CMMS
Computerized Maintenance Management System
Software for planning preventive and reactive maintenance of machines, equipment and buildings — service tickets, schedules, spare parts, fault history.
What is CMMS?
CMMS (Computerized Maintenance Management System) is software for comprehensive maintenance management — of physical assets (machines, production lines, HVAC, vehicle fleets), buildings, and technical infrastructure. A CMMS maintains an asset register, schedules preventive maintenance based on intervals or machine hours, receives fault tickets, and tracks spare part consumption.
Key KPIs tracked by a CMMS:
- MTBF (Mean Time Between Failures) — average time between failures, a reliability indicator
- MTTR (Mean Time To Repair) — average repair time, a service quality indicator
- PM compliance — percentage of preventive maintenance performed on time
- Maintenance cost per unit — maintenance cost per manufactured unit
In a manufacturing company, a CMMS typically runs on mobile tablets carried by maintenance technicians — they receive a ticket from a machine operator, view the equipment history, request a spare part from the warehouse, and close the ticket with a photo and description after the repair.
When it is used
A CMMS is essential:
- In manufacturing with expensive machinery where downtime costs thousands of euros per hour
- In buildings with HVAC and lifts (mandatory statutory inspections)
- For vehicle fleets (roadworthiness tests, emissions checks)
- In energy and utilities (pressure vessel inspections, fire protection systems)
See the Maintenance module, the Production module, and the manufacturing industry page.
Related terms
- MES — CMMS and MES exchange machine status data. See /en/glossary/mes.
- OEE — downtime recorded in CMMS reduces OEE. See /en/glossary/oee.
- ERP — CMMS integrates with procurement and warehousing via ERP. See /en/glossary/erp.
In Modulario
The Maintenance module in Modulario provides CMMS functionality with integration into Warehouse (spare parts), Production (planning around maintenance windows), and Workflows (tickets and workflow). It supports QR codes on machines for quick fault reporting from a mobile device.
Maintenance technicians can scan QR codes placed directly on equipment — the system instantly shows the service history, current valid inspections, and allows a new service record to be started. After a ticket is closed, the spare parts used are automatically posted to accounting.
Related terms
MES
A system for real-time management and monitoring of production at shop floor level — who, what, on which machine and with what result is happening right now.
OEE
An indicator of total equipment effectiveness — the product of availability, performance and quality. The Industry 4.0 standard for measuring manufacturing productivity.
ERP
A comprehensive information system for managing company resources — finance, inventory, production, people and sales in one integrated platform.
MRP
Material requirements planning — calculating what to order or manufacture, when and in what quantity to cover planned orders.
Workflow automation
Technology that chains individual tasks and applications into automated processes — without human intervention for routine steps.
Implementing CMMS in your company?
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