Service Manual
15
675-120 Rev. G
Front Panel Module
The function of the front panel module is to house the gas and electrical connections
to the patient, Operator controls and indicators. The module consists of a front panel
plate, the touch screen with key pad, flowmeters and FiO
2
control, patient connectors
and indicators and an ambient light sensor. The backlight on the touch screen is
decreased if the ambient light sensor detects a low ambient light level and increased
if it detects a high ambient light level.
The green Power light is always on when AC power is connected to the unit.
The Alarm Warning Bar
flashes red to indicate an alarm.
Patient Trigger Module (Plus and Comprehensive Models)
The patient trigger module consists of a PCB which plugs into the main processor
PCB. Its function is to detect patient breaths and apnea and give this information to the
main processor in the electronics module. The main processor uses the signals from the
patient trigger module to instruct the biphasic pressure control to provide a timed sigh
to the patient.
Firmware Module
The firmware module is the unit’s embedded software. Its function is to instruct the
microprocessor how to control the unit and to interact with the Operator.
Touch Screen
The touch screen provides the Operator with a series of screens with icons to enable
settings, calibration and fault diagnosis. The Start Up Screen is shown in Figure 4.
The display includes a status bar which incorporates a battery status, mode
indicator, alarm button and patient trigger indicator. The center part of the display
shows icons which relate to the function being selected or performed. The display also
includes a key pad with six keys. The icon in each key changes depending on the
function being performed.
Battery Status and Charging Indicator
If the battery status shows three bars or less, the display flashes alternately between
red bars on a white background and a pink background.
Alarm Button
The alarm button alerts the Operator to fault conditions. An audible alarm is activated
at the same time. In the unalarmed condition the button is green
. In the
high-priority alarm condition, the button flashes
red and an audible alarm is
heard. If the alarm button is pressed (to silence the audible alarm), the button
changes to
and flashes red. In a medium-priority alarm condition, the button
flashes
yellow and an audible alarm is heard. In a low-priority alarm
condition, the button is solid
yellow with an audible alarm. If any alarm
Summary of Contents for Infant Flow LP SiPAP
Page 1: ...Infant Flow LP SiPAP and SiPAP Model M675 Service manual ...
Page 16: ...6 Infant Flow LP SiPAP Model M675 675 120 Rev G Infant Flow LP SiPAP and SiPAP Model M675 ...
Page 20: ...10 Infant Flow LP SiPAP Model M675 675 120 Rev G Infant Flow LP SiPAP and SiPAP Model M675 ...
Page 24: ...14 Infant Flow LP SiPAP Model M675 675 120 Rev G Figure 3 IFSD Internal Components ...
Page 30: ...20 Infant Flow LP SiPAP Model M675 675 120 Rev G Figure 6 IFSD Gas Flow Schematic ...
Page 88: ...78 Infant Flow LP SiPAP Model M675 675 120 Rev G Infant Flow LP SiPAP and SiPAP Model M675 ...
Page 90: ...80 Infant Flow LP SiPAP Model M675 675 120 Rev G Infant Flow LP SiPAP and SiPAP Model M675 ...
Page 93: ...Service Manual 83 675 120 Rev G Appendix D Pneumatics Assembly ...
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