Specifications

Chapter 9: Fault Finding

All Raytheon products are subjected to a comprehensive test procedure

prior to packing and shipping. In the unlikely event that a fault does

occur with your autopilot, the following check list should help identify

the problem and provide a cure.

The autopilot display is blank

 No power  check the fuse/circuit breaker.

The autopilot display shows CODE LOCK at power on

 The CodeLock code must be entered manually (see Chapter 4).

The displayed compass heading does not agree with the

ships compass

 The compass has not been corrected for deviation  carry out the

deviation and alignment procedures.

Vessel turns slowly and takes a long time to come on to

course

 Rudder gain too low.

Vessel overshoots when turning on to a new course

 Rudder gain too high.

The autopilot appears to be unstable in Track mode, or track-

holding is slow

 If tide speed exceeds 35% of boat speed, and boat speed is not

available via SeaTalk, change the Cruise Speed setting in Dealer

Setup to the boats cruising speed.

The autopilot appears to be unstable on Northerly headings

in the Northern hemisphere and Southerly headings in the

Southern hemisphere

 Northerly/Southerly heading correction not set up.

Display shows CAL LOCK when entering calibration

 Calibration locked out  calibration protection feature is turned on in

Dealer Setup.