GE Healthcare · MR
HFO ALARM PRESSURE RECOVERY ERROR.
Symptom
HFO ALARM PRESSURE RECOVERY ERROR. HFO ALARM PRESSURE RECOVERY ERROR, the SHeM Magnet Monitor will alarm if pressure recovery is less than 0.5psi over a 2 hour period after scanning is complete.
Error message
HFO ALARM PRESSURE RECOVERY ERROR. HFO ALARM PRESSURE RECOVERY ERROR, the magnet monitor will evaluate how fast the vessel pressure recovers after customer is done scanning for the day. A slow recovery indicates poor thermal performance. The Magnet Monitor will alarm if pressure recovery is less than 0.5psi over a 2 hour period after scanning is complete.
Applies to
- 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
- Area
- MR
Full cause & step-by-step resolution
The complete cause analysis, the step-by-step remedy for this GE Healthcare MR issue are available to FSELIB subscribers — re-authored, web-first, searchable.
7-day free trial · no credit card required
Related GE Healthcare MR issues
- Running grafidy3, and find there are spikes on the waveforms in the manual prescan display, both windows.
- OrthoMRI Network cable is unplugged
- TPS/MGD fails to download or reset. mgd_term windows fail to mount file system.
- CWA ID100060 Unable To Film.
- Fails to Scan with TORSO Coil.
- The Carriage Fails to Advance to Latch to the Table and to Retract When it is Raised, Undocked or Lowered.