Dräger Evita 4 Instructions For Use Manual page 129

Message
Check frequency
ILV Slave
Message on slave device
Check settings
Clean CO cuvette
2
CO measurement inop
2
CO monitoring off
2
CO sensor ?
2
CO zero ?
2
Device failure
etCO high
2
etCO low
2
Evita Remote ?
Evita Remote inop.
Execute device check
Cause
! The frequency (breathing rate) of the
master and slave devices differ by more
than 12 %.
!! Power interruption while setting a
ventilation pattern or the alarm limits.
!!! Cuvette window dirty.
Sensor window dirty.
!!! CO sensor faulty.
2
CO measurement incorrect.
2
! CO monitoring is switched off.
2
!!! Probe of CO sensor withdrawn during
2
operation.
CO sensor not positioned on cuvette.
2
CO sensor faulty.
2
!!! Zero outside the permitted tolerance.
Zero calibration unsuccessful.
!!! Device faulty.
!!! End-expiratory CO concentration
2
above upper alarm limit.
!!! End-expiratory CO concentration
2
below lower alarm limit.
! The Remote Pad has not been
identified correctly.
! Key pressed on Remote Pad during
self-test.
Remote Pad faulty.
!! Device check not performed.
Remedy
Adjust the frequency of the slave device
to that of the master.
Check pattern of ventilation and alarm
limits. Confirm message with key
»Alarm Reset«.
Use clean cuvette.
Clean CO sensor.
2
Replace faulty CO sensor.
2
Call DrägerService.
Switch CO monitoring on again,
2
page 95, or ensure adequate external
monitoring without delay.
Reinsert probe.
Place CO sensor on cuvette.
2
Replace defective CO sensor.
2
Perform zero calibration, page 100.
Perform CO zero calibration correctly,
2
page 100.
Call DrägerService.
Check condition of patient,
check pattern of ventilation,
correct alarm limit if necessary.
Check condition of patient,
check pattern of ventilation,
correct alarm limit if necessary.
Remove Remote Pad.
Confirm message with key »Alarm
Reset«. Call DrägerService at the next
opportunity.
Confirm message with key »Alarm
Reset«. Remove Remote Pad and
reconnect. Ensure that no key is pressed
on the Remote Pad.
Confirm message with key »Reset
Check«. Remove Remote Pad. Call
DrägerService at the next opportunity.
Perform device check, page 42.
Confirm message with »Alarm Reset«
key.
Troubleshooting
129