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7.2 Recommended
Testing
Component Replaced
AC/DC power supply
Air flow sensor
Alarm primary
Alarm backup
Battery
Blower
Cable, interprocessor
communications
Cable, interconnect power
Cable, internal battery
Cable, switch control
Cable, UI/VGA ribbon
Connector, silicone
Diffuser
Flow valve
Keypad membrane panel
LCD, 1/4 VGA
Muffler and baffle assembly
Outlet port
PCB, controller
PCB, user interface
PCB, VGA interface
Power cord
X2* After installing new controller PCB and /or user interface PCB, load ventilator software, perform real-time clock
calibration, calibrate ventilator, perform run-in, calibrate ventilator.
NOTE:
Replacing the controller PCB and/or user interface PCB clears the calibration tables. Perform the system
run-in once, between the two calibration procedures. (Do not perform system run-in before the first
calibration.)
REF 1029568 Rev B
Table 7-2 summarizes recommended testing following part replacement.
Table 7-2: Recommended Testing After Parts Replacement
Alarm
Electrical
LED
System
Safety Test
Test
Run-In
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
BiPAP Focus Ventilator Service Manual © Respironics, Inc.
Testing, Calibration, and Performance Verification
Real Time
Battery
Clock
BiPAP Focus
Test
Calibration
Calibration
X
X
X
X
X
X
X
X2*
X
X2*
Install
Ventilator
Performance
Software
Verification
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
Chapter 7
7-3
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