GE Healthcare · MR
LCC Alarm He Vessel Pressure High.
Symptom
LCC Alarm He Vessel Pressure High. LCC Alarm He Vessel Pressure High, Helium Vessel Pressure has exceeded the high alarm limit setting on the SHeM.
Applies to
- Product
- Magnet LCC. Software Version Concept should NOT be selected for Magnet Products Serial #: 1.5T (Rxxx) / 1.0T (Qxxx) He Vessel Pressure:>3 psig but <5 psig Shield Temp:< 55 K Coldhead Temp:> 3.8K but < 4.5K Recondenser Temp:> 4.2K but < 4.55K Delta Temp (Coldhead - Recondensor):> 0 but < 0.3K Min. LHe Fill Level: 50% Min. LHe Ramp Level: 90% Min. LHe Shim Level: 75% Helium Volume:1940 L (1.5T) Helium Volume:1970 L (1.0T) Burst Disk <":2319285 Burst Disk >":2350415 Burst Disk O-ring:46-281101P1 Baffle Assy 2180818 Low Cryogen Consumption
- Component
- SecondOpinion Part Number 2218465-3 SUMITOMO HIGH EFFICIENCY COLD HEAD ASM. See comments in resolution concept for second opinion requirements before ordering this part.
- Area
- MR
Full cause & step-by-step resolution
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