System-health checklist

Preventive Security Maintenance Checklist

Use this checklist to prepare for a professional system-health review and to document concerns that may be developing between visits. It does not replace manufacturer instructions, qualified service, or a property-specific maintenance agreement.

Explore preventive maintenance
Property / organization
Prepared by
Date
Review contact
01

Field devices

Look for changes that affect useful performance.

  • Lens cleanliness, focus, image quality, and obstruction
  • Camera or sensor alignment and mounting condition
  • Alarm, intercom, reader, lock, gate, and request-to-exit operation
  • Visible cable, conduit, enclosure, seal, and tamper condition
  • Representative day, night, and event performance
Notes
02

Recording & evidence

Confirm that useful information is actually available.

  • Current time and date across systems
  • Live view, playback, event search, and export
  • Expected retention and usable storage capacity
  • Recorder, server, drive, and system-health alerts
  • Audio, analytics, bookmarks, and evidence-handling workflow where used
Notes
03

Network, power & remote access

Review the infrastructure that keeps systems reachable.

  • Switch, PoE, link, network, and connectivity status
  • UPS, battery, power supply, and backup operation
  • Remote access, administrator accounts, and multi-factor settings
  • Firmware, software, certificate, and supported-version status
  • Notification destinations and failed-alert history
Notes
04

People & documentation

Keep ownership and records current.

  • Authorized users, roles, credentials, and offboarding
  • Monitoring contacts, escalation order, and dispatch instructions
  • Device naming, drawings, passwords, and configuration records
  • Previous findings, unresolved items, and recurring failures
  • Training needs, lifecycle risks, and planned expansion
Notes
Two Three Factor Security technicians coordinating exterior camera coverage at a community vehicle gate — Three Factor Security fieldwork in Los AngelesFieldwork inLos Angeles
Exterior camera and gate coverage coordinated by two field technicians

Authentic Three Factor Security field work

Practical guidance informed by real project conditions.

Our planning resources reflect the questions, constraints, and decisions that appear during site reviews, installation, commissioning, handoff, maintenance, and system expansion.

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Begin with a professional assessment

Turn the worksheet into a property-specific recommendation.