Inventory & Equipment Guide

Published: 2026-10-30 · Reviewed: 2026-11-04

How to Keep an Equipment Maintenance Log: A Practical Guide

Most equipment doesn’t fail out of nowhere, it fails after months of small warning signs that nobody wrote down. An Equipment Maintenance Log is the written memory of every service, repair, and inspection your equipment receives. It turns maintenance from a series of emergencies into a schedule, and it gives you the evidence to decide whether an ageing machine is worth another repair or ready for replacement.

It covers any equipment that needs looking after: printers, air conditioners, vehicles, production machinery, kitchen appliances. Pair it with the Asset Register, which tells you what you own, the maintenance log tells you what you’ve done to keep it running.

When to Use This

Start logging from the day a piece of equipment arrives, beginning with its first scheduled service, not from the day it first breaks down. A log that only records breakdowns is a repair history, not a maintenance system, and it can’t help you prevent the next failure.

Use it for two jobs: scheduling preventive maintenance before things fail, and building a cost history per machine. When the same printer has needed three callouts in six months, the log makes the “repair or replace” conversation a matter of numbers instead of opinions. Warranty claims and insurance claims also go far more smoothly with dated service records.

How to Fill It Out

Section 1: Equipment identification. Reference the asset ID from your Asset Register so every entry ties to a specific machine, never log maintenance against a vague description like “the big printer”. Include the equipment name and location as a cross-check, since IDs get mistyped.

Section 2: Date and type of maintenance. Record the date the work was done and classify it: scheduled preventive service, inspection, repair, or emergency breakdown. The distinction matters, if your log shows plenty of repairs but no preventive services, that’s a diagnosis in itself. Note the mileage, operating hours, or cycle count too, where the equipment has a meter; many service intervals are based on usage, not calendar time.

Section 3: Work performed. Describe what was actually done in plain language: “replaced feed rollers and cleaned paper path”, not “serviced printer”. Vague entries (“general maintenance”) are useless six months later when you’re trying to work out whether a recurring fault was ever properly fixed. List parts replaced, with part numbers where you have them.

Section 4: Performed by and cost. Record who did the work, in-house technician, contractor, or manufacturer service, plus labour and parts costs. Costs accumulate into the lifetime maintenance total that drives replacement decisions. Keep contractor names consistent so you can see at a glance who you keep calling back.

Section 5: Findings and next due date. Note anything the technician flagged, wear observed, parts likely to need replacement soon, recommended actions. Then set the next service due date (or due mileage/hours) and write it down as a firm commitment, not a vague intention. A maintenance log without next-due dates is just a diary; with them, it’s a schedule.

Common Mistakes

1. Only logging breakdowns. If the log starts when something breaks, you’ll never build the preventive schedule that stops breakdowns happening. Record every service, inspection, and check, including the ones where nothing was wrong. “Inspected, no issues found” is a valid and valuable entry.

2. Vague descriptions. “Fixed it” tells future-you nothing. Six months later, when the same fault returns, you need to know exactly what was done last time to judge whether the repair failed or a new problem appeared. Write entries as if a stranger will read them, because eventually one will.

3. No next-due date. Work gets done, the entry is filed, and nobody schedules the follow-up. Every preventive entry should produce a next-due date, and someone should own a monthly check of what’s coming due. Otherwise the log documents maintenance without actually maintaining anything.

4. Ignoring the manufacturer’s schedule. The manual’s service intervals exist for a reason, and skipping them can void warranties. Check the recommended schedule when equipment arrives, put those dates in the log as the baseline, and adjust only with a documented reason, not because everyone was busy that month.

Who Needs to Sign Off

The technician or contractor performing the work records the entry and signs it. The facilities or office manager reviews entries for completeness and owns the schedule of upcoming services. For expensive repairs, get a manager’s approval before the work is commissioned, the log’s cost history is exactly what justifies (or challenges) that approval.

How Often to Review and Update

Log every maintenance event on the day it happens. Review upcoming due dates monthly and book services in advance, technicians and parts both need lead time. Once a year, review each major asset’s full history: total maintenance cost against replacement cost, frequency of breakdowns, and whether the preventive schedule is actually preventing anything. That’s the review that turns a log into decisions.


Download the free Equipment Maintenance Log template.