Respironics BiPAP Focus - Page 45

Chapter 5
Diagnostic Mode and Troubleshooting
REF 1029568 Rev A BiPAP® Focus™ Ventilator Service Manual © Respironics, Inc. 5-13
+18VBSTCMP 18V_BOOST_COMP Signal for detection if the 18V_Boost mains
voltage is above a certain threshold
(15.64V typically)
Hi: Above threshold
Lo: Below threshold
BattChrgFault BATT_CHRG_FAULT_BUF Signal for detection if there is a fault in the
battery charging
Hi: Fault
Lo: No Fault
BattOnChrg BATT_ON_CHG_BUF Signal for detection if the battery is being
charged
Hi: Battery charging
Lo: Battery not charging
BattChrgToc BATT_CHR_TOC Signal for detection if a top-off charge is
being applied to battery
Hi: Battery NOT in TOC state
Lo: Battery in TOC state
BattChrgRdy BATT_CHG_READY_BUF Signal for detection if the battery is ready
for charging
Hi: Ready for charging
Lo: Not ready for charging
PORLATCH EXT_WDOG_LATCHED Signal for detection if the processor was
reset due to a drop in the +3.3V rail. This
signal must be primed by software, with the
EXT_WDOG_LATCH_CLR signal. This can
be done using the PORLATCLK diagnostics
label in the System Test screen.
Hi: Loss of +3.3V supply caused last reset
Lo: Last reset not caused by loss of +3.3V
supply. Probably caused by watchdog
(software reset)
Sensor Readings Defined
Diagnostics Label Actual Measured Value Description
Table 5-1: Sensor Readings Defined (Sheet 3 of 4)