Chapter 5
Diagnostic Mode and Troubleshooting
REF 1029568 Rev B BiPAP Focus Ventilator Service Manual © Respironics, Inc. 5-15
5.9 System Test The System Test screen (Figure 5-15) includes:
• Alarms: toggle the primary alarm speaker, backup alarm speaker, and
remote alarm relay ON or OFF.
• Indicators: toggle the Alarm LED, Silence LED, and On Battery LED
ON or OFF.
• Miscellaneous: toggle miscellaneous settings ON or OFF (Table 5-2).
• When V BattMeasEn is On, the Sensor Readings screen displays
battery voltage; when Off, the Sensor Readings screen displays the
internal battery thermistor temperature.
Figure 5-15: Diagnostic Mode: System Test Screen
Table 5-2: System Test Screen: Miscellaneous Settings
Setting Description
Blower On = Blower on.
Off = Blower off.
V BattMeasEn On = Sensor Readings screen displays battery voltage.
Off = Sensor Readings screen displays battery temperature.
V Out Enable Reserved for future use.
PWRSWCLK On = Clocks “1” to the STANDBY switch latch.
Off = No change.
PWRTUIOFF On = Enters STANDBY mode (removes 18V_Boost, shutting down power).
Off = No change.
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