LightSpeed 7.x (VCT, VCT Select, Pro32)
Symptom
Image artifact. Spray or lines to almost a ring. If scanned Axial then the artifact has a pattern of several good then several bad images. See LD for more information and images Image artifact. Spray or lines to almost a ring. If scanned Axial then the artifact has a pattern of several good then several bad images. I.E. If 8i then 4 good then 4 bad. If 32i then 16 good and then 16 bad. The artifact is only on the “A” side or “B” side images. If Helical then images vary in intensity of bad. They will go from slightly bad to very bad and then back to slightly bad with a period equal to the number of slices collected in each rotation. With some pitch angles you can have images that are artifact free. Artifact may vary in intensity as the mA is changed. The customer was getting a pattern of failure where the images were having streaks or lines in the images that sometimes went to almost a full ring. The tech was scanning a 3.275 helical run. The axial phantom image is an 8i x 5mm. There were no errors. Helical @ lung window Helical @ typical window Axial on a phantom
Error message
Error: 230007014 Uncorrectable detector channels have been found for scan See LD for an example of entire error message. Fri Oct 28 09:32:03 2005 Error: 230007014 Host: presbyplano Process: badchanmgr File: badchanmgr.cxx Line: 1194 Uncorrectable detector channels have been found for scan 50029/2/2
Applies to
- Models
- LightSpeed, VCT
- Product
- LightSpeed 7.x (VCT, VCT Select, Pro32) V40_H_V64_G_GTM V40_H_V64_G_GTL V40_H_V32_G_GTM V40_H_V32_G_GTL V40_H_H64_G_GTM V40_H_H64_G_GTL V40_H_HS64_G_G Product Name: LightSpeed 7.x (VCT, VCT Select, Pro32) Product photographs Method of remote or software identification - See attachment for a complete list of software commands and typical results. check_config swhwinfo “swhwinfo” will have the following new switches available with the VCT M4 and PF 1.5 M3 software release (software release deploying this “swhwinfo” capability is “06MW03.?”): · -c or -classc = Outputs the Class C version, if installed, on the system · -m or -classm = Outputs the Class M version, if installed, on the system · -o or -os = Outputs the Operating System version installed on the system · -da or -date = Outputs the date and time the software was installed on the system (LFC) · -h or –help = Outputs complete details about all the available switches associated with swhwinfo · swhwinfo –c –m –o -da List of Supported Console Types GOC5 Will have a VDARC and VIG GOC6 Will have a VDIG List of softwares the product can run 09MW08.10 09MW08.11 08MW33.2 07MW18.4 06MW03.4 05MW31.6 FAQ's Table weight limit - Up to 500 lb. (227 kg) with ± .25 mm positional accuracy Tube type - D3194T D3193T(green) Current production - M4 Options - TBD Links to the updated Product Service Manuals, FMIs, Service Notes, Option Manuals and Operator Documents can be found online at the attached sites. Always use the most appropriate documentation for your system. Done acording to template
- Area
- CT
Full cause & step-by-step resolution
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