Respironics BiPAP Service Manual page 56

Chapter 5
Diagnostic Mode and Troubleshooting
Event ID
68 UNABLE TO QUEUE DATA
FOR COMMUNICATIONS
69 SAMPLING THREAD LOCKED
70 EXECUTION THREAD LOCKED Controller processor detected that the main execution thread is locked.
71 INTERNAL RAM FAILURE
72 UNABLE TO QUEUE DATA
FOR LOGGING
73 Unused
74 Unused
75 TCB IPC MESSAGE TOO BIG
76 TCB BUZZER SUPERCAP
FAILURE
77 HIGH PRESSURE CONDITION Controller processor detected a high pressure condition and annuciated the Hi P
78 LOW PRESSURE CONDITION
79 UNABLE TO MAINTAIN
PRESSURE SUPPORT
80 UNABLE TO QUEUE DATA TO
IPC
81 INVALID IPC MESSAGE ID
5-24
Table 5-3: Significant Event Codes (Continued)
Comment / Corrective Action
Controller processor detected a RTOS queue full condition.
1. Replace the controller PCB.
2. Retrieve the DRPT and contact technical support.
Controller processor detected that the sampling thread is locked.
1. Replace the controller PCB.
2. Retrieve the DRPT and contact technical support.
1. Replace the controller PCB.
2. Retrieve the DRPT and contact technical support.
Controller processor detected an internal RAM memory checksum error.
1. Replace the controller PCB.
2. Retrieve the DRPT and contact technical support.
Controller processor detected a RTOS queue full condition.
1. Replace the controller PCB.
2. Retrieve the DRPT and contact technical support.
Controller processor detected an IPC message that was too big.
1. Replace the controller PCB.
2. Retrieve the DRPT and contact technical support.
Controller processor detected that the backup alarm buzzer capacitor test failed
a limits check for greater than five minutes.
1. Enter Diagnostics mode and use the System Test screen to check if the
backup alarm can be turned on and off.
2. If the problem persists replace the controller PCB.
3. Retrieve the DRPT and contact technical support.
Reg alarm. No action necessary. If this condition persists for greater than 10
seconds the system declares error code 41
Controller processor detected a low pressure condition and annuciated the Lo P
Reg alarm. No action necessary.
Unable to maintain Pressure Support. System error declared after condition is
present for one minute.
1. Retrieve the DRPT and contact technical support.
Controller processor detected a RTOS queue full condition.
1. Replace the controller PCB.
2. Retrieve the DRPT and contact technical support.
Controller processor detected an IPC message with an invalid message id.
1. Replace the controller PCB.
2. Retrieve the DRPT and contact technical support.
BiPAP Focus Ventilator Service Manual © Respironics, Inc. REF 1029568 Rev B