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[Technical Support] Case: Full record of after-sales service for blackout roller blinds
Date: 2025-04-17
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Full-Link Problem Diagnosis

Solution



On the azure expanse of the ocean, every vessel serves as a cozy haven for mariners.  To ensure your comfort and safety during voyages, we remain committed to delivering the highest quality marine accessories and after-sales services.  Today, let's delve into a real-life maintenance story about our light-blocking roller blinds, showcasing how we swiftly respond to challenges and deliver precise solutions.



Emergency Response, Directly on the Scene


Recently, we received feedback regarding operational issues with the light-blocking roller blinds in a vessel's cabin - specifically, intermittent jamming during retraction/extension and curtain derailment from the tracks. Upon learning of the situation, our professional after-sales team promptly equipped with specialized tools and diagnostic equipment rushed to the site.

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Multi-dimensional Root Cause Analysis


1.Installation Detail Deviation:Inconsistent pre-set lengths of steel cables on both sides resulted in uneven force distribution during operation, leading to curtain derailment from the track.

2.Environmental Adaptability Deficiency:The openable design of the cabin windows creates significant wind resistance during navigation, which exacerbates the risk of roller blind derailment due to increased dynamic loads on the system.


3.Operational and Structural Defects:Reverse installation of the light-blocking roller blinds was identified, which accelerates curtain wear and enhances derailment risks due to improper alignment with the operating mechanism.


Efficient Maintenance



In response to the aforementioned issues, our engineers formulated precise solutions tailored to each specific problem:

Comprehensive maintenance: disassemble the defective roller curtain, adjust the steel wire length one by one, and replace the worn parts;

Structural Optimization:Reinforcement of roller blind tracks was implemented to counter wind resistance challenges posed by openable windows, significantly enhancing the system's ability to withstand wind loads during navigation;

Operation training: on-site guidance to the crew to correctly use the rolling curtain method to avoid man-made damage. English translation。

Immediate acceptance: After the completion of maintenance, the crew supervisor measured and confirmed that all curtains ran smoothly, the derailment problem was completely solved, and the service dispatch Order was signed on site.



Customer Satisfaction, Continuous Improvement


Crew's New Requirement:The crew expressed the need for enhanced blackout curtain stability to prevent derailment. In response, considering the specific structural characteristics of the vessel, our company has developed the following upgrade plan:

Windproof Edge-locking Mechanism:For operable window configurations, we employ an upgraded wind-resistant curtain system where the blackout fabric is precisely inserted into the side rail tracks. This design utilizes a physical locking mechanism to secure the curtain body, fundamentally eliminating the possibility of derailment caused by wind resistance through structural reinforcement at the source.



Customized adaptation: In the subsequent cabin window frame design, the company will provide exclusive node drawings to ensure that the curtain body matches the structural depth of the ship window, taking into account functionality and durability.


Every after-sales interaction is not merely about resolving individual issues, but rather a demonstration of our unwavering commitment to delivering consistent product quality and superior customer experiences.

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