Help, my aussie heated hose is not working

General Discussion on any topic relating to CPAP and/or Sleep Apnea.
bigcat
Posts: 82
Joined: Sat Jan 29, 2005 11:18 pm

Help, my aussie heated hose is not working

Post by bigcat » Thu Aug 27, 2009 9:32 pm

I made sure it was plugged in correctly, the plug is warm, and I tried the outlet on my clock. I made sure the connection was good and tight at the plug / hose position. Any ideas? It is less than a year old and I have been very careful with it. Thanks

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jdm2857
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Location: South Jersey

Re: Help, my aussie heated hose is not working

Post by jdm2857 » Thu Aug 27, 2009 10:10 pm

Do you, by any chance, have a volt-ohm meter or digital multimeter?
jeff

bigcat
Posts: 82
Joined: Sat Jan 29, 2005 11:18 pm

Re: Help, my aussie heated hose is not working

Post by bigcat » Thu Aug 27, 2009 10:59 pm

I don't have a volt ohm meter but will go get one. Any ideas
as a best place to get one? Thanks

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ozij
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Re: Help, my aussie heated hose is not working

Post by ozij » Thu Aug 27, 2009 11:04 pm

Two helpful suggestions, with photographs, from Linus

viewtopic.php?p=346511#p346511

viewtopic.php?p=338282#p338282


My own problem was solved when I got a new power supply -- and I got a 2.5 amp one, which doesn't change the heat the hose generates -- but keeps the power supply from getting overwhelmed by the hose's power demands and overheating. Won't a new power supply be cheaper that a volt ohm meter?

O.

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jdm2857
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Location: South Jersey

Re: Help, my aussie heated hose is not working

Post by jdm2857 » Thu Aug 27, 2009 11:20 pm

You can pick up a cheap digital multimeter at Radio Shack or even Home Despot

First disconnect the hose from the power supply.

You want to set the meter to measure DC Volts (25 volt or more scale) and measure the voltage supplied where the hose plugs into the supply. I believe that the supply is supposed to put out 12 V DC. If you don't find the voltage the supply is bad.

You also want to set the meter to measure resistance (Ohms) and measure between the two pins on the hose plug. A good hose should give you a reading of around 6 ohms. A bad hose will read as an open circuit (the meter will read the same as before you connected it to the hose.)
jeff