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GE Healthcare · MRExcite2254281502902254249

Unable to Increase Body RF Output Power to 28 kW During 35 kW Body Maximum Power Setup and Calibration due to RF Cable C…

Unable to Increase Body RF Output Power to 28 kW During 35 kW Body Maximum Power Setup and Calibration due to RF Cable Connection Internal to RF Dummy Load Assembly Disconnected.

Symptom

Unable to Increase Body RF Output Power to 28 kW During 35 kW Body Maximum Power Setup and Calibration See Long Description Unable to increase Body RF output power to 28 kW during 35 kW Body Maximum Power Setup and Calibration procedure. When the FE attempts to increase power above this level by increasing the transmit gain (TG), as part of this procedure, the prescan faults out with the errors shown below. Tue Jul 7 15:52:41 2009 Error: 2254249 Host: UMIMR4 Process: NSP File: SCP:../rf_nb_contro Line: 1491 Exception Class: Unknown Severity: Unknown Function: RF: RF Transmit PSD: cal Coil: BODY Scan: 50290/1 3T RF Amplifier IPA Grid Current High (fault 32). Possible Causes: the RF drive level to the amplifier is excessive, IPA tube defective. Check Head T/R Switch.-> Tue Jul 7 15:56:46 2009 Error: 2254281 Host: UMIMR4 Process: NSP File: SCP:../rf_nb_contro Line: 1491 Exception Class: Unknown Severity: Unknown Function: RF: RF Transmit PSD: cal Coil: BODY Scan: 50290/1 3T RF Amplifier Reflected Power High (fault 96). Exceeded spec (VSWR < 3:1). Possible Causes: improper cable connections, defective or shorted cables. Check cables in the RF transmit path. If the fault persists, replace the RF amplifier.->

Error message

2254281 3T RF Amplifier Reflected Power High (fault 96). Exceeded spec (VSWR 3:1). See Long Description Error: 2254281 Host: UMIMR4 Process: NSP File: SCP:../rf_nb_contro Line: 1491 Exception Class: Unknown Severity: Unknown Function: RF: RF Transmit PSD: cal Coil: BODY Scan: 50290/1 3T RF Amplifier Reflected Power High (fault 96). Exceeded spec (VSWR < 3:1). Possible Causes: improper cable connections, defective or shorted cables. Check cables in the RF transmit path. If the fault persists, replace the RF amplifier.->

2254249 3T RF Amplifier IPA Grid Current High (fault 32). See Long Description Error: 2254249 Host: UMIMR4 Process: NSP File: SCP:../rf_nb_contro Line: 1491 Exception Class: Unknown Severity: Unknown Function: RF: RF Transmit PSD: cal Coil: BODY Scan: 50290/1 3T RF Amplifier IPA Grid Current High (fault 32). Possible Causes: the RF drive level to the amplifier is excessive, IPA tube defective. Check Head T/R Switch.->

Applies to

Models
Excite
Product
3T Excite HDx 14.0 Software. The software that this solution is tied to is indicated by the Software concept below.
Software
14.0 M5 Excite HDx HDi Platforms only.
Area
MR

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