin password.
Change by Setting card or press the # key
to initialize.
Can enter management mode, but
part of the menu is invalid.
1.can’t setting some menu in default
password, only can change admin
password.
Change Admin password.
2. The machine mode is incorrect, and
some of the menus are blocked.
Set to right machine mode.
User card can’t open the door
1. Ring three times if it is not the valid user
card.
Add the user card again
2. Ring three times if the user is disable.
Enable user.
3. Ring one time if the lock connection is
wrong.
Make sure the connection is correct.
Reading card distance is too close.
1. The use of substandard switching power
supply.
Change to linear power supply or connect
the housing to the ground.
2. Part of the electrical lock interference is
too large.
Choose the qualified lock or parallel
connect a 470uF/25V electrolytic capacitor
at the two ends of the lock
