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Apex XT Auto CPAP - Error 003 - Factory Reset?
Apex XT Auto CPAP - Error 003 - Factory Reset?
Hi, all.  I've got the Apex XT Auto CPAP machine which has been working great for me.  Yesterday, I powered it on, and I now get an "Error 003" on the display, which then stays there.  The manual says that error is "Error for abnormal timer setting or timer failure".  I've tried several things to try to get past that error, to no avail:

- Power cycling the unit
- Letting the battery die, then powering it back up again
- Long pressing on all the individual buttons.
- Pulling out the SD card
- Took the unit apart, no obvious circuit board burns/resistor failures/etc.

My last hope to try to fix this myself is maybe either some kind of factory reset, or maybe even a firmware reload (although I think the firmware is a soldered EEPROM chip, so probably not).

Anyone else had/been able to resolve that "Error 003" problem?

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