A failing Hitachi Aloka C42T does not always mean buying a new probe. Use the fault table below to match what you are seeing on screen to a likely cause, then check what a repair assessment would need.
| Manufacturer | Hitachi Aloka |
|---|---|
| Model | C42T |
| Probe type | Convex array |
| Compatible systems | Hitachi Aloka Arietta Precision, Hitachi Aloka Arietta V60, Hitachi Aloka Arietta V70, Hitachi Noblus |
In service the C42T is most often found on Hitachi Aloka Arietta Precision, Hitachi Aloka Arietta V60, Hitachi Aloka Arietta V70, Hitachi Noblus. Console-side settings and module revisions still vary, so the exact system build is part of any assessment.
Curved arrays like the C42T see heavy abdominal duty, and the curved lens face takes the brunt of it – delamination and membrane wear typically show up before element failures do.
Common failure modes for the C42T
Match what you are seeing against the table below. The right-hand column reflects how faults of this kind typically assess – the actual verdict always depends on the individual probe.
| What you see | Likely cause | Typically repairable? |
|---|---|---|
| Depth performance clearly below what this probe used to deliver | Ageing elements or lens delamination reducing acoustic output | Case by case |
| Pin damage or corrosion visible in the connector | Connector damage from forced insertion or drops | Usually repairable |
| Fuzzy or noisy image that cleaning does not fix | Lens wear or early element degradation | Case by case |
| Vertical shadowing or missing scan lines on screen | Element dropout, or a conductor break inside the cable | Case by case |
| Intermittent signal that changes as the cable moves | One or more conductors broken inside the cable bundle | Case by case |
| Strain relief pulling away from the cable or gone rigid | Cable flex fatigue at the probe or connector end | Usually repairable |
| Air pockets or peeling visible on the acoustic lens | Lens delamination from the acoustic stack | Usually repairable |
Check these before you ship the probe
- Flex the cable gently along its length while imaging – intermittent dropout points to broken conductors.
- Run the system’s built-in probe test or element check if your console provides one.
- Check the strain reliefs at both ends for splits, stiffness or separation from the cable.
- Photograph the complete manufacturer label – the exact revision matters for parts compatibility.
- Compare penetration and uniformity against a known-good probe on the same preset.
Repair, exchange or replace — which applies to your C42T
Repair suits the C42T when damage is mechanical or confined – lens membrane, strain relief, cable jacket, connector hardware. Once element dropout spreads across large sections of the array, repair cost climbs toward replacement value and stops making sense. If uptime is critical, ask about exchange options while your probe is assessed.
What we need to quote your C42T repair
- A clear photo of the complete manufacturer and model label on the probe
- A description of the fault: what you see on screen and when it started
- The ultrasound system (console) the probe is used with
- Screenshots or photos of the image problem, if the fault is visual
- Photos of any physical damage – lens, housing, cable or connector
Product imagery on this page is representative of the C42T probe family and is not a photograph of your specific unit. This page does not claim OEM authorization or universal compatibility. Repair feasibility, turnaround and commercial terms are confirmed in writing after assessment of the actual probe.
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