Fire & Life Safety

BuildingWrench repair guide

Fire & Life Safety

AED Inspection & Readiness: A Facility Maintenance Guide

AED maintenance is mostly about readiness: the device is where it belongs, accessible, showing a normal ready status, and stocked with unexpired model-approved pads and battery.

Last reviewed 2026-09-15 · General facility-maintenance information, not a substitute for site procedures, manufacturer instructions, codes, or qualified professional judgment.

Ask Steve About This

Safety boundary

Life-safety equipment: An AED must be ready when someone is in cardiac arrest. This guide is for readiness inspections, not internal repair or medical training. During an emergency, call 911, begin CPR as trained, retrieve the AED and follow its voice/visual prompts.

What to check first

Bring these

  • Flashlight
  • Site AED program and inspection record

Before touching anything

  • Use the AED manufacturer's inspection schedule and your facility's emergency-response/AED program.
  • As a practical facility routine, a documented monthly readiness check is a useful baseline unless the manufacturer or site program requires more frequent checks.
  • Also check after an AED has been used, after an alarm/error indication, and after any event that could have damaged the cabinet or device.

What to do

  1. 1Status indicatorConfirm the device displays the manufacturer's normal ready/OK status. A red, failed, blank or unfamiliar status indication requires follow-up using the device manual or service provider.
  2. 2Access and cabinetConfirm the AED is in its designated location, readily accessible, not blocked, and the cabinet/signage are intact. If the cabinet has an alarm, verify it according to the site's approved procedure without compromising AED readiness.
  3. 3Pads and batteryCheck that electrode-pad packages are sealed and within their expiration date, and that the battery status/expiration or replacement date is acceptable for the model. Confirm required pediatric pads/key, spare battery or other site-required accessories are present where applicable.
  4. 4Physical conditionLook for cracks, contamination, moisture, missing components, damaged cables/connectors or evidence of tampering. Do not dismantle the AED for a routine facility inspection.
  5. 5Rescue kit and signageVerify the site's intended rescue supplies are present and usable, such as gloves, scissors, razor and barrier mask, and that directional/AED signage remains visible.
  6. 6After the AED is usedDo not simply return it to the cabinet. Follow the manufacturer's post-use process and the facility's medical/emergency-response program. Typically this includes replacing used pads and other consumed supplies, checking/replacing the battery if required, cleaning the device as instructed, downloading/event-data handling only by authorized personnel, and confirming the AED returns to its normal ready status before it is placed back in service.

What to record

Record AED location/ID, date, ready-status indication, pad expiration, battery status/date, cabinet/access condition, accessory status, deficiencies and corrective action. Keep the record consistent with your facility's AED program and manufacturer recommendations.

References and further reading

American Heart Association — What is an AED? Manufacturer's instructions for the exact AED model installed at your facility.

Preventive maintenance

  • Documented monthly readiness check of status, access, pads, battery, condition and rescue supplies.
  • Re-check after any use, alarm/error indication or possible damage to the cabinet or device.

Stop and call a licensed professional when

  • The ready/OK indicator is not normal or the AED reports an error.
  • Pads or battery are expired, near the facility's replacement threshold, damaged or missing.
  • The AED has been used.
  • The cabinet, AED, cable, connector or accessories are damaged or contaminated.
  • The unit was exposed to water, extreme temperature or another condition outside manufacturer limits.
  • Required accessories are missing and cannot be replaced with the exact approved item.
  • You cannot verify the device is rescue-ready — call your AED service provider.

Related guides