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GE Healthcare · Nuclear MedicineInfinia212004179

Infinia or VG detector Intermittent PMT dropouts (cold PMT’s) of detector.

Symptom

Infinia or VG detector Intermittent PMT dropouts (cold PMT’s) of detector. Infinia or VG detector PM tube disappearing then reappearing with or without moving the gantry. PMT dropouts (cold PMT’s) of detector. When rotating (or sometimes even stationary) detector to the posterior position various PMT's drop out completely with no counts in areas of the flood. High voltage was also found to be present on the internal detector plate [which surrounds the PMTs, beneath the lead plates]. Contributor 212004179 Brown October 19, 2005

Applies to

Models
Infinia
Product
Infinia II Infinia II Acquisition System
Component
*Detector (Imaging Detector) *Detector (Imaging Detector) *Detector (Imaging Detector)
Area
Nuclear Medicine

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