A big huge thank you to all of you, especially Pugsy whose detailed answers and references inspired me to do the unthinkable: read the manual. Between all your help and the manual, I realized that: 1) Make sure the heat icon is orange. Other colors means heated tube is disabled. 2) When #1 is the ca...

Crank the hose setting to 5. Let the machine run for 5 min (approximately), then grab the tube. It should feel relatively warm. That's how I checked mine, anyhow. Works for me. That's what I would have thought, however my tech disagreed. My tube has never felt at all warm to the touch regardless of...

Thank you so much for the detailed reply. I do know the humidifier is working because the plate and water get warm. I do know it recognizes my heated tube because it shows 15H for tube type. My understanding is that your steps are more about the working of the humidifier and I'm not sure if that's a...

I'm just starting with CPAP therapy. I have a REMstar Auto A-Flex and System One Heated Humidifier system with heated tubing. Is there a sure way to test to see if the heated tubing is actually heating as it should? I was told it doesn't necessarily feel warm when running so... I'm just not confiden...