Respironics REMstar Pro Service Manual page 59

RESPIRONICS" Chapter 6: Troubleshooting and Diagnostics
Troubleshooting Table (Continued)
( N
Symptom
Cause Verification Corrective Action
Ramp Pressure -
The pressure does not ramp
correctly.
No ramp time prescribed.
Ramp minimum pressure has to
be lower than CPAP pressure.
Main PCA.
Ramp Button not functioning.
Verify the patients prescription
specified ramp. Make sure unit
was set for ramp.
Perform user interface checkout
procedure (see Section 8.1).
* Set unit for ramp.
+ Replace Main PCA.
* If device fails user interface
checkout procedure, replace
control pad or display PCA.
Pressure Variation - The
pressure varies around the set
value, pressure fluctuates greater
than 1.0 cm H,O. (This could be
normal ifthe device is in C-Flex
mode and in use by the patient.)
Internal air leak.
Filters dirty.
Main PCA, blower.
Air path blocked.
Replace filter.
Perform Testing Process (see
Section 8.1).
» Replace blower.
+ If pressure still drifts, then
replace Main PCA.
1011170
REMstar Pro CPAP System 6-11