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Machine Smells Like Burning Plastic
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Nirvana Offline

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Posts: 21
Joined: Dec 2013

Machine: RESMED
Mask Type: Full face mask
Mask Make & Model: Quattro Air
Humidifier: RESMED
CPAP Pressure: 7-12
CPAP Software: ResScan

Other Comments: Started CPAP 12/3/2013

Sex: Male
Location: United States

Post: #1
Machine Smells Like Burning Plastic
I have a ResMed S9. The last few weeks it's been smelling like burning plastic. I unhooked the hose and the smell is coming out of the machine. I don't use the humidifier, so it's the machine... It's less than a year old. Any idea of what might be going on?
11-30-2014 05:57 PM
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zonk Offline

Advisory Members

Posts: 7,908
Joined: Feb 2012

Machine: A10 AutoSet
Mask Type: Nasal mask
Mask Make & Model: Activa LT
Humidifier: Integrated /ClimateLineAir
CPAP Pressure: 9/13
CPAP Software: ResScan

Other Comments: CPAP since Nov 2010

Sex: Male
Location: Australia

Post: #2
RE: Machine Smells Like Burning Plastic
Is that the same smell when the humidifier ran of water?
In any case, machines comes with two years warranty and as you're still in the warranty period, your DME may replace the machine
I would be inclined to clean everything thoroughly and change the filter too
11-30-2014 06:33 PM
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Nirvana Offline

Preferred Members

Posts: 21
Joined: Dec 2013

Machine: RESMED
Mask Type: Full face mask
Mask Make & Model: Quattro Air
Humidifier: RESMED
CPAP Pressure: 7-12
CPAP Software: ResScan

Other Comments: Started CPAP 12/3/2013

Sex: Male
Location: United States

Post: #3
RE: Machine Smells Like Burning Plastic
Yeah, it's the same smell. Will it hurt me to use it until it can be replaced? The smell is bad... but I don't wanna wake up feeling half dead if I don't use it.
11-30-2014 07:07 PM
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Mike1953 Offline

Preferred Members-2

Posts: 134
Joined: Aug 2014

Machine: Resmed S9 Escape Auto
Mask Type: Nasal pillows
Mask Make & Model: Resmed P10
Humidifier: Resmed Hi5
CPAP Pressure: 12
CPAP Software: ResScan SleepyHead

Other Comments:

Sex: Male
Location: Kansas USA

Post: #4
RE: Machine Smells Like Burning Plastic
Your DME should give you a loaner until your machine can be repaired or replaced. Each year your DME should do a check and clean on your machine, which sounds like its about time for yours. General rules for DME's 0-2 years replace, 2-4 repair if possible, 5 year new machine under insurance co-pay.
11-30-2014 07:53 PM
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Sleepster Offline
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Posts: 4,991
Joined: Feb 2012

Machine: ResMed AirCurve10 VAuto
Mask Type: Full face mask
Mask Make & Model: F&P Simplus
Humidifier: HumidAir and SlimLine Hose
CPAP Pressure: MaxI 13.6 | MinE 5.2 | PS 4.4
CPAP Software: ResScan SleepyHead

Other Comments: Diagnosed Nov 2011. Conquered aerophagia.

Sex: Male
Location: Houston, Texas

Post: #5
RE: Machine Smells Like Burning Plastic
(11-30-2014 05:57 PM)Nirvana Wrote:  I have a ResMed S9. The last few weeks it's been smelling like burning plastic. I unhooked the hose and the smell is coming out of the machine. I don't use the humidifier, so it's the machine... It's less than a year old. Any idea of what might be going on?

Perhaps you accidentally turned on the humidifier?

Check to make sure the humidifier is turned off, or put some water in the humidifier tank, or remove the humidifier from the machine.

Sleepster
Apnea Board Moderator
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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.
11-30-2014 11:14 PM
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Paralel Offline

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Posts: 68
Joined: Aug 2014

Machine: Respironics PR System One 60 Series REMstar Auto with A-flex
Mask Type: Full face mask
Mask Make & Model: ResMed Mirage Quattro
Humidifier: Respironics PR System One 60 Series Humidifier with Heated Tube
CPAP Pressure: 10-13
CPAP Software: SleepyHead EncoreBasic

Other Comments:

Sex: Male
Location: Mitten State, USA

Post: #6
RE: Machine Smells Like Burning Plastic
I would send it for warranty and discontinue using it ASAP. The chemical products generated from burning/heated off-gassing plastics are extremely toxic to humans.
(This post was last modified: 12-01-2014 01:48 AM by Paralel.)
12-01-2014 01:48 AM
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Eurika Offline

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Posts: 92
Joined: Nov 2014

Machine: Airsense10 Autoset
Mask Type: Nasal pillows
Mask Make & Model: P10 & Nuance Gel
Humidifier: Intergrated
CPAP Pressure: 5 to 11.4
CPAP Software: ResScan SleepyHead

Other Comments:

Sex: Male
Location: Singapore

Post: #7
RE: Machine Smells Like Burning Plastic
+1 Paralel.

If it smells bad it probably is bad, and you don't want that toxic malodorous stuff in your body.

Failure is NOT an option.
12-01-2014 04:58 AM
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Evpraxia Offline

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Posts: 313
Joined: Aug 2014

Machine: ResMed S9 AutoSet
Mask Type: Nasal pillows
Mask Make & Model: ResMed Swift LT for Her - Nasal Pillows System
Humidifier: ResMed H5i
CPAP Pressure: 7-17
CPAP Software: ResScan SleepyHead

Other Comments: Cat Staff, bibliophile, love Classical & Byzantine music

Sex: Female
Location: Pacific Northwest USA

Post: #8
RE: Machine Smells Like Burning Plastic
Agree with the above comments: DEFINITELY do not use it if it smells like burning plastic.

I doubt it is providing the correct pressure since something is not right with the APAP.

Evpraxia in the Pacific Northwest USA
Diagnosed: 44 AHI when supine, O2 down to 82%
Treated since 20 Sept 2014:: 0.7 AHI, Settings 7-15, EPR on Full Time at Level 3
Better living through CPAP/APAP machines!
12-01-2014 02:14 PM
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archangle Offline
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Advisory Members

Posts: 3,159
Joined: Feb 2012

Machine: ResMed S9 AutoSet
Mask Type: Nasal pillows
Mask Make & Model: ResMed Swift FX
Humidifier: ResMed S9 H5i
CPAP Pressure: 16-20
CPAP Software: ResScan SleepyHead EncoreBasic

Other Comments: Happy PAPper

Sex: Undisclosed
Location: USA

Post: #9
RE: Machine Smells Like Burning Plastic
Be sure it's not simply something near the air inlet of the machine.

If you don't use the humidifier, remove it as a test. It detaches from the blower unit.

Take out the filters from the back of the blower unit (temporarily) hook the hose up to the blower unit. Take the whole setup to another room.

Turn the machine on for 10 or 15 seconds and let air blow to let it air out while not wearing the mask. Then see if you smell the smell in the mask.

As for being toxic, it can be, but we're way too panicky about such smells. If it's just a smell, the machine can't be producing that much of the chemicals involved because the chemicals have to some out of the machine and it has to be evaporating something to produce the smell.

The really toxic stuff is usually colorless, odorless, and tasteless, so if you don't see, smell, or taste anything, it's probably toxic. Rolleyes

Get the free SleepyHead software here.
Useful links.
Click here for information on the main alternative to CPAP.
If it's midnight and a DME tells you it's dark outside, go and check it yourself.
12-01-2014 03:27 PM
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