Raymarine G-Series system, Installation Instruction, Page: 141 / 180

8.14 DSM400 sonar LED indications
LED indications associated with the DSM400 sonar unit are
described here.
LED state Possible causes
1 flashing (500 / 500 ms) green LED. Normal operation (Heartbeat).
1 flashing (750 / 250 ms) green LED. Standby mode.
Off for < 2 minutes. Startup.
Off for > 2 minutes. No power.
1 steady amber LED. • Power on.
• Lamp test.
1 flashing amber LED.
Input transducer.
2 flashing amber LEDs. No network / cable unplugged.
3 flashing amber LEDs. Overheating warning.
8 flashing amber LEDs. Watchdog restart.
Flashing (750 / 250 ms) LEDs
alternating between amber and red. Retrieving software from memory
card. This condition remains until a
valid application is available from the
memory card.
1 flashing red LED. Voltage error.
3 flashing red LEDs. Overheating error.
4 flashing red LEDs. Flash write error.
5 flashing red LEDs. No application programmed.
8 flashing red LEDs, possibly followed
by flashing amber. Hardware read error.
Troubleshooting
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