Troubleshooting - ResMed S7 lightweight User Manual

T
ROUBLESHOOTING
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 unit.
Problem
No display.
Insufficient air delivered
from the ResMed S7
Lightweight.
Excessive air delivered from
the ResMed S7 Lightweight.
Displays error message:
Exx
(where xx defines an error
code)
Possible Cause
Power not connected or
switch at back is not on.
Ramp Time is in use.
Air filter is dirty.
Air tubing is kinked or
punctured.
Air tubing not connected
properly.
Mask and headgear not
positioned correctly.
Cap(s) missing from access
port(s) on mask.
Altitude compensation
setting is incorrect.
Pressure required for
treatment may have
changed.
Altitude compensation
setting is incorrect.
Component failure.
Solution
Ensure the power cable is
connected and that the
switch at the back of the
unit is in the ON position.
Wait for air pressure to
build up.
Replace air filter.
Straighten or replace
tubing.
Check air tubing.
Adjust position of mask and
headgear.
Replace cap(s).
Adjust altitude
compensation setting to the
correct altitude range.
See your clinician to adjust
the pressure.
Adjust altitude
compensation setting to the
correct altitude range.
Return your ResMed S7
Lightweight for servicing.
T
ROUBLESHOOTING
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