Tecme NEUMOVENT - Page 36

TECHNICAL AND MAINTENANCE MANUAL
Graph VENTILATOR
Review : 04
Date:
09/05/06
32
TROUBLE SHOUTING
PROBLEM
POTENTIAL CAUSE
CORRECTIVE ACTION
Water in the device
1. Water has entered
through the air or
oxygen supply.
2.
1. Open the device and
clean all pneumatic
components (2.8kg/cm2
pressure regulators,
proportional valves,
nonreturn valves, 10 PSI
regulator,
pneumotachograph,
meshes of
pneumotachograph)
Then, recalibrate the
device completely.
Not all LED’s of the keyboard
are lit.
1. Burnt LED’s.
2.
Disconnected key board
jack.
3.
1. Disassemble the device
and check and replace all
burnt LED’s.
2.
Check the connection of
the key board to the
CPU, and clean contacts.
3.
Autocycling of device
1. Incorrect initial
calibration.
2. Leak in the patient
circuit
3. Extremely high
electromagnetic
interference (EMI).
4.
Inadequate sensitivity.
5.
1. Redo initial calibration.
2.
Check the patient circuit.
3. Check if there i
s a high
emission electromagnetic
equipment nearby that
may be interfering with
the device.
4. Set an adequate
sensitivity.
Irregular baseline flow
1. Decalibrated device.
2. Decalibrated
proportional valves.
3.
1. Recalibrate
pneumotachographs,
proportional valves a
nd
FO2.
2.
Recalibrate proportional
valves and FO2.
Transitory failure in the reading
of pressures, volumes with
autocycling.
1. Extremely high
electromagnetic
interference (EMI).
2.
1. Check if there is a high
emission electromagnetic
device nearby.