Troubleshooting - ResMed VPAP II User Manual

T
ROUBLESHOOTING
Problem
Flow generator does not
start when you press the
Start/Stop or Delay
Timer button (and the
LCD screen is blank)
SmartStart is enabled but
flow does not start when
you begin breathing in
the mask
Air leaking around nose
and eyes
SmartStart is enabled,
but the flow generator
does not stop
automatically when you
remove your mask
Possible cause
Power cord is not connected properly
Flow generator is not switched on
Power outlet may be faulty
Breath is not deep enough to trigger
SmartStart
Mask, mask/valve or mask/humidifier
combination interfering with
SmartStart triggering
Excessive leak
SmartStart not enabled (
appear on the LCD screen)
Nasal cushion not fitted properly onto
mask frame
Mask and headgear straps not
positioned correctly
Plugs missing from mask ports
Nasal cushion torn or distorted
SmartStart not enabled (
appear on the LCD screen)
Mask, mask/valve or mask/humidifier
combination interfering with
SmartStart triggering
Mask alarm enabled (M appears on
the LCD screen)
(continued over page)
Solution
Check both ends of the power cord
Switch on main switch at rear of unit
Try another power outlet
Take a deep breath in and out
through the mask
Use Start/Stop button
•Adjust position of mask and
headgear
•Plugs may be missing from ports on
mask; replace them
•Air tube not connected properly;
connect air tube firmly at both ends
•Air tube kinked or punctured;
straighten or replace air tube
does not Use Start/Stop button
Fit cushion properly
Adjust position of mask and headgear
(Note: tighter is not always better)
Replace plugs
Replace cushion
does not Use Start/Stop button
Use Start/Stop button
SmartStart will not stop the flow
automatically when the Mask Alarm is
enabled; use the Start/Stop button
T
ROUBLESHOOTING
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