Warnings and Precautions
DO NOT update your Tandem insulin pump before reading the User Guide. Incorrect use of the Tandem
Device Updater or failure to follow the appropriate instructions can lead to an inoperable pump. If you
have questions or need further clarification on the Tandem Device Updater or pump use, call Customer
Technical Support at (877) 801-6901.
DO NOT update your pump while your infusion set is connected to your body. Always ensure that the
infusion set is disconnected from your body before updating your pump software.
DO suspend all pump insulin delivery prior to using the Tandem Device Updater.
DO check your blood glucose (BG) prior to suspending delivery and be sure to treat high or low BG levels
as directed by your healthcare professional prior to update.
DO be prepared to inject insulin with an alternative method in case you encounter any issues while
updating your pump. Failure to have an alternative method of insulin delivery can lead to very high blood
glucose or Diabetic Ketoacidosis (DKA).
DO complete the training appropriate to your device and feature set before starting to use the updated
software. Failure to complete necessary training could result in serious injury or death.
DO NOT rely on the Insulin On Board (IOB) displayed on your pump for a period of time after an update.
Your IOB will be reset to zero during the update process. Since the calculated bolus amount relies on
IOB, it could prompt you to deliver more insulin than needed and result in hypoglycemia. Consult with
your healthcare professional for how long you need to wait after an update before you can rely on the
DO confirm your pump’s personal settings, date, and time are correct after the update. Incorrect settings can result in over delivery or under delivery of insulin. Consult with your healthcare professional as needed
to establish appropriate settings.
DO NOT shut down your computer or allow it to go into “hibernate”, “sleep” or “standby” mode during an
update. If you are using a laptop, do not close the laptop. Doing so could interrupt the update, and your
pump may not function.
DO NOT disconnect from the internet during an update. Doing so could interrupt the update, and your
pump may not function.
DO NOT disconnect your pump from your computer during an update unless instructed to do so. Doing
so could interrupt the update, and your pump may not function.
DO NOT rely on the Max Hourly Bolus Alert for 60 minutes following an update. Your Max Hourly Bolus will
be reset to zero during the update process.
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