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4.1 Troubleshooting
Installation Manual 119
List of Errors and Solutions
The tables below list the errors and their solutions.
When an error whose error code is indicated with "*" occurs in the PBX, the ALARM indicator on the front
of the cabinet turns on red, and the system logs the error information.
When the error conditions indicated by the error codes "021", "091", "092", and "510" are recovered, the
ALARM indicator will turn off automatically, indicating successful troubleshooting. When other errors are
logged, the ALARM indicator will turn off only when the log for major or minor errors is cleared from the KX-
TAW848 Maintenance Console.
In other words, the ALARM indicator will turn off under the following conditions:
• When the errors "021", "091", "092", and "510" are logged: when the error conditions are
recovered
• When other errors are logged: when the log for major or minor errors is cleared from the KX-
TAW848 Maintenance Console
Optional Service Card Initial Self Diagnosis
System Start-up and On-line Operation
Error Code Error Message PROBABLE CAUSE SOLUTION
212 Echo canceller
access error
• Optional service card
malfunction: ECHO
• See if the corresponding optional
service card is installed properly
• Pull out and re-insert the
corresponding optional service card
• Press the Reset Button
• Replace the corresponding optional
service card
216 MSG card DSP
error
• Optional service card
malfunction: MSG
217 MSG card data
error
• Optional service card
malfunction: MSG
• Erroneous recording of
messages
• See if the corresponding optional
service card is installed properly
• Pull out and re-insert the
corresponding optional service card
• Press the Reset Button
• Re-record the messages
• Replace the corresponding optional
service card
Error Code Error Message PROBABLE CAUSE SOLUTION
000* MPR WDT
overflow
• Main Board (MPR)
malfunction
• Erroneous processing of
Main Board (MPR) software
• Software error due to external
factors
• Press the Reset Button
• Reprogram the PBX
• Replace the PBX
001 SDRAM bit error