GE LOGIQ E10 Service Manual

DIRECTION 5750007-1EN, REV. 1 LOGIQ E10 BASIC SERVICE MANUAL
Chapter 7 Diagnostics/Troubleshooting 7 - 37
Noise picked up from the air
Noise received through the external cables
Electromagnetic Interference (EMI) from radio frequencies, magnetic fields, and transients in the wiring.
The noise can enter the system through the mains power cable, probe cable(s) or any other external
connected cable(s).
Disconnect cables that are not needed for the basic use of the LOGIQ E10:
• Network cable
• Cables to any external peripherals
• ECG cables and other cables connected to the Patient I/O
Verify whether the noise changed or disappeared when the cables were removed.
Often, this type of noise is due to grounding problems in the mains power system or when the LOGIQ
E10 is sharing a power line with other equipment.
Doppler noise
Doppler noise symptoms can be horizontal stripes or spikes.
Intermittent noise
Intermittent noise can be caused by other equipment.
Table 7-13 Noise Conditions
Symptom Cause Solution
Noise is coherent -“penlight noise”
pointing down in the picture due to the
fact that the noise is received on all
channels.
Electromagnetic
Interference (EMI) from
radio frequencies,
magnetic fields, and
transients in the air.
The noise is picked up by a probe cable.
Noise is a problem on a single probe. Test with another probe.
Noise is a problem on a single probe
port.
Move the LOGIQ E10 to another location to see if the noise
persists.
Table 7-14 Noise Conditions for Doppler
Symptom Cause Solution
Horizontal stripes
Typically an analog
problem caused by the
ETX or CRX2
Determine if one of these boards is the cause:
• Transmitter board (ETX)
• Receiver board (CRX2)
Spikes
Typically a digital
problem caused by
either the CRX2 or
front end interface
Determine if one of these boards is the cause:
• CRX2
• Front End Interface board
Table 7-15 Noise Conditions for Intermittent
Symptom Solution
Intermittent noise Check equipment that is turned on and off near the scanner.
Intermittent noise present around the clock Check the clock.
Intermittent noise present at certain times
Check equipment that is turned on and off near the scanner at
certain times.

GE LOGIQ E10 Specifications

General

Touchscreen	Yes
3D/4D Imaging	Yes
Applications	Vascular, Cardiac, Musculoskeletal, OB/GYN
Image Storage	USB, Network
Connectivity	DICOM, Ethernet, Wireless