1. Inspection Tags and Dates

Annual Inspections: Fire extinguishers should be inspected by a professional annually. The inspection tag will show the last service date. Monthly Checks: Conduct a visual check monthly to ensure the extinguisher is in good condition.

2. Pressure Gauge

Pressure Level: Check the pressure gauge regularly. The needle should be in the green zone. If it’s in the red zone (either too high or too low), the extinguisher needs to be serviced or recharged.

3. Physical Condition

Damage: Inspect the extinguisher for any visible damage, such as dents, rust, leaks, or a missing pin. Any physical damage requires immediate servicing. Hose and Nozzle: Ensure the hose and nozzle are free of cracks, blockages, or wear.

4. Discharge History

After Use: Even if the extinguisher was only partially used, it needs to be recharged immediately after any use.

5. Manufacturer’s Guidelines

Expiration Date: Some extinguishers have an expiration date. Follow the manufacturer’s guidelines for the lifespan of the extinguisher. Maintenance Schedule: Refer to the manufacturer's manual for recommended service intervals.

6. Professional Servicing

Every 5-12 Years: Depending on the type of extinguisher, it may require a more thorough professional inspection or hydrostatic testing every 5 to 12 years.

If you notice any of the issues above or if the extinguisher is due for its scheduled maintenance, it’s time to have it serviced or recharged by a certified professional.