Paused scans and image artifacts due to Power sagging from the normal 480 VAC down to as low as 0 VAC during the pulse s…
Paused scans and image artifacts due to Power sagging from the normal 480 VAC down to as low as 0 VAC during the pulse sequence.
Symptom
MRIQ Scan stops Multiple Times, They Restart the Scan and it Completes but Images Have Severe Zipper Artifacts. http://3.87.118.28/optec3/common/8xdocs/epst/mod11/m11_010_000.html Link to image quality troubleshooting guide. Scan stops in the middle of gradient stressing (GRE) sequences. After the gradients recovered, the scan completes (eventually after several stops). The images get zippers and artifacts due to the stops.
Error message
2244588 The GP is reporting SGA Power Supply Internal Wiring Fault or Internal Power Supply Undervoltage 2244588 "The GP is reporting SGA Power Supply Internal Wiring Fault\n\ or Internal Power Supply Undervoltage. Reseat the internal\n\ SGA-PS connectors. Else, replace the SGA Power Supply." 2244588 "The GP is reporting SGA Power Supply Internal Wiring Fault or Internal Power Supply Undervoltage. Reseat the internal SGA-PS connectors. Else, replace the SGA Power Supply." 2244577 The GP reported a % Axis Current Distortion Fault 2244577 "The GP reported a Z Axis Current Distortion Fault. If no other faults occurred, check LCoil Calibration. Else, run Gradient Driver Tests to isolate the FRU. If Tests pass, see Troubleshooting Manual." 2244573 The GP is reporting %c Axis SGA Internal Wiring Fault and Internal Power Supply Undervoltage 2244573 "The GP is reporting %c Axis SGA Internal Wiring Fault and\n\ Internal Power Supply Undervoltage. Perform a TPS Reset.\n\ Else, replace the SGA." 2244597 - Gradients recovered successfully on all 3 axis. There are no Faults at the Present Time. Thu Dec 11 09:31:26 2003 2244597 2 MR-OC0 NSP SCP:GP 1069 The gradient system on the Z axis recove
Applies to
- Models
- Signa
- Product
- Signa LX Signa LX Product can be used with 8.x and 9.x systems.
- Software
- 9.1 For Signa LX product only
- Area
- MR
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