Inspect – Check the pressure gauge to confirm the extinguisher no longer holds a charge. Note if the nozzle was clogged or any other damage occurred.
Remove from service – remove the non-working extinguisher from its usual spot so no one tries using it in the future. Mark as “Out of Service”.
Replace with equivalent extinguisher.
Replace contents – Contact a licensed service company to recharge the extinguisher with new expellant gas and firefighting agent based on the type needed.
Test & reinstall – After recharging, test the extinguisher briefly to confirm it works. Replace in its marked wall location once fully confirmed functional.
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