6-8
Troubleshooting
GAS CALIBRATIONGAS CALIBRATION
MessageMessage Meaning and Corrective ActionMeaning and Corrective Action
(Arterial or Venous)
BPM error
G424
G425
A BPM error occurred during calibration.
It may be possible to reset the BPM by
disconnecting and reconnecting it to the Core.
If the issue persists, use a replacement BPM and
contact Terumo Cardiovascular Technical Support.
Improper gas bottle
detected
G429
G432
Monitoring during calibration indicates that the gas
bottles are likely not in the proper position.
Conrm Gas 1 and Gas 2 are placed in their
corresponding gas slots. If proper gas bottle
positioning has been conrmed and the issue
persists, contact Terumo Cardiovascular Technical
Support.
(Arterial or Venous)
air equilibration error
G430
G431
The system has detected a very low CO
2
level
in the Shunt Sensor which could impact system
performance. This could indicate that the sensor
foil package had a leak in it or that the sensor was
exposed to room air for more than 24 hours.
Retry calibration for this BPM with a new Shunt
Sensor. If the foil pouch is visibly compromised,
please keep the foil pouch and contact Terumo
Cardiovascular Technical Support.
Calibration error
calculation timeout
G434
G435
There is a communication issue preventing the
completion of the calibration process.
Retry a calibration with new Shunt Sensor(s). If
the issue persists, contact Terumo Cardiovascular
Technical Support.
Note: A partial failure of calibration indicates the calibration was only successful for
one of two BPMs. You can retry calibration on the failed BPM with a new Shunt Sensor.
Do not redo calibration on the BPM that successfully completed calibration.
Note: Most calibration failures will allow continued operation of the system without
successful completion of the calibration process. Continued operation will use the last
successful calibration values. If you choose to proceed, parameter values for pH, PCO
2
,
PO
2
, and K
+
from the uncalibrated BPM may not be accurate.
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