Hoisting Winch Electronic Repairs

SHIPYARD CRANE HOISTING WINCH TROUBLESHOOTING AND REPAIR
Alatas ServiceField Services, System Upgrades
LocationSingapore
EquipmentHoisting Winch

Hoisting winch electronic repairs were carried out at Pioneer Yard, Keppel Fels Ltd by Alatas Singapore. The project was seeing to troubleshooting and repairs to hoisting crane No-4 (800MT).

Inspection before Hoisting Winch Electronic Repairs

An Alatas Engineer placed the ERI card (error indicator card) on P-IMI board and checked the error code E299, fault code F200, F320 which were showing on ICU. But these faults could not be detected by ERI card.

Further inspection revealed the braking chopper voltage low setting of the IGBT stack PCB cards (P-IMI) had a problem. This was what was triggering the winch problem. After the system was set to the right value by replacing electronic components, testing of the crane took place and all found to be working as required.

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