Stephan EVETR - Page 202

10 Troubleshooting
202
GA-070T-0518V2.7-HAO-EN
 Fritz Stephan GmbH
No CO
2
sampling line
MP
TA
 Sampling line not
connected
 Connect the sampling
line
CO
2
sensor zeroing
required
MP
TA
 CO
2
calibration
failed
 Repeat CO
2
calibration
 Check the CO
2
adapter
and clean if necessary
 Replace the CO
2
adapter,
if necessary
 Replace the CO
2
sensor,
if necessary
CO
2
sensor reinsert
MP
TA
 CO
2
measurement
faulty
 Check the CO
2
sensor
 Reinsert the CO
2
sensor
EtCO
2
high
MP
PA
 Measured EtCO
2
above the upper
limit setting
 Check the patient's
condition
 Check the EtCO
2
upper
limit and adjust if
necessary
 Check the ventilation
settings
 Calibrate the CO
2
sensor,
if necessary
 Clean the CO
2
sensor/
cuvette, if necessary
EtCO
2
low
MP
PA
 Measured EtCO
2
below the lower
limit setting
 Check the patient's
condition
 Check the EtCO
2
lower
limit and adjust if
necessary
 Check the ventilation
settings
 Calibrate the CO
2
sensor,
if necessary
 Clean the CO
2
sensor/
cuvette, if necessary
CO
2
sensor error
MP
TA
 CO
2
sensor is not
detected
 CO
2
sensor or
adapter
contaminated.
 CO
2
sensor possibly
incorrectly attached
to the cuvette
 Check the CO
2
sensor
 Replace the CO
2
sensor
if necessary
 Use external CO
2
monitoring if necessary