Component Solution Services REC02F Manual de servicio descargar pdf (Pagina 116)

Ultraview 1030/1050 Monitors — Service Manual

5-28

Problem Messages

If the following error messages are displayed for the Capnograph Option (G or H), perform the

suggested corrective action:

Service Required

Check for power to the Sensor Interface PCBA.

1 Disconnect the module from the monitor.

2 Disconnect the Sensor Interface PCBA from the CO

/SDLC PCBA.

3 Connect the module to the monitor using the SDLC extender cable.

4 Check for the following voltages on the appropriate connector of the CO

/SDLC PCBA

(use TP2 for ground reference).

5 If the voltage check does not pass, replace the CO

/SDLC PCBA.

Conduct a Loopback test:

1 Disconnect the module from the monitor.

2 Remove the original software from U37 of the CO

/SDLC PCBA. Set aside for later use.

3 Install the test software (P/N 174-0527-01) into U37.

4 Jumper J2 pin 4 to J2 pin 5 of the CO

/SDLC PCBA.

5 Connect the module using the SDLC extender cable and watch for the sign-on message. The

message LOOPBACK TEST PASSED should appear (disregard the O2 SPAN REQUIRED or

the O2 ZERO REQUIRED messages).

Pins on J3 for G Voltage

1 +5 V ±0.25 V

6 +8 V ±0.5 V

13 -5 V ±0.25 V

14 -42 V (-38 to -50 V)

15 -8 V ±1.5 V

Pins on J2 for H Voltage

7+5 V ±0.25 V

8 +15 V ±1 V

9-15 V ±1 V

10 +5 V ±0.5 V

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Component Solution Services REC02F Manual de servicio Pagina 116