Chapter 4: Maintenance & Fault Finding 274 Maintenance & Fault FindingChapter 4: Maintenance & Fault FindingThis chapter provides information about identifying commonproblems, maintaining your autopilot system and obtaining productsupport:4.1 Fault findingAll Raymarine products are designed to provide many years oftrouble-free operation. We also put them through comprehensivetesting and quality assurance procedures before shipping.In the unlikely event that a fault does occur with your autopilot, usethe following table to help identify the problem and provide asolution.If you cannot resolve the problem yourself, refer to the productsupport information on page 32.SYMPTOM SOLUTIONThe control unit display is blank No power – check the fuse/circuit breaker.The displayed compass heading doesnot agree with the boat’s compassYou have not corrected the compass fordeviation – carry out the deviation andalignment procedures (seepage 81 andpage 84).Boat turns slowly and takes a longtime to come onto courseRudder gain too low (seepage 85).Boat overshoots when turning onto anew courseRudder gain too high (seepage 85).The autopilot appears to be unstable inTrack mode, or track-holding is slowIf tide speed exceeds 35% of boat speed, andboat speed is not available via SeaTalk, changethe Cruise Speed setting in Dealer Setup to theboat’s cruising speed (seepage 100).The autopilot appears to be unstableon Northerly headings in the Northernhemisphere and Southerly headings inthe Southern hemisphereNortherly/Southerly heading correction(AutoAdapt) is not set up (seepage 99).Display shows CAL LOCK when enteringcalibrationCalibration lock is on – turn off the calibrationprotection feature is in Dealer setup (seepage 96).81131_7.book Page 27 Wednesday, March 17, 2004 3:59 PM
