Error code 769
With Aux Data 40988, this error type indicates that the EPF/PTC circuit has been turned off due to an over current condition.
For TN754 vintage 13 or earlier and TN413, the EPF circuit senses an over current condition at the voice terminal.
Check for a short in the wiring, a damaged jack, an incorrect type of voice terminal, or a defective voice terminal.
For TN754 vintage 14 or later, TN754B and TN2136, the PTC will open if there is a short on the power line for 1/2 second or longer.
The voice terminal is probably not operating properly.
Unplug the voice terminal for 30 seconds and then plug it back in.
If the voice terminal still does not operate, then check for a short in the wiring, a damaged jack, an incorrect type of voice terminal, or a defective voice terminal.
Once the problem has been resolved, it may take up to 1 hour for the alarm to clear due to "leaky bucket" strategy.
If the problem cannot be resolved by one of the steps above, then replace the circuit pack.
This article gives information on TN2224CP Sleepy Set:
A "sleepy set" has to do with the new TN2224CP circuit pack.
The ports on the pack and go Out of Service (OOS) if the pair to a port gets shorted, clipped, bumped, or interfered with during an installation or repair visit by Avaya, BusinessPartner, or user.
This means the IW, terminal closet, jack, or switch room, any place the ports are exposed to areas accessible by telecom people.
Some of the symptoms have been losing the displays, ports getting blown away and not restoring, having to busy reset and release the boards, reseating the boards to restore service.
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