Troubleshooting

Fix it yourself, in a few minutes

Step-by-step fixes for the audiometers, booths, and spirometers Foster sells and services. These are safe steps you can run on your own — anything that means opening the case, internal service, or could affect calibration means stopping and calling Foster instead of guessing.

Connection & Setup

Audiometer Not Responding or Won't Connect to the Computer

What to check, in order, when the software can't find your audiometer or throws a connection error.

CCA-200miniCCA-100CCA-200

6 min read Read →

Calibration

Daily Calibration Fails With No-Response (NR) Errors

What NR and MR mean during your daily calibration check, and the order to troubleshoot them in before you request a loaner.

CCA-200miniCCA-100BAS-200

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Software Says Calibration Is Due and Won't Let You Test

How to tell a genuine overdue calibration apart from a software state problem, and what to do about each — without working around a real due date.

CCA-100CCA-200CCA-200mini

5 min read Read →

Hardware

One Frequency Reads High, or an Earpiece Cuts Out

Why one frequency or one ear often drifts or crackles before the rest of the unit does, and how to isolate cord, cushion, or connector before calling us.

CCA-200miniCCA-100D-Check

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Static, Humming, or Voice Instructions the Subject Can't Hear

How to tell a Windows audio-routing problem from a booth grounding issue, and what to do about each.

CCA-200miniCCA-100BAS-200

6 min read Read →

Software

Benson Software Won't Launch, or Errors After a Windows Update

Why the audiometer software throws a hot key error, won't open, or crashes after a Windows update — and the order to check things in.

CCA-200miniCCA-100CCA-200CCS-200

6 min read Read →

Data & Records

Exporting and Importing Test Data (CSV, EHR Interfaces)

How to fix the common snags in exporting, importing, and merging Benson test data — and what actually gates EHR-interface options in the software.

CCA-100CCA-200CCA-200miniSolo-HC

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Reference

What the Audiogram Status Codes Mean (NT, NR, MR, SE, CR, RN, PT)

A plain-language reference for the seven audiogram status codes, what usually causes each one, and whether it's a subject issue or an equipment issue.

CCA-100CCA-200CCA-200mini

5 min read Read →

Still stuck?

Call 513.891.0868 or email foster@fosterinstruments.com.

Contact Foster