AT&T 3.0 manual 840D Incorrect Firmware State

Error Logs

Table 2-2 Continued

Error

Codes Description Action

840B NO LOOP CURRENT: communication problems between

the module and the central office. No loop current.

If this error occurs 4 times consecutively, and if Automatic Maintenance-Busy is enabled and the 50% maintenance-busy limit has not been exceeded, the trunk is busied-out automatically.

Replace the module with a similar module and test, If the problem is resolved, replace the bad module. If the problem persists, reinstall the old module and test the trunk.

840C	STUCK RINGING:				Replace the module with a similar
	Communication	problems between			module and test. If the problem is
	the module and	central office.			resolved, replace the bad module. If the
	If this error occurs four times				problem persists, reinstall the old module
	consecutively, and		if	Automatic	and test the trunk.
	Maintenance-Busy		is	enabled and

the 50% maintenance-busy limit has not been exceeded, the trunk is busied-out automatically.

840D INCORRECT FIRMWARE STATE:

If this error occurs 4 times consecutively, and if Automatic Maintenance-Busy is enabled and the 50% maintenance-busy limit has not been exceeded, the trunk is busied-out automatically.

Turn power off for at least 1 second and then turn it on. Repeat system programming procedure. If problem persists, replace the module.

Continued on next page

Error Logs, Access Logs, and System Inventory 2-17