Raymarine ST7001 User Manual download pdf (Page 33)

Chapter 3: Fault Finding & Maintenance 27

Chapter 3: Fault Finding & Maintenance

All Raymarine products are designed to provide many years of trouble-free

operation. We also put them through comprehensive testing and quality

assurance procedures before shipping.

This chapter provides information about identifying problems, interpreting

alarm messages, maintaining your SmartPilot and obtaining product

support.

If a fault occurs with your SmartPilot, use the fault finding tables in this

section to help identify the problem and provide a solution.If you cannot

resolve the problem yourself, refer to the product support information.

3.1 Fault finding

SYMPTOM POSSIBLE CAUSE and SOLUTION

Display is blank No power – check the power and SeaTalk fuses on

course computer, then check main fuse/circuit breaker.

Data page display shows sta-

tionary dashes

The control unit is not receiving necessary data from

other instruments – check cabling.

Display shows rotating dashes Compass calibration in progress (see SmartPilot Com-

missioning Guide).

Displayed compass heading

does not agree with the boat’s

compass

You have not calibrated the compass. Carry out the devi-

ation and alignment procedures (see SmartPilot Com-

missioning Guide).

No display bar on the display Rudder bar switched off in Display Calibration – select

RUDD BAR or STEER BAR

Rudder bar display moves in

opposite direction to rudder

Reverse the red and green rudder position sensor con-

nections at the course computer

Boat turns slowly and takes a

long time to come onto course

Rudder gain too low. Complete AutoLearn or increase

gain setting.

Boat overshoots when turning

onto a new course

Rudder gain too high. Complete AutoLearn or decrease

gain setting.

The SmartPilot ‘hunts’ when

trying to position the rudder

Adjust the RUDD DAMP setting (see SmartPilot Commis-

sioning Guide). Increase the damping one level at a time

until the autopilot stops hunting, and always use the

lowest acceptable value

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Raymarine ST7001 User Manual Page 33

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