• SIGNA MR355 / SIGNA MR360
  • Service Manual
  • 5856356-3EN Revision 5.0
  • Basic Service Documentation. Copyright General Electric Company.
  • Object ID: 00000018WIA30C9EF20GYZ
  • Topic ID: id_13107424 Version: 1.4
  • Date: Jul 6, 2019 12:03:28 AM

MegaSW3 Troubleshooting

Normally there are three kinds of failure mode related with Megaswitch3:

  1. TPS reset fail with energy too low, or DVMR link not ready to send. Issue1: TPS Reset Failed

  2. Low SNR issue Issue2: Coil SNR is Low

  3. Coil ID not identified or there is a new coil connected. Issue3: System can’t identify Coil ID, report a new coil is connected

Note: Click on Flowchart to see detail procedure.

Issue1: TPS Reset Failed

Figure 1. Issue 1
TPS Reset is ok?Appendix 1: Normal display of "DVMR Link Ready Sent”Appendix 2: Normal DTx Max Energy LevelMegaSW3 TroubleshootingDTX to RRX DP16CH Mega Switch for 1.5TRF Calibration DPMegaSW3 Troubleshooting16CH RRxAppendix 3: DVMR Link chain with every nods

Issue2: Coil SNR is Low

Figure 2. Issue 2
Coil Mux Control Lines16CH Mega Switch for 1.5TMCR III ToolMegaSW3 TroubleshootingCoil Mux Control Lines16CH Mega Switch for 1.5TMCR III ToolMegaSW3 TroubleshootingCoil Mux Control LinesMCR III ToolMegaSW3 Troubleshooting

Issue3: System can’t identify Coil ID, report a new coil is connected

Figure 3. Issue 3
Appendix 5: How to confirm if coil is identified or notSRI SCP Loop TestAppendix 5: How to confirm if coil is identified or notSRI SCP Loop TestAppendix 5: How to confirm if coil is identified or not