ResMed Adapt SV System manual Troubleshooting, Unusual manner

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	Air filter is dirty.	Replace air filter.
from flow generator
	Air tubing is kinked or	Straighten or replace tubing.
	punctured.

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	You are talking, coughing,
inappropriately	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	Correct your leak condition.
	leak (greater than 30 L/min).
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	Ensure the power cable is
	switch at back is not on.	connected, and that the
		switch at the back of the
		unit is in the “on” position.
FAULT message displayed	Internal malfunction.	Return the device to your
on LCD		equipment supplier for
		service.

System Error 7 message	Device power-on has been
	interrupted by breathing into
	the mask during warm up.

Internal malfunction.

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.

Return the device to your equipment supplier for service.

Troubleshooting 35