72 | Maintenance
5.3 Corrective Measures
Measures can be taken to rectify some failures.
•
CAUTION - Corrective Measures
•
Before checking and replacing of fuses, and disconnecting / connecting of each unit, connector, printed
circuit, terminal cable, turn "OFF" the power switch of the operating panel, and disconnect the power cable
from the ship’s distribution board, etc. It may cause electric shock and failure if left in "ON" position.
5.3.1 Corrective Measures when an Alarm is Activated
When an alarm is activated, follow procedures below:
1.
Confirm that the alarm indicator lights on the Operating Panel blinks and check alarm content displayed in the
Data Display when the alarm buzzes.
2.
Press ACK/ENT switch to stop the buzzer.
If the alarm indicator light extinguishes, the system has been restored.
Note
Wait a while to observe whether the alarm is repeated, then take appropriate action. Write down the
setting values and the other data related to the alarm, and various status conditions including sea conditions.
Note
If the alarm indicator light continues blinking after pressing ACK/ENT switch, shows that the failure still
exists.
3.
Confirm alarm occurrence number and alarm content from the data indicator, refer to paragraph 2.9
Alarm
and
check according to paragraph 5.4
Failure Phenomena and Corrective Measures
, regarding the displayed alarm
content corrective measures.
5.4 Failure Phenomena and Corrective Measures
When a failure has occurred, take the following actions.
Contact Alphatron Marine, or agency if the failure was not repaired.
•
CAUTION
•
Whenever the internal setting of the system is changed, follow instructions of the Alphatron Service Engineer.
•
When another failure is activated than appeared in this clause, or a replaced fuse has blown again, turn "OFF" the
power switch of the operating
panel, disconnect the power cable from the ship’s distribution board and request
repair from an Alphatron Service Engineer.
•
When a failure has occurred and it has not been repaired according to this clause, turn "OFF" the power switch of
the operating panel and request an Alphatron Service Engineer to repair it on making a call to port. Even if it has
been repaired, request an Alphatron Service Engineer to check it.
5.4.1 Alarm code 1: Power Supply Failure
This Alarm code is generated when main power is lost.
1.
Confirm that the power is connected to terminal TB3 24M+ and 24M-.
Incoming voltage is 24 VDC (+30% / -20%)
2.
Check the cabling from power source to Control Unit.
3.
Remove TB3 connector plug and check the fuse F6: 6.3A. For fuse location refer to paragraph 5.8
Fuse Replacement.
4.
Contact Alphatron Marine service engineer, or agent, immediately after checking steps 1,2 and 3 above.
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: ......
