Sleep Apnea Therapy User Manual Page 43
Fault, alert and reminder codes
Device LED Fault LED Error Comments
Off Flashes
14 times*
Blower over-temp The blower thermistor has reported an excessive temperature.
* If this fault occurs, check all tubes and hoses to ensure that they are properly connected. If the fault occured during
therapy, make sure the mask is properly fitted and not leaking. Check that all filters are properly installed and not
excessively dirty.
Smartcard fault codes
When the CPAP detects a problem while communicating with the smartcard, it flashes the yellow fault LED to identify the
error. The green device LED is also illuminated during this time to differentiate the fault from the non-smartcard faults
enumerated above. The fault is acknowledged by removing the card.
Device LED Fault LED Error Comments
On Flashes 1
times
Communication/
media error
CPAP was unable to establish or maintain communications with the
smartcard. This may be due to a card not seated correctly in the slot, a
bad/dirty slot connector or a defective card. Retry first with the same
card to see if it's a seating issue. Then try a different card to see if it's a
problem in the card or the CPAP.
On Flashes 5
times
Could not erase Probably a defective card but could be seating issue. Retry, if problem
persists, try different card.
On Flashes 6
times
Bad prescription
data
The prescription data on the card is corrupt. Probably caused by
defective card but could also indicate problem with software that
created the card.
On Flashes 8
times
Wrong prescription
data
The card, with prescription data on it, is intended for a different serial
number/patient than the CPAP being used. The card should be sent
back to the provider.
Alert codes
Alerts are like faults except they do not reset the processor when they occur (i.e. the CPAP continues as usual).
Device LED Fault LED Error Comments
Off Flashes
15 times
Cannot regulate CPAP repeatedly detected the monitored pressure outside of the
therapy target range. The CPAP attempts to continue to deliver therapy.
The alert is an indication that filters and the mask should be inspected
for cleanliness and proper fit.
Filter change reminder
Every six months, the green LED flashes as a reminder that the air inlet filter should be changed. The LED only flashes when
the CPAP is in standby mode and the CPAP otherwise still functions as normal. The reminder may be acknowledged in a
manner similar to acknowledging a fault (hold down the power button until the green LED stops flashing). Acknowledging
the reminder resets the reminder timer (i.e. it will return in six months). The reminder should be acknowledged in conjunction
with changing the filter.
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