8
1. Red power reversal LED is lit.
2. Will not trip ringing.
3. No output from amplified speaker
assemblies.
4. Unit will never release.
5. All call does not work
A. Reverse power connections to pins 29 and 30.
A. Verify 24 vdc on pins 29 (+) and 30 (-).
B. Verify ring voltage is present on pins 16 and 17 (75 vac
min.)
A. Listen for audio on 8 ohm output (pins 8 and 9).
B. Verify 24vdc to speakers (GND is +, 24 vdc is -).
A. Refer to the appropriate connection Figure and verity
dipswitches are set properly.
A. Verify connection s according to Figure 6.
B. Verify "all call out" of master unit is connected to "all call
in" of all other units.
C. Verify 8 ohm output of master unit connected to "all call
audio in" of all other units.
D. Verify proper voltage and polarity on pins 29 (+) and 30 (-
) of master unit.
E. Verify ring voltage is present on pins 16 and 17 of master
unit when all call number is dialed.
