GE Corometrics 126, Service Manual

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Revision B 120 Series Maternal/Fetal Monitor 9-11
2015590-001
General Maintenance: Maternal Blood Pressure Tests
Pneumatic Pressure Check
This procedure provides a pneumatic test of the monitor’s internal blood pressure
module. This test should be performed annually by a qualified Service
Representative. The following equipment is required to perform this test:
„
Corometrics standard hose with a female Luer fitting for a single-tube cuffs—
the cuff should be removed
„ Male Luer plug.
1. Plug the male Luer plug into the cuff connector at the end of the pneumatic
tubing and twist one quarter turn. Ensure that the plug is securely connected.
2. Use the Trim Knob control to set the NBP mode on the Diagnostic Control
service mode screen to PNEUMATIC.
3. You will hear the motor running and see the cuff inflation value in the NBP area
of the display. If the test passes, the cuff deflates and the NBP area is blank. If
the test fails, you will see one of the following messages:
REPAIR
,
CHECK CUFF
,
LEAK
,
OVERPRESSURE
,
MOTION, OR WEAK SIGNAL
.
WARNING
If the monitor fails the pneumatic test, check hoses and fitting and
try the test again. If the monitor fails the test a second time,
contact your Service Representative. Do not use the monitor to
perform blood pressure readings until the problem is corrected.
4. Access the Diagnostic Control service mode screen and configure the NBP
mode to PATIENT.