Service manual

52 Infant Flow
®
SiPAP
675-120 Revision D May 2005
Diagnostics
Diagnostic mode is accessed by enabling DIP switch 6 and exited by disabling it.
Enable DIP switch 6 during Start Up, Adjust or Mode Selection.
The screen changes to the Diagnostics Menu Screen (for a description of the
displayed information refer to paragraph 1.2.5):
the alarm limits are disabled
low level calibration procedure for pressure, oxygen and flow sensors are
available via the key pad
test procedures for valves and user interface are available via the key pad
the error log is accessible via the key pad
Select to carry out a pressure calibration
The diagnostic main screen stays the same and the key pad layout changes. Touch
the first key to calibrate at 0 cm H2O followed by the second key to calibrate at 10
cm H2O.
To return to the Diagnostics Menu Screen, touch the
button.
Select
to carry out an oxygen calibration
The diagnostic main screen stays the same and the key pad layout changes. Touch
the first key to calibrate at 21 % O
2
followed by the second key to calibrate at 100 %
O
2
.
To return to the Diagnostics Menu Screen, touch the
button.
Select
to enter a security code.
In order to upgrade features on the unit, a security code must be obtained from
VIASYS Technical Support (see fig 5a). After the code is entered, the customer’s
unit can be upgraded to different feature sets as laid out by Marketing.