GAI-Tronics SSM110 Card Rack Assembly - Manual (Page 27)

Pub. 42004-669L2E
SSM110 Card Rack Assembly Installation, Operation, Maintenance Manual Page: 25 of 26
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Status/
Message
Meaning
Suggested Action
EOL Fault LED
is illuminated. The EOL station is
not reporting.
• Verify the proper wire connections on terminal block.
• Verify power is applied to the EOL station.
• Verify the EOL station is installed.
• Verify the proper MCU configuration.
• Call for service.
GND Fault LED
is illuminated. A conductor on
the page line or
party line 1 is
grounded.
• Identify which conductor is grounded, by measuring the
resistance to ground of each conductor. Then, remove
ground from the associated conductor.
• Call for service.
No audio in the
Page/Party
®
zone.
1. The audio
path is
impaired.
• Verify the proper wire connections on terminal block.
• Call for service.
2. MCU
configuration
is not correct.
• Verify the proper MCU configuration.
• Call for service.
Station receiver
sidetone is high. The page line
balance needs
adjustment.
• Adjust the page balance.
• Call for service.
Access Panel with Display
1. Notify plant personnel of a system shutdown prior to servicing the unit.
2. Disconnect power before connecting external wiring or installing or removing the access panel.
Symptom Action
All access panel indicators are flashing and
the buzzer is sounding.
• Verify that the twisted-pair data cable is properly
connected between the access panel and the card rack.
• Verify that the card rack is on-line.
Push buttons are not operative. Verify that the access panel push buttons are properly
configured by the system software configuration.
Switch lamps do not illuminate.
• Press the lamp test and replace lamps in any switches
that do not illuminate.
• Verify that the access panel lamps are properly
configured by the system software configuration.
Buzzer does not function.
• Press the lamp test and if the buzzer does not sound,
replace the buzzer.
• Verify that the buzzer is properly configured and
recognized by the system software configuration.
Display does not function. Press the lamp test and if the display does not illuminate,
check internal wiring connections.