Operation Manual

46 Issue 1 M-2 AIS Operation
Troubleshooting
Transponder status indicators
Remove the transponder dust cover to view status of indicator lamps (LED).
Rx LED ON continuously System fault
Rx LED OFF continuously Check antenna connection
Check for targets in range
System fault
Tx LED ON continuously System fault
Tx LED OFF continuously Check for “No own reports” setting
(silent mode)
System fault
OK LED ON continuously System healthy
OK LED OFF continuously Check error code on Display
PWR LED ON continuously System healthy
PWR LED OFF continuously Check fuse
Check ship’s supply
System fault
For all system faults, contact the nearest Service Centre.
Rx
red LED flashes when a signal is received
Tx red LED flashes when transmitter is active
OK LED on when BITE remote alarm relay is deactivated (no alarm
active)
PWR LED on whenever power is applied and the system fuse is
good.