The Elevator Industry Glossary

100+ essential terms every elevator contractor, service provider, OEM
and property manager should know — explained in plain English.

Browse alphabetically, filter by category, or search to jump straight to a definition.

A B C D E F G H I J K L M N O P Q R S T U V W X Y Z

A

AMC (Annual Maintenance Contract)

A yearly service agreement covering scheduled maintenance and breakdown support.

Service

ARD (Automatic Rescue Device)

A battery backup that moves a stalled elevator to the nearest floor during a power failure.

Technical

Asset Management

Tracking every elevator, part, and tool across sites for lifecycle visibility.

Software

ASME A17.1

The North American safety code for elevators, escalators, and moving walks.

Compliance

Audit Trail

A time-stamped log of every action taken in the software for accountability.

Software

B

Backlog

Pending service jobs or complaints not yet completed.

Service

Breakdown Call

An unplanned service visit triggered by an elevator fault.

Service

Buffer

A spring or hydraulic device at the pit bottom that absorbs impact in an overtravel event.

Technical

C

Callback Rate

How often a serviced elevator fails again within a defined window; a key quality metric.

Service

Car Operating Panel (COP)

The in-cabin button panel passengers use to select floors.

Technical

CMMS (Computerized Maintenance Management System)

Software that schedules, tracks, and reports on maintenance work.

Software

Complaint Ticket

A formal record of a customer-reported issue with status tracking.

Service

Comprehensive AMC

A contract that includes both labour and spare parts.

Service

Counterweight

A weighted block balancing the elevator car to reduce motor load.

Technical

D

Dispatch Board

A real-time view of technicians, jobs, and locations used to assign work.

Software

Door Operator

The motor and linkage that opens and closes the car and landing doors.

Technical

Downtime

The total period an elevator is out of service.

Service

E

EN 81-20 / EN 81-50

The European safety standards for the construction and installation of lifts.

Compliance

Elevator Modernization

Upgrading older equipment with new controls, drives, or interiors.

Service

ELD (Emergency Light Device)

Cabin lighting that activates during a power outage.

Technical

Escalation Matrix

A predefined hierarchy for routing unresolved tickets to senior staff.

Service

F

Field Service Management (FSM)

Software that coordinates mobile technicians, jobs, and parts.

Software

Fire Service Mode

A code-mandated mode that recalls elevators to a safe floor during a fire.

Compliance

First-Time Fix Rate (FTFR)

Percentage of jobs resolved on the first visit; a core KPI.

Service

Float Stock

Spare parts kept on hand to avoid downtime during repairs.

Service

G

Geared Traction

A traction elevator using a gearbox between motor and sheave.

Technical

Gearless Traction

A high-efficiency traction system without a gearbox, common in MRL designs.

Technical

Governor (Overspeed Governor)

A safety device that activates the safety gear if the car exceeds rated speed.

Technical

GST Invoice

A tax-compliant invoice required for Indian customers.

Service

H

Hoistway (Shaft)

The vertical enclosure in which the elevator car travels.

Technical

Hydraulic Elevator

An elevator driven by a hydraulic ram, typical for low-rise buildings.

Technical

HR & Workforce Management

Tools to manage technicians, attendance, shifts, and payroll.

Software

I

Inspection Certificate

Document issued after a successful regulatory inspection.

Compliance

Installation Project

A new elevator deployment tracked from sales handover to commissioning.

Service

Inventory Reorder Point

The stock level at which a replenishment order is automatically triggered.

Software

IoT Monitoring

Connecting elevators to the cloud via sensors for real-time health data.

Software

IS 14665

The Indian safety standard for electric traction lifts.

Compliance

J

Job Card

A digital or paper record of work performed during a service visit.

Service

Jurisdictional Inspection

A government-mandated periodic inspection by a local authority.

Compliance

K

KPI (Key Performance Indicator)

A measurable metric like uptime, MTTR, or FTFR used to track service quality.

Service

Knowledge Base

A searchable repository of how-to articles and SOPs for technicians and customers.

Software

L

Landing Door

The outer door on each floor that opens to the elevator car.

Technical

Lift Inspector

A certified professional who audits elevators for code compliance.

Compliance

Load Test

A test that verifies the elevator can safely carry its rated capacity.

Compliance

M

Machine Room

A dedicated room housing the elevator drive, controller, and governor.

Technical

Machine-Room-Less (MRL)

An elevator design with the drive inside the hoistway, saving building space.

Technical

Material Management

Software module for stock, purchases, and parts movement across stores.

Software

MTBF (Mean Time Between Failures)

The average operating time between two breakdowns.

Service

MTTR (Mean Time To Repair)

The average time to restore service after a breakdown.

Service

Multi-site Operations

Managing service across multiple buildings, cities, or countries from one platform.

Software

N

Non-comprehensive AMC

A contract covering labour only; spare parts billed separately.

Service

Notification Engine

System logic that alerts customers and technicians via SMS, email, or WhatsApp.

Software

O

OEM (Original Equipment Manufacturer)

The company that built the elevator (e.g., Otis, KONE, Schindler).

Service

OTIS Code

Colloquial term for OEM-specific service codes; also refers to the manufacturer Otis.

Technical

Overspeed

A condition where the car exceeds its rated speed, triggering safety gear.

Technical

P

Pawl Device

A mechanical stop preventing uncontrolled descent in certain elevator types.

Technical

Periodic Inspection

A statutory inspection performed at regular intervals (often annually).

Compliance

Predictive Maintenance

Using sensor data and analytics to fix issues before failure occurs.

Software

Preventive Maintenance (PM)

Scheduled servicing to prevent breakdowns and extend lifespan.

Service

Proposal / Quotation

A formal price offer sent to a prospect for service or installation.

Service

Punch List

Outstanding items to be closed before project handover.

Service

Purchase Order (PO)

A document issued to a supplier authorizing parts or services.

Software

Q

Quote-to-Cash

The end-to-end process from generating a quote to receiving payment.

Service

QR Code Tagging

Placing scannable codes on equipment for quick on-site identification.

Software

R

Recall Operation

Returning the elevator to a designated floor under fire or emergency signal.

Compliance

Renewal Pipeline

Upcoming AMC contracts due for renewal in the next period.

Service

Reports & Dashboards

Visual analytics on revenue, jobs, SLAs, and asset health.

Software

Roping (1:1, 2:1)

The mechanical ratio of the hoist rope arrangement between motor and car.

Technical

Route Optimization

Software-driven scheduling that minimizes technician travel time.

Software

S

Safety Gear

A mechanical device that grips the guide rails to stop an overspeeding car.

Technical

SaaS (Software-as-a-Service)

Cloud-hosted software accessed by subscription, like ElevatorPlus.

Software

Sales Pipeline

A visual representation of deals at each stage of the sales cycle.

Software

Service Level Agreement (SLA)

A contractual commitment to response and resolution times.

Service

Sheave

The grooved pulley that drives the hoist ropes in a traction elevator.

Technical

Site Engineer

The technician primarily assigned to a specific building or cluster.

Service

Spare Parts Catalog

A structured list of parts with codes, prices, and stock levels.

Software

Statutory Compliance

Adherence to local lift acts, safety codes, and inspection rules.

Compliance

Stretcher Lift

A larger elevator car size required in hospitals to accommodate stretchers.

Technical

T

Technician App

A mobile app for field engineers to receive jobs, log work, and capture signatures.

Software

Third-Party Audit

An independent safety or quality audit performed by an external agency.

Compliance

Ticket Lifecycle

The full path of a complaint from open → assigned → resolved → closed.

Service

Traction Elevator

An elevator driven by ropes and a sheave, suited for mid- to high-rise buildings.

Technical

Turnaround Time (TAT)

The total time taken to resolve a service request.

Service

U

Uptime

The percentage of time an elevator is operational; the inverse of downtime.

Service

User Roles & Permissions

Access control settings that define what each user can view or edit.

Software

V

Vendor Management

Tracking suppliers of spare parts, materials, and outsourced services.

Software

VVVF Drive (Variable Voltage Variable Frequency)

A drive that smoothly controls motor speed for ride comfort and energy savings.

Technical

Visit Frequency

The number of preventive maintenance visits per elevator per year.

Service

W

Warranty Period

The post-installation duration during which defects are repaired at no cost.

Service

Work Order

A formal instruction to perform a specific service or installation task.

Service

WhatsApp Integration

A channel to send job updates, invoices, and alerts directly to customers.

Software

Wireless Diagnostics

Remote fault diagnosis using IoT-connected controllers.

Software

X

XLPE Cable

Cross-linked polyethylene insulated cable, commonly used in elevator traveling cables.

Technical

XML Data Feed

A structured data format sometimes used to integrate ElevatorPlus with ERP systems.

Software

Y

Year-End Compliance Report

A consolidated annual report submitted to regulators and customers.

Compliance

Yield (Service Yield)

Revenue generated per elevator under contract; a profitability metric.

Service

Z

Zero-Downtime Maintenance

Servicing without taking the elevator fully out of operation, where possible.

Service

Zoning (Elevator Zoning)

Grouping floors served by specific elevators in tall buildings to optimize traffic.

Technical

Zone-based Dispatch

Assigning technicians to fixed geographic zones for faster response.

Software

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