Common Failure Causes and Replacement Recommendations for Elevator 161 Door Lock Assemblies
Common Elevator 161 Door Lock Failures & Replacement Tips In elevator door systems, the 161-type elevator door lock assembly is one of the most widely used locking structures, commonly found in passenger and freight elevators across multiple brands and models. As a direct part of the elevator safety circuit, any abnormal door lock condition will […]
Causes of Escalator Main Drive Chain Wear and Maintenance / Replacement Solutions
Escalator Main Drive Chain Wear: Causes & Solutions In an escalator transmission system, the main drive chain plays a critical role in reliably transferring motor power to the main drive sprocket. Once wear on the main chain increases, it not only affects smooth operation but may also lead to chain skipping, abnormal noise, or even […]
Interpretation of Common Fault Codes on the NICE3000 Elevator Main Control Board and Component Replacement Recommendations
Common NICE3000 Main Control Board Fault Codes & Replacement Tips In elevator projects using the NICE3000 elevator control system, the main control board acts as the “central brain” of the entire elevator operation. When a system abnormality occurs, the controller displays fault codes to indicate the source of the problem. Correctly understanding these codes—and determining […]
Safety Risks Caused by Excessive Elevator Landing Door Sill Gaps and How to Improve Them
Safety Risks of Large Elevator Door Sill Gaps & How to Fix Them During daily elevator operation and inspections, the gap at the elevator landing door sill is often an overlooked detail—yet it can pose serious safety risks. When the gap between the landing door sill and the car sill is too large, it not […]
What Materials Are Used for Elevator COP / HOP Panels?
What Materials Are Used for Elevator COP / HOP Panels? In an elevator system, COP (Car Operating Panel) and HOP (Hall Operating Panel) are among the most frequently used and most visible components. Beyond function and structure, the choice of material directly affects durability, appearance, maintenance cost, and overall user experience. So, what are the […]
Common Elevator Overspeed Governor Failures and Replacement Precautions
Common Elevator Overspeed Governor Failures & Replacement Tips In an elevator safety system, the overspeed governor is a critical protection device that prevents car overspeed and uncontrolled descent. Once the governor detects that the elevator speed exceeds the preset limit, it triggers the safety gear to forcibly stop the car—serving as the last line of […]
How to Find Elevator Buttons That Save Money, Time, and Hassle — and Last Longer
How to Choose Cost-Effective, Long-Lasting Elevator Buttons In elevator maintenance and modernization projects, elevator buttons may seem like small components, but they are actually among the most frequently replaced and failure-prone parts. Button malfunctions, dim or dead lights, unresponsive presses, and incompatible models not only increase maintenance costs, but also repeatedly consume manpower and time. […]
How to Assess Wear of Elevator Guide Shoes and Guide Shoe Liners
How to Assess Wear of Elevator Guide Shoes and Guide Shoe Liners In an elevator operating system, elevator guide shoes and guide shoe liners are critical components that ensure smooth movement of the car and counterweight along the guide rails. Although they do not directly participate in the driving process, abnormal wear can easily lead […]
Main Causes of Abnormal Noise in Elevator Guide Shoe Rollers and Key Replacement Tips
Causes of Noise in Elevator Guide Shoe Rollers & Replacement Tips During daily elevator operation, when passengers clearly hear squeaking sounds, friction noise, or intermittent abnormal noises, the issue is often not caused by the traction machine or guide rails themselves, but by elevator car guide shoe rollers. Although guide shoe rollers are wear parts, […]
Risks of Loose Escalator Comb Plate Fixing Plates and Compliance Replacement Standards
Loose Escalator Comb Plates: Risks & Standards In escalator safety systems, the comb plate often receives the most attention, while the comb plate fixing plate—which works closely with it—is frequently overlooked. In reality, once the comb plate fixing plate becomes loose, it can not only affect normal escalator operation but may also directly lead to […]
Elevator Cabin Lighting Power Supply and COP/HOP Display Fault Diagnosis
Elevator Cabin Lighting & COP/HOP Display Fault Diagnosis In daily elevator operation, the cabin lighting power supply and COP/HOP display screens do not directly participate in the drive system, but they are essential components for passenger experience and operational information display. Once a failure occurs, it can negatively affect ride comfort and may even lead […]
How to Customize or Replace New Elevator Buttons for Old Elevators?
Replacing or Customizing Buttons for Old Elevators As a large number of elevators enter the mid-to-late stage of service life, problems such as aging buttons, poor responsiveness, outdated appearance, and incompatibility with new control systems are becoming increasingly common. Compared with replacing the entire elevator, customizing or replacing elevator buttons for old elevators is a […]
