Respironics REMstar Pro Service Manual page 63

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Error Code Chart (Continued)
Chapter 6: Troubleshooting and Diagnostics
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(Error Code Problem Corrective Action
9 Motor Overspeed. Replace blower assembly. If error persists, replace Main PCA.
10 Motor Underspeed - The speed of the motor was determined Replace blower assembly. If error persists, replace
to be below acceptable limits. Main PCA.
q R20/R21 Corrupt Replace Main PCA.
12 Motor edge lost. Check blower wire connections. Replace Blower Assembly.
Replace Main PCA.
B Motor Brake. Check blower wire connections. Replace Blower Assembly,
Replace Main PCA.
14 Motor Current - The motor current has exceeded its limit. Check blower wire connections. Replace Blower Assembly.
Replace Main PCA.
15 Rotor Locked - The motor could not be started. Check Wiring. Replace Blower Assembly. If error persists, replace
Main PCA.
16 Program Sequence - External conditions prevented the proper Replace Main PCA.
operation of the software.
17 Software Error. Replace Main PCA. Contact Respironics Product Support.
18 A/D Converter Replace Main PCA.
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1011170 REMstar Pro CPAP System 6-15