Dräger Evita 4 - Replacing the CO2 Carrier PCB; Tests Possible in DS Mode; Diagnosis Mode; External DS Mode Using PC

5664.500/800 Evita 4/Evita 2 dura 06/98 Repair Instructions Page 38
For internal use only. Copyright reserved. GBR5664500T055664800.fm 18.03.99
Dräger Medizintechnik
D
5.3 Replacing the CO
2
Carrier PCB
• Switch the Evita off.
• Remove the CO
2
Carrier PCB.
• Remove the CO
2
module (Power Supply PCB, Processor Board PCB), the SpO
2
module (if available), the connector X3, and the DC/DC converter U4 (part of the
optional SpO
2
).
•Mount the CO
2
module and the SpO
2
module (if available), the connector X3, and the
DC/DC converter U4 (part of the optional SpO
2
) on the new CO
2
Carrier PCB.
• Install the new CO
2
Carrier PCB in the Evita.
• Secure the CO
2
Carrier PCB with the screws.
• Check the Evita by following the instructions in the Evita Test Certificate.
5.4 Tests possible in DS mode
5.4.1 Diagnosis mode
refer to section of "Repair Instructions - Service No./ Modi, Error list" chapter 3.3.2,
Diagnosis page “Microprocessor” of “Electronics”, page 70.; all displayed voltages are
measured on the CO2 Carrier PCB.
5.4.2 External DS mode using PC
refer to section of "Repair Instructions - Service No./ Modi, Error list" chapter 9.4.1, Testing
voltages, page 138.
refer to section of "Repair Instructions - Service No./ Modi, Error list" chapter 9.4.2, Power
pack status, page 140.
refer to section of "Repair Instructions - Service No./ Modi, Error list" chapter 9.4.3, Sen-
sors, page 142.
refer to section of "Repair Instructions - Service No./ Modi, Error list" chapter 9.4.4, CO2
measurement data, page 143.
refer to section of "Repair Instructions - Service No./ Modi, Error list" chapter 9.4.5, SpO2
measurement data, page 145.
refer to section of "Repair Instructions - Service No./ Modi, Error list" chapter 9.4.6, Horn
test, page 147.
refer to section of "Repair Instructions - Service No./ Modi, Error list" chapter 9.4.8, Gold-
Cap, page 148.