asterisk channel zap error

I am getting an error repeating over and over again.

chan_zap.c: Alarm cleared on channel 3

It seems like it's pointing to a Diguim Analog card, but not sure how to troubleshoot from here.
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That is just saying the alarm cleared. You will need to find the message generated when the alarm is detected in order to have a clue what the problem is.

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If you lose the phone line/ dial tone on a FXO port it will throw a red alarm,  shows in the log file as 'chan_zap: Detected alarm on channel X: Red Alarm'.

When the line is restored to the port it will show the 'Alarm Cleared' message.

If you have a phone line giving you trouble you probably will find a number of alarm and clear messages in the log.

The asterisk log file is typically /var/log/asterisk/messages but can be in a different location on some distros.

hi, is the error only on channel 3? try swapping line 3 and line 2 and see if the problem follows the port or line
other things to look at that may provide information to help you solve it

#lspci –vb
#cat /proc/interrupts

cli> zap show status
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