Alerts display automatically on your t:slim X2 pump to notify you about pump safety conditions that need your attention. Alerts notify you with either a sequence of notes or vibrations, depending on the settings selected in Sound Volume. Alerts will repeat regularly every 5 minutes until they are cleared by pressing OK. This can cause the battery to deplete quickly. Pay attention to alerts and address them as soon as possible.
This article provides descriptions and best practices for some common insulin delivery pump alerts. Refer to the User Guide for a full listing of pump alerts and how to respond. If the alert you are experiencing persists, please Contact Us for troubleshooting. Please make sure to have the pump alert number and your pump serial number available at the time you contact us.
Alert 50 – Control-IQ High
Control-IQ technology has increased insulin delivery but detects a sensor glucose reading above 200 mg/dL and does not predict that the sensor glucose reading will decrease in the next 30 minutes.
How to Troubleshoot:
- Control IQ technology has increased insulin delivery but your glucose remains high. It is important that you troubleshoot and address your high glucose right away. Check your cartridge, tubing, and site, and test your BG. Treat your high blood glucose, as necessary. Tap
to close the alert screen.
- Please note that when Control-IQ technology is enabled, you must still manually deliver food boluses.
Note: this alert is separate from any CGM high alerts enabled during pump setup. - Review our online resource for troubleshooting your glucose.
Alert 51 – Control-IQ Low
Control-IQ Low Alert has predicted that your sensor glucose reading will drop below 70 mg/dL, or below 80 mg/dL if Exercise is enabled, in the next 15 minutes.
How to Troubleshoot:
- You are at risk for low BG soon. Do not delay-eat carbs and continue to monitor your glucose. Tap
Note: This alert is separate from any CGM low alerts enabled during pump setup. - You cannot edit or adjust this alert for safety reasons.
- Review our online resource for troubleshooting your glucose.
Alert 52 – Max Insulin Alert
The pump has delivered the maximum allowable 2-hour insulin amount based on your Total Daily Insulin setting.
How to Troubleshoot:
- Tap
- You see this alert when Control-IQ technology has delivered 50% of your Total Daily Insulin (through basal and/or bolus deliveries) over the previous rolling 2 hour window, and detects this condition for 20 minutes in a row.
- Control-IQ technology will suspend insulin delivery for a minimum of 5 minutes, and then resume insulin delivery once the condition is no longer detected.
- To view your Total Daily Insulin setting, tap OPTIONS > MY PUMP > CONTROL-IQ > TOTAL DAILY INSULIN. Note: it is always recommended that you consult with your healthcare provider before making any settings adjustments.
Always refer to the User Guide for important safety information and detailed step-by-step instructions on how to troubleshoot t:slim X2 pump alerts. A full list of pump alerts can be accessed in the User Guide. Please consult the applicable user guide and refer to the table of contents.
ZD-000236 (2023-04-26)
