After being on the PLV-100 for 27 years I have switched to a Trilogy 100. So the first day did not go so good. First, the inspiration was so loud! That night, it kept alarming with a vague "check circuit" message. Switched back to the PLV-100.
After some searching and discussions with my RT, we decided to change from the passive circuit to the active circuit (adds exhalation and proximal pressure tubing). The active exhalation valve is MUCH quieter than the passive exhalation valve. It also solved all the problems with the constant alarming. I've been on it 24/5 now and have not had any problems. Ordered the external battery cable then should be all set.
