REF 1029568 Rev A BiPAP® Focus™ Ventilator Service Manual © Respironics, Inc. 5-1
Chapter 5. Diagnostic Mode and
Troubleshooting
This section describes the BiPAP Focus diagnostic mode and other
troubleshooting procedures.
Diagnostic mode allows:
• View product information, including serial numbers and versions of
software and hardware.
• View and adjust system settings, including Language, time since last
service, date and time.
• View and adjust operator preferences, including units of pressure,
alarm volume, contrast, brightness, reverse video and screen lock.
• View the significant event log.
• View the UI board controls and sensor readings for troubleshooting.
• Test alarm indicators and view internal voltages for troubleshooting.
• Test blower and controller board backup alarm.
Entering Diagnostic
Mode
To enter diagnostic mode, simultaneously press the Alarm/Reset and Alarm/
Silence keys on the ventilator front panel at power up for 15 seconds or until
diagnostic mode appears on the screen. At the warning prompt, press Enter to
start diagnostic mode. The diagnostic main menu (Figure 5-1) appears.
WARNING: Diagnostic mode suspends normal ventilation: disconnect the patient from
the ventilator before entering diagnostic mode.
CAUTION: Troubleshooting and repair should be performed only by a qualified
service technician.
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