Question 43Electricity/Electronics - 1st Asst/Chief70% to pass
Using the trouble analysis chart and faults table provided in the illustrations, if the adaptive digital steering system was malfunctioning, and the fault code 41 (SPEED LOG ERROR) is displayed, what corrective action should be performed LAST? Illustration EL-0197 and EL-0198
AI Explanation
The correct answer is C) Replace the CPU assembly.
The reasoning is that when the fault code 41 (SPEED LOG ERROR) is displayed, it indicates an issue with the CPU (central processing unit) of the adaptive digital steering system. The CPU is responsible for processing and interpreting the data from the speed log, and if there is an error in the CPU, it can lead to the displayed fault code. Replacing the CPU assembly would be the last corrective action, as it is the most complex and comprehensive solution to address the underlying issue.
The other options are incorrect because:
A) Replacing the ADS (Adaptive Digital Steering) assembly may not be necessary if the issue is specifically with the CPU.
B) Checking the connection may help identify the problem, but it does not directly address the CPU issue.
D) Checking the message string output by the source may provide additional information, but it does not directly solve the CPU-related problem.
Related Questions
#41 As shown in the illustrated adaptive digital steering control system functional block diagram and listed system interface signals table, what would the rudder order signal output voltage to the rudder servo amplifier be for a rudder order of 15 degrees right rudder, assuming left rudder signals are negative and right order signals are positive in polarity? Illustration EL-0191 #42 As shown in the illustrated echo sounding display unit and control panel and pertinent operating characteristic tables, what situation would require increasing the unit gain? Illustration EL-0186 #44 Using the trouble analysis chart and faults table provided in the illustrations, if the adaptive digital steering system was malfunctioning, and the fault code 42 (SPEED LOG ERROR) is displayed, what corrective action should be performed FIRST? Illustration EL-0197 and EL-0198 #45 Using the trouble analysis chart and faults table provided in the illustration, if the gyrocompass was malfunctioning, but no fault codes are present on the display unit, what is most likely the problem if the DC/DC converter LED status indicator is functioning properly, but the CPU LED status indicator is not blinking? Illustration EL-0195 #46 What equipment for modern SCR rectified DC propulsion drive systems is usually included in the package?