Simrad GC80/GC85 Dual Gyro Compass
122 20221537 / D
12.1 The alarm system
A GC80/GC85 compass will continually check for faults while
the system is running.
If a fault occurs, an alarm code will be displayed in the LCD, the
Alarm lamp will be flashing, and an audible alarm will be
activated.
In a GC80/85 Dual system, alarms will be generated both from
each single gyro compass, and from the dual system. Refer
Alarm messages, page 26.
For a complete list of alarm codes, refer to the tables on the
following pages.
12.2 Fault finding
When an alarm is generated and not removed by pressing the
ACK/ENT button, further actions should be taken to correct the
alarm situation.
The following pages present a list of alarm messages that may
be displayed on the gyro compass control panels and on the
change over panel.
Before any fault finding procedure is started, the following
actions should be performed to verify a system error:
- Shut down and restart the gyro compass
- Verify that all cables are properly connected according to
the wiring diagrams, page 81 onwards
- Check the cables from the main power supply to the
Control unit
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