Raymarine ST30 Specifications download pdf (Page 17)

ST30 Speed 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 Speed, the following table will help to identify

the probable cause and provide the most likely cure.

Fault Cause Action

Instrument display

blank

No supply to

instrument

Check supply

Check cabling and

security of connectors

Check circuit breaker

Return ST30 Speed for

repair

No speed information Transducer cabling

problem or fouled

Clean paddlewheel

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 17

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