Raymarine ST70 User's Reference Manual

Also see for ST70 Instrument: Installation guide Operating guide User reference guide User reference handbook Installation guide

Raymarine ST70 User's Reference Manual Manual pdf 36 page image

30 ST70 Instrument User Reference Manual4.2 TroubleshootingIn the unlikely event that you encounter problems using your ST70 instrument, usethis section to resolve the situation.First considerationsIf your ST70 is not performing as you think it should, be sure you are operatingcorrectly as described in the ST70 Operating Guide, supplied with the instrument.Then:• Ensure that any data you think may be missing, is available on your boat. Forexample, if you do not have a wind transducer, then there will be no wind data orwind-related data.• Take into account any changes that may have been made to the electrical systemaboard your boat. Such changes could affect the performance of your ST70instrument.• Be aware that radio signals transmitted nearby (for example from another boat orshore station) could affect the performance of your ST70 instrument.If you are satisfied that the problem is not due to any of the above, use the proceduresin this section to isolate the cause of the problem.ProceduresIf it appears that an ST70 instrument is not operating satisfactorily, check thesymptoms below to determine how to resolve the problem:• Nothing on the instrument screen - refer to Chart 1.• Data missing from the instrument screen - refer to Chart 2.• Data on the instrument screen is garbled- refer to Chart 3.• Specific data types are missing or incorrect:• Check the relevant Transducer and Pod, including the connections betweenthem and to the system.• If speed readings are missing or obviously wrong, the speed transducer pad-dle wheel could be fouled and need cleaning.