GE Voluson E8 · Probe interface / front-end
Case 002 · TAT 7 days · 11 photos on file
Fault
No echo signal, system shows phantom (virtual) probe
Fix
Probe-port detection circuit repaired, front-end channel relay replaced. All probes re-enumerated correctly.
Service narrative
Booted but reported a phantom probe with no echo signal. Isolated to the probe-detect circuit and front-end relay. Reworked the failing stages, retested every probe family and validated on a live system.
Service photo log
11 bench photos on file