Engström Carestation
7-22
08/07 1505-1018-000
Connect
nebulizer
Nebulizer not
Connected
Low
Nebulizer disconnected while
nebulization procedure is running.
• Re-connect Nebulizer.
• Replace Nebulizer cable.
• Replace Nebulizer head.
• Replace Nebulizer board.
Controls frozen.
Need service
Front Panel Com Fail
High
Display CPU board fails to send life tick
for greater than 10 seconds
DU to allow power off
confirmation, even in Therapy.
(The Power lock popup will not
appear.)
• Look for physical damage to the keypad. If damaged, disconnect the internal keypad cable.
• If the unit powers up with no failures indicated, replace the membrane switch assembly.
• If failure still exists, disconnect each of the the remaining keypad connections (one-by-one) until the failed
component is located. Replace the failed component.
• If failure still exists with all keypads disconnected, replace the CPU board.
Display fans
failed
CPU Fan Speed Fail
CPU Overheat
Medium
Medium
CPU fan speed less than 2500 RPM
(50% of nominal speed).
Temperature reading of either DU
thermistor >60°C.
• Verify fan connection.
• Verify fan is not spinning while powered. If not, then replace fan.
• Replace DU CPU board.
Exp flow sensor
failure
Exhalation Flow Sensor
Communications
Failure
High
Failed communications with exhalation
flow sensor.
Use open loop pressure
control.
• Check harness connection between VMB and exhalation flow sensor PCB.
• Replace exhalation flow sensor PCB.
• Replace VMB.
Exp Flow sensor
error
Exhalation Flow Sensor
Comparison
Medium
( TVexp – TVinsp) > (0.3* TVinsp) or
100 mL whichever is greater for 6
consecutive breaths.
Freeze vent engine volume
compensation on first breath
detected.
• Using Service App, verify Inspiratory flows match Expiratory flow within tolerance stated above.
• Replace expiratory sensor as necessary.
• Replace exhalation flow sensor board (EFSB).
Fans require
service
Fan Fail
Medium
Fan Power Status Bits for main fan or
vicor fan is low.
• Check connections to fans.
• Replace broken fan(s).
Alarm message
Alarm ID
Priority
Alarm Condition
Special Behavior/Comments
• Action/Troubleshooting
Summary of Contents for Engstrom Carestation
Page 1: ...Engström Carestation Technical Reference Manual ...
Page 12: ...Engström Carestation x 08 07 1505 1018 000 ...
Page 52: ...Engström Carestation 2 26 08 07 1505 1018 000 ...
Page 100: ...Engström Carestation 5 26 08 07 1505 1018 000 ...
Page 124: ...Engström Carestation 7 16 08 07 1505 1018 000 ...
Page 188: ...Engström Carestation 8 26 08 07 1505 1018 000 ...