SBX IP 320 Installation Guide
Chapter 10
Troubleshooting
PROBLEM
CAUSE/SYMPTOM
SOLUTION
SYSTEM POWER
FAILURE
Power short circuit in some board(s) Exchange the malfunctioning board for
one in good working condition.
Dust each board with a dry cloth.
Check the PSU fuse.
Replace the PSU with an identical one.
LD1-4 LEDs on the MBU are All ON
or All OFF
SYSTEM DOES
NOT OPERATE
Power short circuit in some board(s) Check the connection of each board with
the MBU.
Check the PSU.
Check for a short circuit on the MBU or
other boards.
Press the Reset button when the DIP
switch (SW1for database protection) is in
the default position.
Bad board connection
System database not working
DKTU DOES NOT
OPERATE
Bad extension circuit
Exchange the malfunctioning board for
one in good working condition.
Bad connection between the
MBU/EMBU/CHB308 and DKT
Check the connection between the SLT
line and DKT on MDF, and fix any
mismatching.
Repair any broken connection between the
System and DKT.
Proximity of DKT and System
Check the distance between the
MBU/EMBU/CHB308 and the DKT
Bad DKT
Plug the DKT into another extension port
that has been verified as working. If the
DKT still does not work properly, replace
the DKT.
SLT DOES NOT
OPERATE
Bad MBU/EMBU/CHB308 board
Exchange the board for one in good
working condition.
Bad connection between the
MBU/EMBU/CHB308 and SLT
Check that the board connection between
the lines of the SLT and DKT on the MDF,
and fix any mismatching.
CO LINE
OPERATION
FAILURE
ANCR fail
Check the U8 (Voice processing and Tone
detection device).
Bad connection
Check all connections.
EXPANSION KSU
DOES NOT
OPERATE
Power ON sequence
Turn on the Basic KSU after turning on the
Expansion KSU. Then press the Reset
button.
Link cable connection
Check the link cable to verify the
connection and its working condition.
Содержание SBX IP 320
Страница 1: ...Installation Guide SBX IP 320 ...
Страница 4: ......
Страница 29: ...KSU Installation 3 11 Chapter 3 KSU Installation SBX IP 320 Installation Guide Figure 3 4 Mounting Template ...
Страница 40: ...Expansion KSU Installation 3 22 Chapter 3 KSU Installation SBX IP 320 Installation Guide ...
Страница 58: ...Other Board Installations 4 18 Chapter 4 Board Installation SBX IP 320 Installation Guide ...
Страница 84: ...Basic Programming 6 16 Chapter 6 Starting the SBX IP 320 SBX IP 320 Installation Guide ...
Страница 100: ...Starting S W Upgrade 8 8 Chapter 8 Software Upgrade SBX IP 320 Installation Guide ...
Страница 142: ... Data Display Area 9 42 Chapter 9 Remote Diagnostics SBX IP 320 Installation Guide ...
Страница 148: ...Index IND 4 SBX IP 320 Installation Guide ...