Electronics - Scale (Bedded Models Only) - GE PANDA Service Manual

Chapter 4: Troubleshooting
Troubleshooting Tables
4.4.7.2 Alarm Message: "Confirm Probe Jack Connection"
Possible Causes
Defective probe
Cold probe
Defective rail
harness
Defective Probe
Panel Interface
Board
Defective Control
PCA
4.4.8 Electronics – Scale (Bedded Models Only)
4.4.8.1 No Scale Icon Displayed
Possible Causes
Improper scale
connection
4.4.8.2 Defective Scale
Possible Causes
Defective scale rail
harness
4-38
Step Troubleshooting Procedure
Check if probe is seated properly. If OK, replace
1.
patient probe.
If probe is < 24°C, then the unit will display
2.
"Confirm Probe Jack Connection"
Remove upper housing and check Patient Probe
3. Rail Harness connection at the Probe Panel
Interface Board (J54).
Make sure connections are correct and properly
4. seated. Refer to "6.13 Wiring Diagrams"
verification.
With a patient probe connected and the 4-pin
connector that mates to the Probe Panel Interface
5.
Board disconnected, check continuity of harness
by probing the 4-pin connector.
Using Digital Multimeter, verify Pin 1-4 = Pin 2-4 =
6. 10,000 ohms at 25°C. If not equal, replace rail
harness; If OK, continue.
Check for properly seated connection at Control
7.
PCA, J2.
8. Remove and replace Probe Panel Interface Board.
9. Replace Control PCA.
Step Troubleshooting Procedure
1. Check scale connection at probe panel.
Step Troubleshooting Procedure
Plug in a known good scale. If the problem persists,
1.
continue.
Remove the upper housing. Check to see harness
2. is properly seated and connected to mating
connector (Probe Panel Interface Board, J53).
Comments
Harness PN:
6600-1572-702
for pin
Probe Panel
Interface Board PN:
2065772-001
Comments
Comments
Service Manual