Chapter 6: Troubleshooting
Tranquility Quest Plus CPAP System Service Manual
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Troubleshooting Table (Continued)
Outlet air temperature -
The outlet air temperature is
too warm.
Filters dirty, blower, Main
PCA.
Ensure the filter is clean
and not restricting air flow.
Monitor the outlet air tem-
perature at the end of the
six foot tubing. A rise in
temperature can be expected.
Ensure the unit is not next to
any heat source.
Symptom Cause Verification Corrective Action
Replace in order until solved:
• Filter(s)
• Blower
• Main PCA
Pressure Related Problems -
The outlet pressure does not
change or properly adjust.
Pressure tubing has been
blocked, disconnected, or
kinked. Main PCA or
blower malfunction.
Inspect pressure tubing for
secure connections and
kinks. Check blower for air
leaks.
• Secure pressure tubing
connections.
• Replace blower, pressure
tubing, or Main PCA as
required.
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