Troubleshooting – ResMed VPAP Adapt SV System User Manual
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Troubleshooting
Troubleshooting
If there is a problem, try the following suggestions. If the problem cannot be 
solved, contact your equipment supplier or ResMed. Do not attempt to open the 
flow generator.
Problem
Possible cause
Solution
Insufficient air delivered 
from flow generator
Air filter is dirty.
Replace air filter.
Air tubing is kinked or 
punctured.
Straighten or replace tubing.
Flow generator operating 
erratically, ie, switching on 
and off, pressure varying at 
random
Water may have entered the 
air tubing.
Remove the water from the 
air tubing.
Pressure rises 
inappropriately
You are talking, coughing, 
voluntarily breath-holding (eg, 
while rolling over in bed), or 
intentionally breathing in an 
unusual manner.
Avoid talking with the mask 
on, and breathe as normally 
as possible.
Severe mask leak or mouth 
leak (greater than 30 L/min).
Correct your leak condition.
Alarm stays on continuously
Blockage in air circuit.
Ensure there is no barrier to 
the passage of air.
Internal malfunction.
Return the device to your 
equipment supplier for 
service.
No LCD display
Power not connected or 
switch at back is not on.
Ensure the power cable is 
connected, and that the 
switch at the back of the 
unit is in the “on” position.
FAULT message displayed 
on LCD 
Internal malfunction.
Return the device to your 
equipment supplier for 
service. 
System Error 7 message
Device power-on has been 
interrupted by breathing into 
the mask during warm up.
Turn the flow generator off 
and on again. Do not place 
mask on face during warm 
up (30 seconds). Select 
LEARN CIRCUIT (page 22). 
If the error is not cleared, 
contact your equipment 
supplier for service.
Internal malfunction.
Return the device to your 
equipment supplier for 
service. 
