Search found 1 match
- Sun May 22, 2022 12:48 pm
- Forum: CPAP and Sleep Apnea Message Board
- Topic: HDM Z1 Have a fault 33 code. Anyone know how to fix it?
- Replies: 63
- Views: 89758
Re: HDM Z1 Have a fault 33 code. Anyone know how to fix it?
I have a similar experience with the Fault 33 on my seldom used Z1 CPAP. Purchased in 2015, I've used it on short trips when I haven't wanted to haul my larger one along, probably two dozen times at most. Given the posts on the CMOS battery, I replaced the board soldered button battery (reading 2.2v...