You've done the right thing. You've researched the models, found the budget, and finally installed an Automated External Defibrillator (AED) in your office, gym, or community center.

But here's the hard truth: An AED is not a "set it and forget it" device.

In Canada, thousands of AEDs are currently "out of service" without their owners even knowing it. Whether it's a battery that died unnoticed or pads that expired two years ago, a neglected AED is nothing more than a heavy box on a wall when a life is on the line.

The "Silent" Expiry: Why Maintenance Matters

Unlike a fire extinguisher, which often just needs a visual pressure check, an AED is a sophisticated computer. It relies on two critical "consumables" that have strict shelf lives:

AED Pads: The adhesive gel on the pads dries out over time. If the gel is dry, the pads won't stick to the chest or conduct the electricity needed to restart a heart. Most pads expire every 2 to 5 years.

Batteries: Even if the AED is never used, the battery is constantly running internal "self-tests." These lithium batteries typically last 2 to 5 years before they lose the charge required to deliver a life-saving shock.

The Reality Check: If your AED fails during an emergency because of poor maintenance, your "Good Samaritan" legal protections could be at risk. Most Canadian laws protect you only if the device was properly maintained according to manufacturer standards.

The Monthly Maintenance Routine That Takes Less Than 2 Minutes

You don't need a technician. You don't need special training. You just need a system.

Here's what a proper monthly AED inspection looks like:

Step 1: Check the Status Indicator

Look at your AED. Most models have a visible light or symbol on the front:

• Green light or checkmark? You're good.
• Red light, X symbol, or beeping sound? Your AED needs immediate attention. Contact your supplier or manufacturer right away.

This single check tells you if the device has detected a problem during its automatic self-test.

Step 2: Verify the Expiration Dates

Open the AED case (you don't need to power it on). Check two things:

Electrode Pads: Look for the expiration date printed on the sealed pad package. Write down the lot number and expiry date. If they're expired or within 3 months of expiring, order replacements immediately.

Battery: Check the battery expiration or install date. Note the lot number and expiry. If it's expired or close to expiring, replace it before it fails.

Step 3: Inspect Physical Condition

Quick visual check:

• Any cracks, damage, or dirt on the device?
• Is the case intact and properly sealed?
• Are the pads still vacuum-sealed in their package?

If anything looks off, clean it according to manufacturer's instructions or contact support.

Step 4: Document Everything

This is the step most people skip—and the one that matters most if you ever face an inspection or legal inquiry.

Use a simple maintenance log. Record:

• Date of inspection
• Status indicator result (green/red)
• Pad expiry date and lot number
• Battery expiry date and lot number
• Inspector's initials

Keep this log with the AED or in your safety files. It takes 30 seconds and proves you've maintained the device properly.

Special Note for Defibtech Lifeline Users

If you own a Defibtech Lifeline AED, there's one extra step: the 9-volt battery that powers the Active Status Indicator needs to be replaced annually. This small battery runs the self-test feature. If it dies, your AED won't alert you to problems—and you won't know your main battery or pads have failed.

Mark your calendar. Replace it every 12 months.

Download Your Free Monthly Maintenance Checklist

We've created a simple, printable checklist you can use to track your AED's health all year long. It includes:

• Month-by-month tracking grid
• Space for serial number, location, and lot numbers
• Clear inspection guidelines
• Direct contact info for parts and support

Download the AED Operator's Monthly Maintenance Checklist

Print it. Post it near your AED. Assign one person to check the device on the same day every month—first Monday, last Friday, whatever works. Build the habit, and your AED will be ready when it matters.

What to Do If Your AED Fails a Monthly Check

Red light or beeping? Don't panic, but don't wait either. Contact your AED supplier or manufacturer immediately. Most issues are fixable—dead battery, loose connection, or expired pads. But you need to address it now, not next month.

Expired pads or battery? Order replacements right away. Don't let your AED sit "out of service" for weeks because you forgot to reorder. Many suppliers offer auto-ship programs that send you replacement parts before they expire.

Visible damage? Stop using the device and contact the manufacturer. A cracked case or damaged components could mean the AED won't function properly in an emergency.

Why Most Organizations Fail at This

It's not because they don't care. It's because they don't have a system.

The person who bought the AED leaves the company. The safety committee assumes someone else is checking it. Monthly inspections get skipped during busy periods. And because AEDs don't send reminder emails or make noise when parts expire, they're easy to forget.

Here's how to prevent that:

Assign a specific person. Not a department. Not "whoever's available." One person who owns the responsibility.

Set a recurring calendar reminder. Same day every month. Make it impossible to forget.

Keep the checklist visible. Post it near the AED or in the safety binder. If it's tucked away in a drawer, it won't get used.

Review annually. During your yearly safety audit, review the maintenance log. Make sure inspections are actually happening and that replacement parts are being ordered on time.

The Bottom Line

An AED is one of the most important pieces of safety equipment you'll ever own. But it's only as reliable as the attention you give it.

Two minutes a month. Twelve times a year. That's all it takes to ensure your device is ready to save a life.

Don't let your AED become another forgotten safety checkbox. Build a system, stick to it, and know that when the moment comes, your device will work exactly as it should.

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Is your AED rescue-ready right now?

Download Your Free Monthly Maintenance Checklist and make sure it stays that way.

For replacement parts or support, contact AED Solutions:
? 1-800-260-6362
✉️ customercare@aedsolutions.ca
? www.aedsolutions.ca