GAI-Tronics 69268-001 Amplifier Zone Interface II (AZI) - Manual (Page 6)

Pub. 42004-614L2C
69268-001 Amplifier Zone Interface II PCBA Page: 6 of 9
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Troubleshooting Reference Table
Status/
Message
Possible Cause
Suggested Action
On-Line LED
does not
illuminate. 1. Power is not applied to
the AZI II board.
• Verify power to the card rack assembly.
• Verify the AZI II board is properly seated in the
card rack.
• Call for service.
2. A component failure has
occurred.
• Replace the AZI II board.
• Call for service.
3. Board is not in the
configuration.
• Verify the proper board ID and board address
settings on the AZI II board.
• Verify MCU is configured as specified in system
manual.
• Call for service.
RTS LED does
not flash. 1. No external devices are
configured.
• Verify MCU is configured as specified in system
manual.
• Call for service.
2. A component failure has
occurred.
• Replace the AZI II board.
• Call for service.
EOL fault LED
is illuminated. An end-of-line (EOL)
external module is not
reporting.
• Verify the connection between the AZI II P2
connector and its mating connector in the card rack
assembly.
• Verify the connection between the P2 connector and
all the EOL external modules.
• Verify power to all the external modules.
• Verify the module addresses of the EOL external
modules are set properly.
• Verify the EOL resistor is installed.
• Verify the MCU is configured as specified in system
manual.
• Call for service.
No difference
in volume
detected
between normal
and emergency
volume levels. NORMAL LEVEL and/or
EMERGENCY LEVEL
volume control(s)
improperly set.
• Adjust the NORMAL
LEVEL and/or
EMERGENCY LEVEL volume control(s) until the
desired levels are obtained.
• Call for service.
Supervisory
tone level is too
low in all
zones. Supervisory tone volume
(SPVR
VOL) control is set
too low.
Rotate supervisory tone volume control, SPVR VOL ,
to increase volume level.