CWA. This sequence of events is expected with the present 10.x and 11.x hardware design with both a Driver Module and an…
CWA. This sequence of events is expected with the present 10.x and 11.x hardware design with both a Driver Module and an SSM.
Symptom
Explanation for Multicoil Bias Fault with Head & Body T/R Faults: Head and Body Path Open Unable to scan using a certain phased array coil. The strange thing is we are always seeing Body Path Open and Head Path Open T/R Faults at the same time as a Multicoil Bias Fault whenever we attempt a scan using this coil. We expect only the Multicoil Bias fault if the problem is with this coil. Why are we also getting the Head & Body T/R Faults? What is the real problem we should be looking at here? See Long Description for the error log. Mon Dec 12 19:42:36 2005 2252293 MRISB1 NSP SCP:DCB 1986 The Driver Module Has Detected a Fault. Details of the Fault can be found in other error messages.-> Mon Dec 12 19:42:36 2005 2252301 MRISB1 NSP SCP:DCB 779 Multicoil Bias Fault Detected - Open Circuit. Try re-seating all coil connectors. MCD1 Channel 2 of 16, counting from 1 Value: 197 mA Limit: 198 mA Mask of all failed channels: 0x2-> Mon Dec 12 19:42:36 2005 2249149 MRISB1 NSP SCP:../TrDriverMdsHWO.cpp 1286 T/R driver fault, head path open Possibly a disconnected cable between the driver board and the head T/R network, or an open diode in the head T/R switch. Mon Dec 12 19:42:36 2005 2249151 MRISB1 NSP SCP:../TrDriverMdsHWO.cpp 1302 T/R driver fault, Body Path open Possibly a disconnected cable between the driver board and the body T/R network, or an open diode in the body T/R switch.
Error message
2252293 The Driver Module Has Detected a Fault. Wed Apr 21 20:00:24 2004 Error: 2252293 Host: lx-mr Process: NSP File: SCP:DCB Line: 1986 The Driver Module Has Detected a Fault.^A Details of the Fault can be found in other error messages.-> 2249149 T/R driver fault, head path open. 2249149 Host: LDEX Process: NSP File: SCP:../TrDriverMdsHWO.cpp Line: 1286 T/R driver fault, head path open. Possibly a disconnected cable between the driver board and the head T/R network, or an open diode in the head T/R switch. 2252301 Multicoil Bias Fault Detected - Open Circuit. Try re-seating all coil connectors. MCDx Channel x of y, counting from 1 Value x mA Limit y mA See Long Description for Extended Error 2252301 MRI_GB_OW0 NSP SCP:DCB 816 Multicoil Bias Fault Detected - Open Circuit. Try re-seating all coil connectors. MCD1 (or MCD2) Channel 1 of 16, counting from 1 Value: 2 mA Limit: 298 mA Mask of failed channels: 0x1 Ch 1-8 : Legacy MC Conn Ch 17-24 : Conn A Ch 25-32 : Conn B-> Extended Error: This fault was detected by the Driver Module. An open circuit fault occurs when the actual value is less than the pre-defined limit. Check system cables, connectors, coils and configurations. Re-se
Applies to
- Models
- Excite, Signa
- Product
- Excite Includes Excite 1 and Excite 2, 10.0, 11.0 and 11.1 Software.
- Software
- 11.1 For product 1.5T Excite only. Note, 3T Excite goes with software G3, not 11.0 or 11.1.
- Area
- MR
Full cause & step-by-step resolution
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