Test equipment auditory diagnostic systems · Integrity family

Vivosonic Integrity V500: troubleshooting and error codes

The ServiceForge knowledge base holds 16 documented symptoms for the Vivosonic Integrity V500, with 23 ranked causes, 51 diagnostic checks with test points and expected values, and 3 error codes. Each symptom below shows its causes and the first check; the rest is one connection away. Connect ServiceForge to your AI

Symptoms

Lost Connection dialog appears

Calibration system software displays connection loss message; system unable to communicate

Ranked causes

1. USB cable not connected to laptop (common)
2. UART cable not connected to calibration hardware (common)
3. Computer power conservation setting enabled (occasional)
4. Excessive power draw on USB port (occasional)

4 corrective actions and part numbers are in ServiceForge. Connect ServiceForge to your AI

Bioamplifier A81 Amplitrode electrodes not responding

Electrode connections not established or electrode clips not properly seated to electrode snaps during calibration

Ranked causes

1. Ground electrode clip not seated to GE electrode snap (common)
2. Non-inverting electrode clip not seated to NE electrode snap (common)
3. Inverting electrode clip not seated to IE electrode snap (common)

First check

Verify ground electrode clip connection to GE snap

Test point: GE electrode snap
Expected: Clip fully seated with audible click

2 more checks with pass and fail actions, 3 corrective actions, and part numbers are in ServiceForge. Connect ServiceForge to your AI

Common Mode Gain test not starting

Common Mode Gain test fails to initiate after pressing OK button with proper switch configuration

Ranked causes

1. Incorrect switch settings (common)
2. Electrode clips not properly connected (common)
3. Amplitrode not seated on Adaptor Board (occasional)

First check

Verify switch S1 position

Test point: Switch S1
Expected: CAL

8 more checks with pass and fail actions, 3 corrective actions, and part numbers are in ServiceForge. Connect ServiceForge to your AI

Calibration equipment failing System Self Check

Calibration hardware reports self-test failure; system unable to proceed with calibration

Ranked causes

1. Calibration equipment data incorrect (common)

2 corrective actions and part numbers are in ServiceForge. Connect ServiceForge to your AI

Calibration reports failing to print to PDF

Calibration reports cannot be generated or printed to PDF format

Ranked causes

1. Administrator control required for VCS software (common)

First check

Launch VCS software with administrator privileges

Test point: VCS desktop shortcut
Expected: VCS launches with administrator control

2 corrective actions and part numbers are in ServiceForge. Connect ServiceForge to your AI

Calibration: Artificial Mastoid calibration data entry

Enter calibration values from calibration sheet into the system table for all frequencies to ensure valid calibration

Ranked causes

1. Missing or incomplete frequency values in calibration table (common)

First check

Verify all frequency values entered in calibration table

Test point: Calibration data entry table
Expected: All frequency values populated, no default 0 values remaining

1 corrective action and part numbers are in ServiceForge. Connect ServiceForge to your AI

Calibration: Channel one stimulating output

Adjust SCH1 output to 100 ± 0.25 mV at 1 kHz before recording channel calibration

Ranked causes

1. SCH1 output requires adjustment to specification (common)

First check

Verify no transducers connected

Test point: CaliBoard connectors
Expected: No transducers present

4 more checks with pass and fail actions, 1 corrective action, and part numbers are in ServiceForge. Connect ServiceForge to your AI

Calibration: Channel two stimulating output

Adjust SCH2 output to 100 ± 0.25 mV at 1 kHz before recording channel calibration

Ranked causes

1. SCH2 output requires adjustment to specification (common)

First check

Verify no transducers connected

Test point: CaliBoard connectors
Expected: No transducers present

4 more checks with pass and fail actions, 1 corrective action, and part numbers are in ServiceForge. Connect ServiceForge to your AI

Calibration: Device adapter configuration

Configuration of Ear Simulator adapter values during VCS software device setup

Ranked causes

1. Adapter value configuration needed (common)

First check

Identify adapter type in use

Test point: physical device inspection
Expected: Adapter model identified (RA026, DB2012, or other)

1 more check with pass and fail actions, 1 corrective action, and part numbers are in ServiceForge. Connect ServiceForge to your AI

Calibration: H-801 or H-802 headphone

Procedure to calibrate H-801 or H-802 headphones using 6cc coupler, AEC100 artificial ear, and microphone preamplifier

Ranked causes

1. Headphone calibration required (unknown)

First check

Place 6cc coupler on AEC100 artificial ear

Test point: AEC100 artificial ear
Expected: Coupler seated properly

8 more checks with pass and fail actions, 5 corrective actions, and part numbers are in ServiceForge. Connect ServiceForge to your AI

Calibration: VCS hardware connection via USB-to-UART without power adapter caution

Alternative connection of VCS calibration jig to laptop using USB-to-UART cable alone; not recommended due to cable damage risk

Ranked causes

1. USB-to-UART cable powering VCS jig without dedicated power adapter (common)

First check

Connect USB-to-UART cable to PC USB connector

Test point: PC USB connector
Expected: Cable securely seated

1 more check with pass and fail actions, 1 corrective action, and part numbers are in ServiceForge. Connect ServiceForge to your AI

Calibration: VCS software installation

Initial installation of Vivosonic Calibration System (VCS) software on laptop for first-time setup

Ranked causes

1. Software installation required (common)

First check

Laptop power connection

Test point: power source
Expected: Laptop plugged in

7 more checks with pass and fail actions, 1 corrective action, and part numbers are in ServiceForge. Connect ServiceForge to your AI

Calibration: VCS software upgrade from version 3.1.3

Upgrading existing VCS software from version 3.1.3 or earlier to current version

Ranked causes

1. VCS software update required (occasional)

1 corrective action and part numbers are in ServiceForge. Connect ServiceForge to your AI

Transducers failing calibration

Channel 1 and Channel 2 are not calibrated correctly; calibration equipment data is incorrect

Ranked causes

1. Channels not calibrated to specification (common)

First check

Verify Channel 1 and Channel 2 calibration levels

Test point: Channel 1 and Channel 2
Expected: 100 ± 0.25 mV, ±0.25 mV

2 more checks with pass and fail actions, 1 corrective action, and part numbers are in ServiceForge. Connect ServiceForge to your AI

VCS not working when other FDTI serial devices are plugged in

VCS software fails to operate when multiple FDTI serial devices are connected

Ranked causes

1. VCS software does not know which COM port to use (common)

First check

Remove all FDTI devices except VCS

Test point: USB/serial ports
Expected: Only VCS FDTI device connected

2 more checks with pass and fail actions, 1 corrective action, and part numbers are in ServiceForge. Connect ServiceForge to your AI

VCS software installation error encountered

Installation fails or displays ERROR messages during setup process

Ranked causes

1. Installation error or problem during setup (unknown)

1 corrective action and part numbers are in ServiceForge. Connect ServiceForge to your AI

Error codes

Code	Meaning	Trigger	Severity
`Calibration invalid`	Calibration fails due to incomplete or missing frequency values in Artificial Mastoid calibration table	User fails to enter values for all frequencies	error
`ERROR`	Installation process encountered an error or problem	During VCS setup file installation when upgrading from VCS 3.1.3 or earlier to VCS 3.1.4 or newer	error
`ERROR (during installation)`	Installation process encountered an error condition	Problems or errors during VCS software installation process	error

Likely causes and actions for each code are in ServiceForge. Connect ServiceForge to your AI

Community

0 fixes logged by technicians through their AI, with outcomes, for this model.

ServiceForge knowledge base record. Field-unverified unless technicians confirmed it. A teaching summary of the record, not a service manual. Export 2026-10-14.