BIO-MED DEVICES CROSSVENT-3+ - C- Operational Troubleshooting

V. SETTINGS MENU AND TROUBLESHOOTING, cont’d.
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- OPERATIONAL TROUBLESHOOTING
OPERATIONAL TROUBLESHOOTING OPERATIONAL TROUBLESHOOTING
OPERATIONAL TROUBLESHOOTING
PROBLEM POSSIBLE CAUSE CORRECTIVE ACTION
Fails to respond to touch
selection of a key
1. Keys locked
2. Defective touchscreen key
1. Press LOCK key twice to unlock
2. Submit for service
Parameter value seems
inappropriate
Wrong parameter selected Select correct parameter
Unit fails to turn on when
“ON/OFF” switch is set to
on.
1. Battery low and plug-in
power supply not connected.
2. No power at outlet and
battery low.
1. Plug in charger to active outlet and
charge battery
2. Plug into active outlet and charge
battery
Internal regulator output
pressure varies
Low pressure/flow from gas
source; fault in gas supply
Increase gas volume/pressure
Low internal pressure
regulator output
1. Output pressure not set;
insufficient gas supply
2. Dirty or clogged filter
1. Set output pressure; check gas
2. Service needed
Incorrect peak pressure and
PEEP/CPAP reading
1. Pressure transducer
disconnected or malfunction
2. Pressure transducer is out of
calibration
1. Service needed
2. Service needed
Uncontrolled auto-cycle;
remains in inspiratory mode
1. Pressure Trigger setting is
too sensitive
2. Pressure transducer
malfunction
1. Increase Pressure Trigger setting
2. Service needed
System pressure reads zero
1.Peak pressure limit control is
fully off
2. Tube disconnected between
patient and ventilator
1. Adjust the maximum pressure limit
control
2. Connect tube
Peak pressure high limit
alarm activates
1. Accumulation of secretion
2. Change in compliance;
blockage in airway or tubing
3. Patient tries to breath
independently
4. Endotracheal tube has
slipped down into a bronchus
5. Change in patient positioning
6. Pneumothorax
7. Sigh
1. Examine patient
2. Remove the blockage or replace the
airway/tube
3. Re-evaluate patient status and vent
settings
4. Correct the tube position
5. Re-evaluate patient and vent
settings
6. Treat patient
7. Set the high alarm limit higher
Peak Pressure Low limit
alarm activates
1. Disconnected patient circuit
2. Endotracheal tube has
slipped down into a bronchus
3. Water in patient circuit
4. Decrease in lung compliance
1. Reconnect patient circuit
2. Reposition endotracheal tube
3. Empty water from patient circuit
4. Re-evaluate patient