Collimator calibration drift check has failed Cal will continue with the next step - FPA Check.

Symptom

Error message

Error: 230017821 ACCS CCal: Drift check: The polynomial value has drifted by 0.470544 See the LD for the complete error code Error: 230017821 ACCS CCal: Drift check: The polynomial value has drifted Wed Aug 9 08:18:38 2006 Error: 230017821 Host: qxi1_sbc Process: accs File: collSweepProcessing.c Line: 1635 ACCS CCal: Drift check: The polynomial value has drifted by 0.470544 which is more than tolerance 0.300000

Error: 230017801 ACCS CCal: Sweep Processing failed. Status = -1 See the Long Description for the full error code Tue Nov 30 02:33:04 2004 Error: 230017801 Host: k2_ct2_ls Process: accs File: ccal_prep.c Line: 661 ACCS CCal: Sweep Processing failed. Status = -1

Error: 230023045 The Collimator calibration drift check has failed See the long description of the full error code Thu Aug 26 02:56:40 2004 Error: 230023045 Host: ct01 Process: dailyPrepRx File: DailyPrepUtils.c Line: 3155 The Collimator calibration drift check has failed. Full collimator calibration of all stations must be done. Cal will continue with the next step - FPA Check.

Applies to

Models

LightSpeed

Product

LightSpeed RT4 WB O G4 G HPT WB O M4 G HPT LightSpeed RT4 with GRE and MDAS4 or GDAS4 gantry At GE Medical Systems, we’re pioneering exciting CT technology for Radiation Therapy planning. Introducing the newest addition to our LightSpeed® series – LightSpeed RT, the first multi-slice, wide-bore CT scanner with the largest field of view in the industry. With a generous 80 cm gantry opening, the LightSpeed RT bore is 10 cm larger than conventional scanners. This provides complete flexibility for patient positioning freedom – even for the most demanding oncology needs. And the 65 cm variable field of view delivers 15 additional centimeters of visual coverage, allowing clinicians to see a patient’s entire anatomy for precise radiation therapy planning. Position and precision Thin, multi-slice imaging is the extra bonus – enabling respiratory gating, providing precise target delineation and delivering higher resolution digitally reconstructed radiographs (DRRs) than ever before. All adding up to the ability for you to deliver what really matters most – better cancer care for your patients. Plus, the LightSpeed RT scanner is available with the Exact™ couch insert, enabling you to consistently replicate patient immobilization for treatment. With LightSpeed RT, the future of your Radiation Oncology department is wide open. Links to the 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.

Area

CT

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