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Bentley Nevada Vibration Probes Faulting
Bentley Nevada Vibration Probes and key phasor fault

Multiple vibration probes (Generator/Gearbox/Turbine) and key phasor faults appears on Steam turbine PLC HMI on random basis, whether Steam turbine is running or standstill. their values go to zero for few seconds during fault. BN3500 fault also appears at the same time. Rectification required.