Troubleshooting - Valcom PagePac Plus AmpliCenter Series Installation And Use Manual

Troubleshooting

Some common problems encountered when the paging system is not operating are described below. Check each item in
the order listed.
1. No AC power to AmpliCenter.
2. Host telephone system inoperative.
3. Host system page port or trunk port inoperative.
4. A hardwire disconnect between host system and PagePac
5. AmpliCenter switch settings not set correctly.
If the problem has not been resolved by checking the preceding items, follow the steps described in Table 1.
The overload LED will blink during shutdown mode and reset after 30 seconds up to five times. On the 6
the LED will remain on until the short or fault is removed and power is cycled to reset the amplifier.
Table 1: Common problems
Problem
Page access from telephone system
working, but page is not heard.
Background music cannot be heard.
Distorted, garbled,or raspy sound from all
speakers connected to AmpliCenter.
Green power LED off.
Page access LED won't go off.
® Plus.
No power to AmpliCenter.
Host system not passing audio through to AmpliCenter.
Telephone mode selection switch not set correctly for host telephone system.
Ground start - Tip and Ring reversed or AmpliCenter not grounded.
Audio signal not reaching speakers. Check wiring at AmpliCenter. Verify Page Accessed
LED is on. Verify Audio at 70V output terminals.
Input level not set correctly. Adjust music input level on AmpliCenter.
No power to music source. Verify power is on.
Radio off station. Adjust tuner. Verify audio at music input.
Music input wires crossed, with signal grounded out.
Short circuit or ground on speaker leads. Test speaker wiring with meter.
Music input level too high. Turn down.
Speaker transformer shorted. Replace.
Failed AmpliCenter. Return for repair.
AC outlet receptacle is not live. Check outlet circuit breaker or use another outlet.
Power cord is loose.
Inoperative AmpliCenter. Return for repair.
Page VOX too sensitive. Adjust.
Cl lead is grounded. If loop start or ground start, check that only 2 wires (Tip and Ring)
are connected by the modular plug cord.
7
Corrective Action
th
shutdown