LED Diagnostics
Your product has diagnostic LEDs which can be used to identify the unit’s status and to help troubleshoot any potential issues that may occur.
In order to view the transducer LED status indicators, you need to open the top cover of the converter. For information on how to remove the front cover, refer to: Mounting
Do not touch exposed transducer wires whilst the converter is powered on and the cover is open.
LED diagnostics

Transducer LEDs (1–5):
LED Indication |
LED Status and applicable solutions |
|---|---|
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Powered up / Ok: Normal operation — no user action is required. |
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No power:
|
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(Speed and temperature / Wind vane transducer only) Vessel speed pulse time-out:
|
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(Depth transducer LED only) Searching for lock:
|
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Lost valid signal:
|
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Not connected:
|
SeaTalk NG LED (6):
LED Indication |
LED Status and applicable solutions |
|---|---|
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Powered up / Ok: Normal operation — no user action is required. |
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No power: Refer to the advice found within the following section: Power up troubleshooting |
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Software download: Normal operation — no user action is required. |
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Low bus voltage:
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No communications / fault:
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