Product Troubleshooting

Our experienced technicians are trained and certified and can easily troubleshoot any issues that arise.

Our factory service center, located in Plymouth, MN, USA, services all Nonin monitoring devices. We are available between 8:00am to 5:00pm (CT), Monday through Friday. If you are having trouble with your device, or for more information about factory service, we can be reached at or by phone at 1-800-356-8874 and ask for Technical Service.

Please be prepared to provide the following information:

  • Product name, model number and serial number
  • Your name, phone and email where you can be reached

Troubleshooting Guides

Individual troubleshooting guides are also available for most products:

Nonin Medical Factory Service - Support Materials

Pulse Oximeters and Sensors 

Regional Oximeters and Sensors 

  • Regional Oximeters

OEM Solutions and Sensors 

  • OEM Pulse Oximeters

    • Onyx® II, Model 9560, Finger Pulse Oximeter with Bluetooth® Wireless Technology

Veterinary Solutions and Sensors