Panasonic KX-TD500 Installation Manual page 266

5.2 Troubleshooting Guide
No
Fault
No
No
NG
266
Alarm LED on
Is it possible to read out the
Error Log records?
Check the status of the
following:
OHCA TSW
CONF TSW
LPR
SMDR
Is Error Log record printed
out?
Is the Local Alarm reported?
Infer the defective device
through the User's report or
the indication of the LED on
the card.
Repair or replace the
probable defective device.
Consult the nearest Service
Center.
End
Yes
Not Fault
Yes
Yes
Troubleshoot by consulting
the Error Log Record List
NG
OK
OK
Troubleshooting