GE Healthcare · MRSigna

hfoi2 alarm I2 HePressure Limit.

Symptom

hfoi2 alarm I2 HePressure Limit. hfoi2 alarm I2 HePressure Limit, the Helium vessel Pressure has exceeded the high alarm limit setting on the Magnet Monitor 3.

Error message

hfoi2 alarm I2 HePressure Limit. hfoi2 alarm I2 HePressure Limit, the Helium vessel Pressure has exceeded the high alarm limit setting on the Magnet Monitor 3.

Magnet Monitor 3 Error Code 025, Vessel Pressure Too High. Check compressors. Check coldhead. Magnet Monitor 3 Error Code 025, Vessel Pressure Too High. Check compressors. Check coldhead.

Applies to

Models
Signa
Product
Magnet HFO. Software Version Concept should NOT be selected for Magnet Products Serial # (Txxx) Field strength: 0.7 T He Vessel Pressure >0.9 psig but <6.25 psig Shield Temp for Cryo-cooler coldhead < 40 K Temp for Shield-cooler Coldhead < 35 K Cryocooler 2nd stage Temp > 3.8K but < 4.5K Recondenser Temp > 4.2K but < 4.6K Delta Temp (Coldhead - Recondensor) < 0 but < 0.3K Min. LHe Fill Level 75% of total vessel Min. LHe Ramp Level 100% Helium Volume 340 Liters Burst Disk 2253802-2 Baffle Assy 2226764
Component
Second Opinion Part Number 2244334 SINGLE STAGE CONFIGURED COLD HEAD. Second Opinion Part Number 2244334 COLDHEAD, SINGLE STAGE CONFIGURED. Used exclusively on HFO (OpenSpeed) 0.7T Magnets. See comments in resolution concept for second opinion requirements before ordering this part. Second Opinion Part Number 2244334 COLDHEAD, SINGLE STAGE CONFIGURED. Used exclusively on HFO (OpenSpeed) 0.7T Magnets. See comments in resolution concept for second opinion requirements before ordering this part.
Area
MR

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