At Medtronic, patient satisfaction is one of our highest priorities. We have received reports of repeated BG and calibration requests within a 45-minute period, making it difficult to enter or stay in SmartGuard Auto Mode. We’ve listened and have enhanced the Guardian Link 3 transmitter software to help patients that experience repeated BG requests.

Click the link below to request a replacement transmitter. It may take up to 2 weeks to receive your replacement transmitter.

Medtronic will support your request for a new transmitter if desired, however this is not required for continued use of your insulin pump. Click here for general recommendations with your current transmitter.



What enhancements were made to the transmitter?

This is a software update to the Guardian™ Link 3 transmitter. The enhancements were made to address repeated requests for BG values in Auto Mode.

How do I know if I have the old transmitter?

You may check which version you currently have connected to your pump by viewing the sensor status screen. If you see version 2.1.A or 2.1.C, you are using the old transmitter. If your version number states 2.2.A you are currently using the new transmitter. To access sensor status, follow these prompts on your pump: MENU→STATUS→SENSOR.

This doesn’t impact people using our other products like the Guardian™ Connect.

Will I be charged for a new transmitter?

No, you will not be charged for the replacement transmitter. You can receive a replacement transmitter if you have experienced repeated BG requests whether or not your current transmitter is in warranty.

What is the warranty period for my new transmitter?

The warranty period does not reset from your current transmitter. It will transfer over to the new transmitter. Even if you’re out of warranty, you will receive a new transmitter, however the warranty will not be extended.

How long will it take to receive my new transmitter?

It may take up to 2 weeks to receive your replacement transmitter. This will allow us time to process and ship your order.

What will I receive in the shipment with my new transmitter?

You will receive the new transmitter in the package. It will not come with a new charger, serter or test plug so make sure you keep those items from your previous transmitter.

How do I link my new transmitter to my MiniMed™ 670G pump?

You will first have to delete your current transmitter serial number from your pump before you connect your new transmitter to your insulin pump. Instructions can be found here.

How do I check on the status of my replacement transmitter request?

It may take up to 2 weeks to receive your replacement transmitter. We anticipate processing your request within 72 hours of submission. You will receive an email from UPS with tracking information once it’s on the way.

I’m receiving an alert/alarm other than “BG required”. What should I do about it?

This one-time replacement process is only eligible to those impacted by repeated BG request alerts. If you’re experiencing any other alerts or alarms, please review our Quick Reference for guidance.