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GE Healthcare · MR

The compressor shuts down within 30 minutes of resetting.

Symptom

Magnet Shield Cooler:The compressor shuts down within 30 minutes of resetting The compressor has shutdown and has been reset. The compressor will shut down after several minutes. Each time the compressor gets reset the run time gets shorter.

Error message

Helium temperature fault The Leybold compressor has a fault indicator light. The fault code can be read on the Remote connector on the Sumitomo and the Leybold compressors.

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
Area
MR

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