GE S5 Owners Manual

Remote Controller3
Document no. M1187342-004
2 Functional description
2.1 Remote Controller, K-REMCO/ K-CREMCO
The Remote Controller consists of 12 direct function keys and the ComWheel.
2.1.1 K-REMCO/ K-CREMCO PCBs
The K-REMCO/ K-CREMCO has two PCBs located inside the Remote Controller. One board has 
only the push button switches of the keys. The other board reads the status of the keys and the 
ComWheel and forwards the in formation to the CPU board.
2.1.2 External communication
K-REMCO Rev. 00-01
Two...

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3 Service procedures
3.1 General service information
The field service of the remote controllers 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 advice. Please provide the unit serial number, full 
type designation, and a detailed fault description. 
WARNING Only trained personnel with appropriate equipment should perform...

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2. External partsCheck that:
•the upper and bottom covers are intact
•the keypad cover is intact
•the ComWheel cover is intact and attached properly

Reassemble the remote controller.
3. Cable Check the remote controller cable:
•the cable is intact
•the cable connector is intact
•the connector pins are clean, straight and at about the same height
•the locking screws inside the connector case are intact

3.2.3 Functional inspection
Reconnect the cable to the...

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7. Electrical safety checkPerform an electrical safety check and a leakage current test.

8. Functioning after electrical safety checkCheck that the remote controller functions no rmally after the electrical safety check.

9. Final cleaning
Clean the remote controller and the cable.

•Fill in all necessary documents. 

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3.3 Disassembly and reassembly 
3.3.1 Before disassembly
WARNINGWear a grounded, antistatic wristband when handling PC boards. 
Electrostatic discharge may damage components on the board.
Handle all PC boards by their edges.
3.3.2 Tools needed
3.3.3 To disassemble Remote Co ntroller K-REMCO / K-CREMCO
To disassemble the Remote Controller (see  Figure 2):
1. Disconnect the K-REMCO/ K-CREMCO cable from the monitor.
2. Pull out the knob of the ComWheel.
3. Open...

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Figure 2 K-REMCO, K-CREMCO disassembly and reassembly
To reassemble the module, reverse the order of the disassembly steps.
In reassembly, remember to put the reinforcing cord of the cable around the screw on the 
metal bridge before tightening the screw.
CAUTION When reassembling the remote controller make sure that the cables are 
reconnected properly.
Always perform the  “Service check” after reassembling the remote controller. 

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Document no. M1187342-004
4Troubleshooting
4.1 K-REMCO, K-CREMCO
See Keyboard Service Menu in the “Service Menu“ slot and perform tests available. If any of the 
tests fail, see explanation below.Problem  Cause What to do
ComWheel not working ComWheel leads broken or  connector loose. ComWheel 
faulty. Check the items. Replace the 
ComWheel if necessary.
Membrane key not 
working Switch cable loose or broken. 
Keyboard cable loose or broken. 
Cable connector pin failure. 
RS232...

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For your notes: 

Appendix A, Service check form, Remote Controllers K-REMCO (Rev. 01) and K-CREMCO (Rev. 00)
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                           Document no. M1187342-004
APPENDIX A: Service check form, 
Remote Controllers K-REMCO (Rev. 01) and 
K-CREMCO (Rev. 00)
OK = Test OK            N.A. = Test not applicable            Fail = Test failed
Customer
 
Service Keyboard type
S/N
Service engineer
 Date
  Visual inspection
       OK           N.A.          Fail      OK           N.A.          Fail
1. Internal parts...

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Document no. M1187342-004
For your notes: