VESSEL : TANK OVERFILL ALARM |
PORT : SINGAPORE |
JOBNO : 20140507 |
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EQUIPMENT : OVER FILL ALARM |
DATE : 14/05/2014 |
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MAKE : HANLA |
MODEL : LIDEC-L91 |
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ITEM |
DESCRIPTION / REMARKS : |
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1 |
JOB DESCRIPTION /DEFECT REPORTED :
Tank overfill alarm is erratic & highly sensitive. Alarm not getting reset after even reset alarm in CCR.
Checked the system initially found alarms were activated in #2(P) & #4(P) tanks even the tanks were empty.
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2 |
CHECKING OF SAFETY BARRIER :
Checked and tested safety barrier found all ok.
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3 |
TROUBLESHOOTING/SERVICE:
Checked local side PCB and sensors.
Found #2P tanks PCB card not working. Stimulated with good working PCB found the #2P tank overfill alarm working in order. Recommended to renew PCB.
#4P tank PCB setting found Wrong setting. Setting done, test and found working.
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4 |
ADDITIONAL REQUESTED BY C/O CHECKING OF ALL TANKS
C/O and E/O requested to check all the 17 No’s of tank overfill alarm. As per C/O request we checked and stimulated the system , the results are,
#1(P) - Existing working in order #1(S) - Existing working in order #1(C) - Found PCB setting Wrong, setting done as per manul and working in order. #2(P) - Found PCB not working, PCB to be renew. #2(S) &(C) - Found PCB setting Wrong, setting done as per manul and working in order #3(P) &(C) - Existing working in order #3(S) - PCB found more sensitive couldn’t be stable. Recommended to renew PCB. #4(P) - Found PCB setting Wrong, setting done as per manul and working in order. #4(C) - Existing working in order #4(S) - Found both PCB and sensor element problem, recommended to Renew. #5(P) Found PCB not working, PCB to be renew. #5(S) - Found both PCB and sensor element problem, recommended to Renew. #5(C) - Existing working in order Slop (P)- Found PCB not working, PCB to be renew. Slop(S) - Existing working in order. |
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5 |
RECOMMENDATION:
Recommended to renew the faulty PCB and Sensor element.
PCB card need to renew for the below Tanks:
#2(P), 3(S), 4(S), 5(P)&(S) and Slop (P)
Sensor element need to Renew for below Tanks: #4(S) & 5(S)
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