SECTION 6 DIAGNOSTICS AND TROUBLESHOOTING
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6-7
Status Messages: Possible Causes: Corrective Actions:
Isoelectric EEG
Detected
[ 31 ]
No discernible EEG activity
is detected for sixty-three
seconds; SR=100.
Note: This message
notifies user of a flatline
EEG. This is a normal
condition when Sensor
Simulator or Test Sensor is
connected.
If unintended:
1. Check patient vital signs,
dosage, etc.
2. Check leads for proper
connection and possible
shorts.
3. Verify Sensor Check
passes.
4. Verify DSC Self-test
passes.
5. Verify PIC. Use Test
Sensor or Sensor Simulator
and Sensor Check.
Operating On Battery
Backup
[ 33 ]
The AC power has been lost
and the monitor is running
on the battery. The battery
keeps the monitor operating
for approximately 45
minutes (when the battery is
fully charged).
1. Restore the AC power.
2. Verify power cord.
3. Replace power supply.
Battery power low
[ 34 ]
There are only a few
minutes of battery life left.
Restore AC power to avoid
automatic shutdown.
Replace with
compatible sensor
[ 83 ]
The sensor is not
compatible with the monitor
configuration.
Replace sensor.
Sensor Ground Fault
[ 92 ] (negative)
[ 93 ] (positive)
Problem is detected relating
to sensor ground element.
1. Disconnect and examine
sensor connection. Clean
any contamination present.
2. Replace sensor if necessary.
3. Replace PIC.
4. Replace BISx.
Sensor Overcurrent
[ 94 ]
Sensor is using too much
current.
1. Disconnect and examine
sensor connection. Clean
any contamination.
2. Replace sensor if necessary.
3. Replace PIC.
4. Replace BISx.
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