35
7. Trouble shooting
Malfunction phenomenon
Elimination method
Unlocking error
A. Check the indoor switch button if it works properly.
B. Check the reverse diode linked to lock if it is connected correctly.
C. Check if the connection between lock and door station is correct or not.
Door station calling indoor phone, but indoor phone
doesn’t ring and doesn’t have image.
Check distributor address/number setting to see whether the
address/number is repeated or not.
Door station calling indoor phone, indoor phone rings
but has no image
Check whether PS port on gate way connects to ground or not.
Door station calling indoor phone, the image is not
clear.
Check whether one of the video lines is off or not. Or check whether the
video matching resistance is connected correctly or not.
Door station calling indoor phone, the volume is small. Check whether one of the audio line is off or not.
Supply power for door station, the screen works but
the button does not work.
Check whether the button bounce back after pressing or not.
Door station calling indoor phone, but indoor phone no.
doesn’t exist.
Check whether door station has set relative indoor phone no. or not.
Door station calling indoor phone fails.
Check whether the wiring is correct or not.
Door station calling indoor phone, indoor phone
indicator light is showing busy, but indoor phone
doesn’t ring.
A. Check if the port on distributor connected to indoor phone is right or not.
B. check if the port on gate-way connected to door station is the same with
real setting.
Door station calling guard unit, no echo ringing, guard
unit rings, when pick up the handset of guard unit,
guard unit shows it is in conversation, but no voice and
image.
A. Check if gate-way port set on door station is correct or not.
B. Check if the wiring through gate-way is right or not.
C. Check if the setting on switch is in accordance with reality, the switch
indicator light can be for your reference.
Guard unit has abnormal alarming.
Check if door station’s GS port has been connected to GND port or not?
20
IV. Indoor phone data upload
[Note] This function is for upload indoor phone data saved in door station to gate-way when in network.
Step 3. Testing basic functions
To test and check each device whether they work properly or not.
1. Door station calling indoor phone
Input room No. on door station to call indoor phone, indoor phone answers and unlocks the door.
Malfunction 1. Door station shows: Err2 (It means there is no response for calling).
● Check the wiring between door station and gate
-way, distributor and gate-way
● Check if the DIP digit set in distributor is the same with the indoor phone setting on door station.
Malfunction 2. Door station enters ringing status, indoor phone doesn’t response.
●Check wiring between indoor phone and distributor.
2. Accessory door station calling indoor phone(only for system with accessory door station)
Dial room no. on accessory door station to call indoor phone, indoor phone answers and unlocks the door.
The problem phenomenon and solving method of the accessory door station is the same with the door station
3. Indoor phone monitor (only for video system)
Press monitor button on indoor phone to monitor the door station.
In the menu of P7, input
4
#
. The LCD will show as P13,
finally the LCD shows the upload result which is P14
Press [*] back to P2.
(14)
(13)