75 | Maintenance
5.4.9 Alarm code E or F: System Internal Communication Failure (1) or System Internal
Communication Failure (2)
• CAUTION
• When these alarms are generated the bearing information from external heading sensor may have large errors.
Alarms are generated when the communication of the External Heading sensor has stopped or a failure in its communication.
1.
Confirm that the external heading sensor operates properly to system documentation.
2.
Contact Alphatron Service Engineer, or agent, after checking step 1.
5.4.10 Alarm code G: Master Compass Heading Failure
• CAUTION
• When an alarm code G is activated, the Gyro Compass True Heading may have an error.
1.
Confirm that the Gyro Compass True Heading displayed in this system coincides with the heading by some target, or
by observation.
2.
If a heading error exists in step 1. Make the correction according to paragraph 1.7.6
Adjusting True Heading
,
3.
Contact Alphatron Marine Service Engineer, or agent, after checking steps 1 and 2.
5.4.11 Alarm code L or n: External Heading Sensor Communication Stop or External
Heading Sensor Data Failure
1.
Confirm that the external heading sensor operates properly.
Note
These alarms are only generated when EXT source is selected as active bearing source.
2.
Operate it according to the Operator's Manual for the external heading sensor, if it does not operate properly.
3.
Change the Heading Sensor according to paragraph 2.6
Heading Sensor Selection
if it was not recovered after
executing step 2.
4.
Contact Alphatron Marine Service Engineer, or agent, after checking steps 1 to 3.
5.4.12 Alarm code P or U: LOG (serial signal) Communication Stop or LOG (serial
signal) Data Failure
1.
Confirm that LOG operates properly.
Note
These alarms are only generated when GYRO selected an active bearing source and when S.S.d is selected
as Speed input source.
2.
Operate it according to the Operator's Manual of LOG, if it does not operate properly.
3.
Change the input system according to paragraph 1.7.4
Setting the Speed input source
, if it was not recovered after
executing step 2.
4.
Contact Alphatron Marine Service Engineer, or agent, after checking steps 1 to 3.
5.4.13 Alarm code u: LOG Contact Failure
1.
Confirm that LOG operates properly.
Note
These alarms are only generated when GYRO selected an active bearing source and when L.S.d is selected
as Speed input source.
2.
Operate it according to the Operator's Manual of LOG, if it does not operate properly.
3.
Change the input system according to paragraph 1.7.4
Setting the Speed input source
if it was not
recovered after executing step 2.
4.
Contact Alphatron Marine Service Engineer, or agent, after checking steps 1 to 3.
Summary of Contents for ALPHAMIDICOURSE Mk2
Page 80: ...80 Appendices 6 1 1 Dimensions of Control Unit...
Page 81: ...81 Appendices 6 1 2 Dimensions of Master Compass...
Page 82: ...82 Appendices 6 1 3 Master Compass without housing...
Page 84: ...84 Appendices 6 1 5 Connection Diagram...
Page 85: ...75 Appendices 6 1 6 Cable Diagram...
Page 86: ...76 Appendices 6 1 7 Installation Drawing...
Page 88: ...78 Appendices AlphaMidiCourse Mk2 Check Maintenance Sheet...
Page 89: ...79 Appendices AlphaMidiCourse Mk2 Check Maintenance Sheet...
Page 90: ...80 Appendices AlphaMidiCourse Mk2 Check Maintenance Sheet...
Page 91: ...81 Appendices AlphaMidiCourse Mk2 Check Maintenance Sheet...
Page 92: ...82 Appendices AlphaMidiCourse Mk2 Check Maintenance Sheet...
Page 95: ...85 Appendices 6 4 Return Slip Sensitive element...
Page 96: ...86 Appendices...
Page 99: ......
