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Question:

What dose it mean when the smoke detector goes off when there is no fire and the battery is brand new?

What dose it mean when the smoke detector goes off when there is no fire and the battery is brand new?

Answer:

I am a fire extinguisher technician and there are several potentially BIG problems with re-charging your own extinguisher. First, fire extinguishers are tested and listed to be used with very specific chemicals. A list of chemicals listed for use with yours should be on the label. If you used purple k in an extinguisher designed and listed for another chemical, you may well not get the fire fighting capability it was designed for. Additionally, CO2 is used as a fire extinguishing agent (not a pressurizing agent) in specially designed units that help prevent the discharge into you of a potentially fatal static electricity charge that develops when CO2 rushes through an orifice. The usual pressure agent in a dry chemical extinguisher is NOT CO2, this is DANGEROUS! Then there are other safety issues such as interior inspection for pits or corrosion, periodic hydrostatic testing to verify cylinder integrity, checking all parts for wear, etc. I strongly recommend that unless you are trained to service fire extinguishers, you leave all service to the trained pros for the sake of your life and the lives of others. Based on what you stated in your question, you should take this extinguisher to a certified company, have it condemned, and buy a new one since it is not safe to discharge a dry chemical unit filled with CO2. Hope this helps.
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