Respironics BiPAP Service Manual page 50

Chapter 5
Diagnostic Mode and Troubleshooting
Event ID
9 IRQ STACK UNDERFLOW
10 TIMER STACK OVERFLOW
11 TIMER STACK UNDERFLOW
12 SERVICE STACK OVERFLOW
13 SERVICE STACK UNDERFLOW Controller processor detected a stack underflow.
14 THREAD STACK OVERFLOW
15 UNDEFINED INSTRUCTION
16 UNEXPECTED SOFTWARE
INTERRUPT
17 MICROPROCESSOR
PREFETCH EXCEPTION
18 DATA ACCESS EXCEPTION
19 RESERVED EXCEPTION
20 SPURIOUS DEFAULT
INTERRUPT
21 SPURIOUS INTERRUPT
5-18
Table 5-3: Significant Event Codes (Continued)
Comment / Corrective Action
Controller processor detected a stack underflow.
1. If the problem persists replace the controller PCB.
2. Retrieve the DRPT and contact technical support.
Controller processor detected a stack overflow.
1. If the problem persists replace the controller PCB.
2. Retrieve the DRPT and contact technical support.
Controller processor detected a stack underflow.
1. If the problem persists replace the controller PCB.
2. Retrieve the DRPT and contact technical support.
Controller processor detected a stack overflow.
1. Retrieve the DRPT and contact technical support.
1. If the problem persists replace the controller PCB.
2. Retrieve the DRPT and contact technical support.
Controller processor detected a stack overflow.
1. If the problem persists replace the controller PCB.
2. Retrieve the DRPT and contact technical support.
Controller processor detected an unexpected exception.
1. If the problem persists replace the controller PCB.
2. Retrieve the DRPT and contact technical support.
Controller processor detected an unexpected exception.
1. If the problem persists replace the controller PCB.
2. Retrieve the DRPT and contact technical support.
Controller processor detected an unexpected exception.
1. If the problem persists replace the controller PCB.
2. Retrieve the DRPT and contact technical support.
Controller processor detected an unexpected exception.
1. If the problem persists replace the controller PCB.
2. Retrieve the DRPT and contact technical support.
Controller processor detected an unexpected exception.
1. If the problem persists replace the controller PCB.
2. Retrieve the DRPT and contact technical support.
Controller processor detected an unexpected interrupt.
1. If the problem persists replace the controller PCB.
2. Retrieve the DRPT and contact technical support.
Controller processor detected an unexpected interrupt.
1. If the problem persists replace the controller PCB.
2. Retrieve the DRPT and contact technical support.
BiPAP Focus Ventilator Service Manual © Respironics, Inc. REF 1029568 Rev B