Chapter 5
Diagnostic Mode and Troubleshooting
REF 1029568 Rev B
BiPAP Focus Ventilator Service Manual © Respironics, Inc.
5-33
443
CBIT LOW INT TEMP VIO
User interface processor detected that the enclosure low temperature test failed
during CBIT. (< -3
o
C).
1. Ensure that the system is at room temperature or within operating
specifications.
2. Enter Diagnostics mode and use the Sensor Readings screen to check the
temperature.
3. Replace the user interface PCB.
444
CBIT MONSUPERCAP FAIL
User interface processor detected that the SUPERCAP test failed during CBIT.
1. If running on battery, ensure that the battery is fully charged.
2. Check if the problem occurs during AC and battery operation.
3. Enter Diagnostics mode and use the Sensor Readings screen to check the
voltage and ADC readings.
4. Replace the user interface PCB.
445
SETTINGS TEST FAILURE
User interface processor detected that the settings cross check test failed during
CBIT.
1. Replace the user interface PCB.
2. Replace the controller PCB.
5XX: Setting change codes. Previous and new settings are recorded.
500
SETTING BASE
501
Unused
502
Unused
503
MODE SETTING CHANGE
No action required
504
RATE SETTING CHANGE
No action required
505
IPAP SETTING CHANGE
No action required
506
EPAP SETTING CHANGE
No action required
507
RAMP TIME SETTING
CHANGE
No action required
508
RAMP START SETTING
CHANGE
No action required
509
CPAP SETTING CHANGE
No action required
510
RISE TIME SETTING CHANGE
No action required
511
I TIME SETTING CHANGE
No action required
512
APNEA ALARM SETTING
CHANGE
No action required
513
APNEA RATE ALARM
SETTING CHANGE
No action required
514
TIME AND DATE CHANGE
FROM
No action required
515
TIME AND DATE CHANGE TO
No action required
6XX: Ventilator alarm codes.
600-634
Unused
635
BATTERY DEPLETED
1. See alarms information in
Operator's Manual
.
Table 5-3: Significant Event Codes (Continued)
Event ID
Comment / Corrective Action