GE Healthcare · MR
Clarify #031821 SHeM Heater Light Will Not Stay On With The Vessel Pressure Reading Zero
Symptom
SHeM Heater Light Will Not Stay On With The Vessel Pressure Reading Zero The vessel pressure is reading zero on the SHeM. The digital gage at the magnet is not displaying anything. The heater light will come on for about a minute after the sample button is pushed and then go out. All the parameters on the SHeM are set correctly. The SHeM was replaced and the new SHeM has the same symptoms.
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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