GE Giraffe, Руководство по обслуживанию

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Chapter 4: Troubleshooting
Troubleshooting Tables
Service Manual 4-37
4.4.7 Electronics – Patient Temperature Probe
4.4.7.1 Alarm Message: “Temp Probe Failure”
3.
If not OK, remove upper housing and disconnect
output connection from west power supply and
verify 12V.
4. If not OK, replace power supply.
Defective harness 5. Check/ replace Warmer head harness.
Warmer head
harness part#:
6600-1558-700
Defective Power
PCA
6. Replace Power PCA.
Possible Causes Step Troubleshooting Procedure Comments
Possible Causes Step Troubleshooting Procedure Comments
Defective probe 1.
Using Service Mode, check A/D inputs. Should
see the same value for patient probe thermistors
1 and 2.
2.
Check if probe is seated properly. If OK, replace
patient probe.
Defective rail
harness
3.
Remove upper housing and check Patient Probe
Rail Harness connection at the Probe Panel
Interface Board (J54).
Harness part #:
6600-1572-702
4.
Make sure connections are correct and properly
seated. Refer to
“6.13 Wiring Diagrams” for pin
verification.
5.
With a patient probe connected and the 4-pin
connector that mates to the Probe Panel Interface
Board disconnected, check continuity of harness
by probing the 4-pin connector.
6.
Using Digital Multimeter, verify Pin 1-4 = Pin 2-4 =
10,000 ohms at 25C. If not equal, replace rail
harness; If OK, continue.
Defective Probe
Panel Interface
Board
7.
Check for properly seated connection at Control
PCA, J2.
Probe Panel
Interface Board PN:
2065772-001
8. Remove and replace Probe Panel Interface Board.
Defective Control
PCA
9. Replace Control PCA.