Raymarine ST30 Specifications download pdf (Page 15)

ST30 Depth Operation and Installation Handbook

Chapter 3: Fault Finding

All Autohelm products are, prior to packing and shipping, subject to

comprehensive test and quality assurance programmes. However, if a

fault arises with the ST30 Depth, the following table will help to identify the

probable cause and provide the most likely cure.

Note:

After installation, poor performance may be experienced if the

surface of the depth transducer has not been 'wetted'. Wetting can take

up to 24 hours under normal conditions. The transducer can be 'wetted'

prior to launch by applying a mild detergent to the external face.

Fault Cause Action

Instrument display

blank

No supply to

instrument

Check supply

Check cabling and

security of connectors

Check circuit

breaker/fuse

Return ST30 Depth for

repair

No depth information Aereated water, boat

wakes or propeller

wash

Depth reading will

return to normal once

clear of disturbed

water

Feet/metres display

flashes continuously

Transducer cable or

connector fault

Check cabling and

security of transducer

connector

No exchange of

information between

SeaTalk instruments

SeaTalk cabling or

connector problem

Check security of

SeaTalk connectors

Remove instruments one

by one to isolate

faulty unit

Failure of a group of

instruments in a chain

Cabling or connector

problem

Check the security of

the connectors between

functioning and

non-functioning

instruments

Unable to enter

calibration

Calibration locked Refer to Calibration

lock/

unlock section

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Raymarine ST30 Specifications Page 15

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