Blink Codes

After the sonar module is installed, it turns on when the chartplotter is turned on. The color status LED on the sonar module indicates its operational status.

LED Color

State

Status

Green

Blinking

The sonar module is connected to a chartplotter and is operating properly. You should see sonar data on the chartplotter.

Red

Blinking

The sonar module is turned on, but is not connected to a chartplotter, or is waiting to connect to a chartplotter. If the sonar module is connected to the chartplotter and this code persists, check the wiring connections.

Orange

Blinking

A software update is in progress.

Red/Green

Blinking

Reserved

Red

Two blinks followed by a 3-second pause

Other sonar failure.

Red

Three blinks followed by a 3-second pause

The transducer is not detected by the sonar module. If this code persists, check the wiring connections.

Red

Five blinks followed by a 3-second pause

The sonar module input voltage exceeds the maximum input voltage.

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April 2025