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GE Healthcare · MR

The helium level is dropping greater than 5% over a 30 day period due to a possible helium leak.MAC00005 Proactive Magne…

The helium level is dropping greater than 5% over a 30 day period due to a possible helium leak.MAC00005 Proactive Magnet Performance Issue.

Symptom

MAC00005 Proactive Magnet Performance Issue. Low level Helium Loss > 5% in 30 days. The OnWatch engine has determined that the helium level has experienced a low level helium loss greater than 5% in the past 30 days. NOTE: The Digital Services (DS) Rules Engine detected this problem. This issue is only applicable when detected in this way, and should not be reused in Knowledge objects for normal reactive service.

Error message

MAC00005 Proactive Magnet Performance Issue. Low level Helium Loss > 5% in 30 days. The OnWatch engine has determined that the helium level has experienced a low level helium loss greater than 5% in the past 30 days. NOTE: The Digital Services (DS) Rules Engine detected this problem. This issue is only applicable when detected in this way, and should not be reused in Knowledge objects for normal reactive service.

Applies to

Product
Magnet LCC 300. Software Version Concept should NOT be selected for Magnet Products Low Cryogen Consumption Serial number:Wxxx Field strength: 3.0 T He Vessel Pressure:>3 psig but <5 psig Shield Temp:< 55 Kelvin 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: 60% Min. LHe Ramp Level: 100% Min. LHe Shim Level: 80% Helium Volume:1735 Liters Burst Disk:2349529 Burst Disk O-ring:46-281101P1 Baffle Assy: 2180818 Shim Lead Large 5/8:2173354
Component
2237498 RELIEF VALVE - 1/2 NPT X 5 PSIG. 2237498 RELIEF VALVE - 1/2 NPT X 5 PSIG.
Area
MR

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