Respironics REMstar Pro Service Manual page 56

RESPIROMICS"
Troubleshooting Table (Continued)
Chapter 6: Troubleshooting and Diagnostics
LED or other indicator not working.
procedure.
. . . : N
( Symptom Cause Verification Corrective Action
Display Indicator - Main printed circuit assembly. Perform user interface checkout * Ifdevice fails user interface
checkout procedure, replace
Main PCA.
Display -
Display is blank or contains
erroneous information.
Display assembly.
Main PCA.
Inspect solder joints between
display board and Main PCA,
+ Replace Main PCA.
Intermittent Power Supply
Problem -
An intermittent on / off condition
exists, unit alarms randomly, or
indicator lights blink sporadically.
Power cord, AC inlet, Main PCA,
loose connections.
Inspect power cord for fraying at
cable ends.
Inspect all connections on the
Main PCA.
+ Replace Main PCA.
Noise - Missing or damaged bottom feet Turn over and inspect the bottom * Ifbottom feet are missing,
on bottom of unit, blower for missing or damaged bottom replace bottom enclosure.
malfunctioning.
feet.
Tighten any loose screws.
+ Replace Blower.
X
1011170 REMstar Pro CPAP System 6-8