Chapter 3: Maintenance & Fault Finding | 29 |
SYMPTOMSOLUTION
The autopilot display is blank.
No power – check the fuse/circuit breaker.
The displayed compass heading does | The compass has not been corrected for |
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not agree with the boat’s compass. | deviation – carry out the deviation and |
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| alignment procedures (see page 56). |
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Boat turns slowly and takes a long | Rudder gain too low (see page 58). |
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time to come on to course. |
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Boat overshoots when turning on to | Rudder gain too high (see page 58). |
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a new course. |
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The autopilot appears to be unstable | Northerly/Southerly heading correction |
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on Northerly headings in the | not set up (see page 65). |
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Northern hemisphere (or Southerly |
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headings in the Southern |
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hemisphere). |
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Display shows ‘CAL OFF’ when | Calibration access has been prevented |
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entering calibration. | (see page 66). |
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The autopilot will not ‘talk’ to other | Cabling problem – make sure all the |
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SeaTalk instruments. | cables are connected properly. |
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Position information not received. | Navigator not transmitting the correct |
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| position data. |
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The autopilot will not auto advance | No bearing to waypoint information | Maintenance& | ||
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to the next waypoint. | received from the navigator. |
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The screen shows a series of rotating | Compass deviation correction is running. |
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dashes. |
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The display shows a series of | Data is not being received – check the | Fault | ||
stationary dashes. | cabling. | |||
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The display shows ‘Err’. | The navigator has lost its fix – refer to the | Finding | ||
| navigator handbook for further action. | |||
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