The planned replacement or upgrading of major elevator components — drive, controller, ropes, cabin, or safety devices — to extend service life, improve energy efficiency, and bring the installation into compliance with current standards.
Full Definition
Elevator modernization (also: refurbishment, renovation, upgrade) is the systematic renewal of an existing elevator installation to address obsolescence, non-compliance, inefficiency, or poor ride quality without full shaft reconstruction. Typical modernization scope: (1) controller replacement — analogue relay logic or obsolete microprocessor panels replaced with modern VVVF drive + safety PLC; (2) drive replacement — AC2 contactor-based or Ward-Leonard DC drives replaced with regenerative VVVF drives, reducing energy consumption 30–50 %; (3) rope replacement — steel wire ropes replaced with coated steel or aramid flat belts; (4) safety gear and governor upgrade to meet EN 81-20; (5) car interior renewal — new cabin, doors, and signals; (6) guide shoe replacement — sliding shoes replaced with roller guides for quiet ride. EN 81-80 (Rules for the improvement of safety of existing lifts) provides the risk-assessment framework for bringing non-conforming elevators toward EN 81-20 compliance. Modernization projects require new CE marking if the changes constitute a substantial modification under the Machinery Directive 2006/42/EC.
