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S9 Autoset climateline technical question?
#1
Hi, a question for someone with a multimeter and a climateline hose.
Could you maybe measure the resistances across the 3 contacts for me please?

I've had no problems with rainout for over 2 yrs but am now getting some. I'm not sure if it's the climateline hose or how to check it's working.
I've not checked the voltage at the machine contacts yet, I thought I'd resistance check the heater coil in the tubing first. I'm getting 10 ohms between contacts 1+2 and open circuit between contact 3 and the others.
Have nothing to compare what is normal at the moment.
Any advice?
Many thanks.
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#2
G'day Wirdy, welcome to Apnea Board.

My multimeter's a bit old and dodgy but the following are approximately right:

Pin 1 - Pin 2: 5 ohm
Pin 1 - Pin 3: 175
Pin 2 - Pin 3: 175

Those numbers may be off a bit, but there's definitely a current between Pin 3 and the others.

In the States they apparently replace these hoses after 6 months. Mine's about 18 months and still OK, touch wood.
DeepBreathing
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#3
(03-07-2015, 06:53 AM)DeepBreathing Wrote: G'day Wirdy, welcome to Apnea Board.

My multimeter's a bit old and dodgy but the following are approximately right:

Pin 1 - Pin 2: 5 ohm
Pin 1 - Pin 3: 175
Pin 2 - Pin 3: 175

Those numbers may be off a bit, but there's definitely a current between Pin 3 and the others.

In the States they apparently replace these hoses after 6 months. Mine's about 18 months and still OK, touch wood.

Paul: Try between 1 or 2 and pin 3 in both polarities.
Pins 1 to 2 must be the heater; with one pin being the common.
Pin3 is likely the sensor. It may be a thermistor; or it could be a forward diode.

If a thermistor, it will read the same either polarity; if a diode it may appear open for one polarity.

@wirdy - I would guess your sensor has gone open circuit.

INFORMATION ON APNEA BOARD FORUMS OR ON APNEABOARD.COM SHOULD NOT BE CONSIDERED AS MEDICAL ADVICE. ALWAYS SEEK THE ADVICE OF A PHYSICIAN BEFORE SEEKING TREATMENT FOR MEDICAL CONDITIONS, INCLUDING SLEEP APNEA. INFORMATION POSTED ON THE APNEA BOARD WEB SITE AND FORUMS ARE PERSONAL OPINION ONLY AND NOT NECESSARILY A STATEMENT OF FACT.
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#4
thanks very much. As I suspected, I think my hose is goosed.
That's good though, it means it's the cheaper thing to fix!
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#5
It reads the same every which way, so likely a thermistor rather than a diode.
DeepBreathing
Apnea Board Moderator
www.ApneaBoard.com


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INFORMATION ON APNEA BOARD FORUMS OR ON APNEABOARD.COM SHOULD NOT BE CONSIDERED AS MEDICAL ADVICE. ALWAYS SEEK THE ADVICE OF A PHYSICIAN BEFORE SEEKING TREATMENT FOR MEDICAL CONDITIONS, INCLUDING SLEEP APNEA. INFORMATION POSTED ON THE APNEA BOARD WEB SITE AND FORUMS ARE PERSONAL OPINION ONLY AND NOT NECESSARILY A STATEMENT OF FACT.
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#6
Hi wirdy,
WELCOME! to the forum.!
Hang in there for more responses to your post and much success to you with your CPAP therapy.
trish6hundred
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