AT&T PagePac Plus Installation And Use Manual page 53

Table 4-1. Troubleshooting (Continued)
Problem
Power LED not on.
Low Volume on the output.
Talk-back does not work.
Noisy Talk-back
Remote Amplifier not
receiving audio.
Distorted, garbled, or raspy
sound from all speakers
connected to Amplicenter
Page Access LED won't go
off.
4-6
Maintenance and Customer Support
Verify power cord is connected at both ends.
Using a voltmeter, check for AC Voltage at the wall outlet.
Defective controller. Return for repair.
Adjust DTMF gain control in the PagePac Plus Amplicenter.
Check the zone option switch, make sure that the switch is in the 70 volt
position.
Check programming options for the proper settings.
Check the Telephone Mode Selection Switch on the PagePac Plus
Amplicenter. Make sure that it is the Dry Loop, 600 Ohm Mode.
Check the wire to see if shielded cable was used.
Make sure shield for cable is only tied to the controller end.
Change cable to shielded if needed.
Remove shield at the speaker end.
Check audio connections on pins 3 and 4 of J3.
Check the zone option switch, make sure that the switch is in the
Contact Closure Output position.
Failed Amplicenter. Return unit for repair.
Music input level too high. Turn down.
Shorted circuited speaker leads. Separate.
Speaker transformer failed to a short. Replace.
Page VOX too sensitive. Adjust.
C1 lead in-advertently grounded. If Loop start and Ground start, check
that only 2 wires (tip and ring) are connected by the modular plug cord.
Corrective Action