GE HealthCare CONFIDENTIAL
Direction 5936427, Rev. 1 LOGIQ Totus Basic Service Manual
7 - 50 Section 7-4 - Electromagnetic Interference (EMI) Troubleshooting
Section 7-4
Electromagnetic Interference (EMI) Troubleshooting
Contents in this section
7-4-1 Prevention/abatement. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7-50
7-4-2 Different power outlet . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7-50
7-4-3 Different system . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7-50
7-4-4 Different location . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7-50
7-4-5 Disconnect external cables . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7-50
7-4-1 Prevention/abatement
For electromagnetic interference (EMI) rules and details, 2-2-3 "EMI limitations" on page 2-6.
7-4-2 Different power outlet
Connect the LOGIQ Totus to another power outlet and check to if the noise changes or disappears.
NOTE: Image artifacts can occur if, at any time within the facility, the ground from the main facility's incoming
power source to the LOGIQ Totus is only a conduit.
2-3-4 "Minimal floor plan suggestions" on page 2-11.
7-4-3 Different system
Try another LOGIQ Totus at the same location and look for the same noise. If the noise is present on
the new system too, the noise is most likely from an external source/equipment.
7-4-4 Different location
Move the LOGIQ Totus to another location and check to if the noise changes or disappears. This may
help to locate an external noise source.
Try to move the LOGIQ Totus to:
• another location inside the room
• another room
• another floor
7-4-5 Disconnect external cables
Disconnect all external cables (network, all unused probes, ECG leads, etc.) and check to if the noise
disappears.
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