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Guide

What is preventive maintenance software? Visits that schedule themselves.

Preventive maintenance is the work you do before something fails. The software generates those visits from the contract, gives the engineer a checklist and keeps the completed record as evidence you can show.

Written by a team that builds service softwareContract-driven, not diary-drivenUpdated September 2026
The short answer

Preventive maintenance software in two paragraphs

Preventive maintenance, usually shortened to PM, is planned work carried out on a machine at intervals to keep it running: cleaning, inspection, adjustment, calibration and the replacement of wear items. Preventive maintenance software creates those visits automatically from the contract or the machine's usage, assigns them, gives the engineer a checklist to complete and stores the result against the serial number.

The point is that nobody has to remember. A contract signed in April produces a visit in July without a coordinator scanning a folder, and a completed visit leaves behind a record that can be shown to a customer or an auditor a year later.

Two kinds of work

Preventive against breakdown maintenance

Every service department does both. The ratio between them is one of the more honest measures of how well the department is run.

Breakdown maintenancePreventive maintenance
Starts withA customer ringing in distressA date generated from the contract
TimingWhenever it happens, often the worst momentPlanned into the route in advance
PartsWhatever is needed, possibly not in stockKnown wear items, carried on the visit
Cost to youEmergency travel and an unplanned dayA scheduled slot on a planned route
Effect on the customerDowntime, and a difficult renewal conversationA visit they can see they paid for
Can it be eliminatedNoIt is the thing that reduces the other

A department consumed by breakdowns quietly stops delivering preventive visits, which produces more breakdowns. Software does not break that loop by itself, but it makes the loop visible: due visits sit on a list and stay there, in plain sight, until somebody either attends or decides not to.

How schedules appear

Visits generated from the contract, the calendar or the meter

The schedule should be a consequence of something already recorded, never a separate diary that a coordinator maintains by hand.

From the contract

A maintenance contract states how many visits are included and over what period. The moment that contract is created, the visits for its whole term should exist as planned jobs on that machine. If the contract is renewed, the next set follows. The contract side is covered in what is AMC software.

From the calendar

Machines outside a contract may still need fixed-interval attention, either because you promised it at installation or because the manufacturer recommends it. These are date-driven schedules tied to the asset rather than to an agreement.

From usage

Some equipment is better serviced on hours run, cycles completed or another meter reading than on a calendar. Meter and usage-based schedules raise the visit when the reading crosses a threshold, which the engineer records on the previous job.

Then the visit becomes ordinary work

Once generated, a preventive visit is assigned like any other job, planned into a technician's route with nearby calls, and closed with a job card. Because it competes for the same people as breakdown calls, seeing both on one schedule is what makes the week plannable.

The record

Checklists, calibration and the evidence you leave behind

A visit that produces no record is worth very little three months later, when the customer says the machine was never attended.

A useful preventive visit produces four things:

  • A completed checklist specific to that model, so the visit means the same thing regardless of which engineer attended.
  • Readings and observations, including any meter values that drive the next schedule.
  • Photographic proof and a customer signature captured on the mobile app at the site, working offline where there is no signal.
  • Any parts replaced, issued against the job so stock falls and the machine's history is accurate.

Calibration records deserve a particular mention. Where a machine's readings matter, the calibration performed and the date it is next due belong on the asset itself, not in a file. Hospitals and laboratories being audited will ask for them, and finding them quickly is the difference between a short conversation and a long one. What any specific audit or regulation requires of your business is something to confirm with your own advisers.

Aura Business generates preventive maintenance schedules from service contracts, supports calibration and compliance checklists, meter and usage-based scheduling, technician allocation and mobile job cards with photo proof and offline working. The product page is preventive maintenance software, and the surrounding workflow is in how service management works.

Questions

Common questions about preventive maintenance

What does PM mean in maintenance?

Preventive maintenance: planned work performed at intervals to keep a machine running, such as inspection, cleaning, adjustment, calibration and replacing wear items, as opposed to repairing a fault after it has occurred.

How many preventive visits should a contract include?

It is a commercial decision based on the machine, the site conditions and what the market expects for that product. Whatever number you promise, the schedule should be generated from the contract so the promise is delivered rather than remembered.

Can preventive maintenance be scheduled on usage instead of dates?

Yes, where a meter reading reflects wear better than the calendar does. The reading is captured by the engineer on the previous visit, and the next job is raised when it crosses the agreed threshold.

What should a PM checklist contain?

The steps specific to that model, the readings to record, the wear items to inspect or replace, any calibration to perform and a place for the customer signature. Model-specific checklists are what make two different engineers produce the same visit.

How does preventive maintenance affect contract renewals?

Strongly. A customer who has seen every promised visit renews as a matter of routine. A customer who only ever sees an engineer during a breakdown treats the renewal as an expense to question, because from their side the contract produced nothing visible.

Is this the same as a CMMS?

A maintenance management system is usually built for a factory maintaining its own machines. A dealer maintaining machines at customer sites also needs contracts, chargeability, spares consumption and invoicing, which is why service contract and field service modules sit alongside the schedules.

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