Instruction manual

Instruction Manual MicroBlender
L2965–101 Rev. D 13
Section 6: Troubleshooting Guide
Problem Potential Cause Corrective Action
Oxygen
concentration
discrepancy
between
MicroBlender
settings and
analyzer.
1. Analyzer out of
calibration.
1. Calibrate the analyzer
2. Flow requirements are
below the specified LPM
range.
2. Correct the flow. Verify
that the correct outlet port
is being used. Each outlet
port has a different flow
range.
3. Gas supply is
contaminated.
3. Correct the
contaminated gas supply. If
repair is needed, contact
CareFusion
4. MicroBlender is out of
calibration.
4. Contact CareFusion for
repair.
5. Bleed filter is
obstructed, causing
reduction of bleed.
5. Contact CareFusion
6. Air entrained into
circuit by ventilator or
accessory device.
6. Correct
Alarm sounding 1. Inlet pressure
difference greater than 20
PSI.
1. Correct the pressure
difference.
2. Alarm module is not
calibrated properly.
2. Contact CareFusion for
repair.
3. Inlet gas
contamination, alarm
module malfunction.
3. Contact CareFusion for
repair.
MicroBlender in
bypass - no
alarm.
Reed plate improperly
installed or damaged.
Contact CareFusion for
repair.