The Unreliable Zone
Why equipment that still works can be the biggest risk in your clinic.
By Chris Senzamici, owner and technician, Precision MedTech Services · Download the PDF
The most dangerous piece of equipment in a clinic usually isn’t the one that’s broken. A broken machine gets tagged and pulled from use. The real risk is equipment that is becoming unreliable while everyone still treats it as safe.
Working, unreliable, failed
Equipment moves through three stages. Working: it does what it should, every time. Failed: it’s obviously down and nobody uses it. In between is the Unreliable Zone, where it mostly works, sometimes doesn’t, and is still being used with patients. That middle stage carries the highest risk of injury and liability, precisely because it’s still in service.
Warning signs your equipment is in the Unreliable Zone
- Inconsistent output, speed or resistance
- Intermittent shutdowns or display resets
- New noises or vibration
- Controls that are slow or unresponsive
- Unusual heat or power behavior
- Staff using workarounds to keep it running
How a small note becomes a big problem
Picture a treadmill belt that slows unexpectedly during gait training. The patient recovers, staff log it as “intermittent — monitor,” and the treadmill goes back into use. That note is now a record that the problem was known. If the same fault causes a fall later, the record works against the clinic.
Reactive repair costs more than it looks
Waiting for failure feels cheaper until you count everything: cancelled and rescheduled sessions, staff time spent working around the equipment, rush repairs and longer downtime. Preventive maintenance costs less over time and is far more predictable.
Quick self-check
Treat any of these as a priority:
- No preventive maintenance in the past 12 months
- An unexplained shutdown or fault in the past 90 days
- Staff relying on workarounds to use the equipment
- Known issues logged as “monitor” with no follow-up
What to do
- Schedule regular inspections and functional checks.
- Keep service records that show each unit was checked and cleared for patient use.
- Set a written threshold for when equipment comes out of service, so staff don’t have to decide on the spot.
Accreditation and regulatory requirements vary by facility type. Check with your compliance team on the standards that apply to you.
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