GE S5 Owners Manual

S/5 Extension Module for FM, N-FC, N-FCREC, N-FREC
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Document no. M1187338-003
3 Service procedures
3.1 General service information
The field service of the Extension Modules for FM  is limited to replacing faulty circuit boards or 
mechanical parts. The circuit boards should be returned to GE Healthcare for repair.
GE Healthcare is always available for service ad vice. Please provide the unit serial number, full 
type designation and a detailed fault description. 
WARNING Only trained personnel with...

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Document no. M1187338-003
The instructions include a check form (“APPENDIX A:”) which should be filled in when performing 
the procedures.
The symbol 
in the instructions means that the check form should be signed after 
performing the procedure.
3.2.1 Recommended tools
3.2.2 Recommended parts
Detach the module box cover by removing the  five screws from the locking side of the 
module. Be careful with the flex cable, when  opening the cover. Remove the grey plastic 
shield over...

S/5 Extension Module for FM, N-FC, N-FCREC, N-FREC
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Document no. M1187338-003
NOTE: Be careful to limit the application of al cohol to the thermal printhead and the window.
Leave the paper compartment empty and close the hatch.

2. Check external parts
•all connectors are intact and attached properly
•the module box and the locking system are intact

Reattach the module and check that the locking system moves properly. 
CO2 measurement
3. Check Mini D-Fend Detach the Mini D-fend. Che ck the condition...

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Document no. M1187338-003
If one of the values is increasing faster, it indicates a failure in module bus 
communication.

6. Flow measurement offset
Enter the service menu  Gases:
Gas Unit - Gases
Check that the flow measurement offset, i.e.  the shown sample Zero value is within ±10 
ml/min.

7. Ambient pressure
Check that the shown Ambient value corresponds with the current ambient pressure (±20 
mmHg).

8. Zero valve checkFeed calibration gas and check that the gas readings in...

S/5 Extension Module for FM, N-FC, N-FCREC, N-FREC
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Document no. M1187338-003
11. Check the flow ratesWait until the Sample Flow valu e returns close to 150 ml/min.
Connect a flow meter to the 3 meter sampling line and check that the flow (the flow meter 
reading) is within  the following range:
Sampling flow (ml/min)  135...165
If necessary, readjust the sampling flow:
Select  Sample gain adj  from the menu. 
To increase the sampling flow, turn the Co mWheel counterclockwise. To decrease the 
flow,...

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Document no. M1187338-003
Check that the monitor shows the message ‘Apnea’ within 30 seconds after you have 
stopped feeding the gas.

Recorder
17. Paper compartment cleaning
Open the paper compartment hatch and take out the paper roll, if installed.
Remove any paper chaff from the compartment.
Clean the thermal printhead and the small glass window in front of the static brush with a 
cotton swab dipped in isopropyl alcohol. Avoid contact with the rubber paper roller. 
NOTE: Be...

S/5 Extension Module for FM, N-FC, N-FCREC, N-FREC
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Document no. M1187338-003
Install a paper roll and close the cover. Check that the message ‘Recorder: Cover open’ 
disappears from the screen.

20. Quality of recordingPress the 
Start/ Stop  key again and check that the quality of the recordings is 
acceptable.

21. Recording speed
Press the 
RECORD WAVE  key again and this time wait until the recording stops. Check 
that the length of the recorded waveform scale is 18.7 cm ( ±1.5 cm).
Change the...

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Document no. M1187338-003
3.3 S/5 N-FCREC disassembly and reassembly
CAUTION When reassembling the module, make sure that the tubes and cables are not 
pinched between the bo ards and the cover. 
To reassemble the module, reverse the order of the disassembly steps.
3.3.1 Instructions after replacing MiniC unit 
After replacing the MiniC unit:
•perform the sampling system leak test
•perform the occlusion test
•perform the gas calibration
3.3.2 Before disassembly
WARNINGWear a...

S/5 Extension Module for FM, N-FC, N-FCREC, N-FREC
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Document no. M1187338-003
3. Unscrew the two pozidrive screws inside the recorder unit completely (the screws cannot be 
removed) and remove the recorder unit.
4. Remove the five screws (T8) on the side where the  device plate is located.
5. Place the N-F(C)(REC) on a table the device plate  side down.
6. Remove the two screws (T8) near the module bus  connector.
7. Remove the module cover carefully.
8. Remove the EMC-cover and CO
2 unit insulator...

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Document no. M1187338-003
NOTE: The finger of the insulator plate secures the 
interconnection flex connector. While reassembling  
the insulator plate ensure that the finger supports the 
connector correctly.  
9. Disconnect the Nafion an d silicon tubes from the 
mini D-fend connectors.
NOTE: While reassembling the nafion tube ensure the  correct routing for both modules. If the nafion tube is 
not correctly routed it may get bent or jammed when 
reassembling the cover.  Bent or...