Device: 523/723 (Revel), 522/722, Guardian, 515/715, 512/712

Reason: This alarm shows the letter A followed by two numbers. A-alarms cause all insulin delivery to stop. Your insulin pump settings are retained. However Guardian settings are reset.

Action: If this alarm repeats often, call the 24-Hour HelpLine at 1.800.646.4633, option 1 for assistance.

Device: 523/723 (Revel)

Reason: Displays when one or more glucose alerts occur during the time that the Alert Silence feature is turned on.

Action: Press ESC, then ACT to clear the alert. Check the SENSOR ALERT HISTORY screen for the recorded glucose alert information. To view SENSOR ALERT HISTORY:

1. Go to the SENSOR ALERT HISTORY screen:

• Home Screen > Main Menu > Sensor > Sensor Alert History

2. The SENSOR ALERT HISTORY screen appears. The most recent alert is highlighted. Select the alert you want to get more information on, then press ACT.

3. A new screen will appear with the alert details.

Device: 523/723 (Revel), 522/722, 515/715, 512/712

Reason: Alerts you that no buttons were pressed during the time limit you set for the AUTO OFF DURATION feature, and so insulin delivery has been stopped.

Action: Press ESC, then ACT to clear the alarm.

Device: 522/722

Reason: You may receive this alert after you receive two Cal Errors in a row, without Cal Errors, or when initializing your glucose sensor.

Action: If the alert resulted from two Cal Errors in a row, replace the glucose sensor.

If the alert happened without two Cal Errors, use the transmitter's tester to make sure your transmitter is working properly.

If you received this alert during initialization, you may be able to resolve this alert without replacing your glucose sensor. Call the 24-Hour HelpLine at 1.800.646.4633, option 1 for further assistance.

Device: 522/722

Reason: The transmitter battery is depleted.

Action: Recharge your transmitter immediately.

Device: 523/723 (Revel), 522/722, Guardian, 515/715, 512/712

Reason: Occurs if the battery has been out of the insulin pump for more than five minutes or out of the CGM monitor for more than ten minutes.

Action: Verify that the insulin pump/CGM Monitor time and date are correct. If not correct, go to the UTILITIES MENU and reset the date and time. For CGM users, follow the FIND LOST SENSOR procedure to re-establish communication with the sensor.

Device: 523/723 (Revel), 522/722, 515/715, 512/712

Reason: Occurs if the battery cap is loose or the insulin pump was bumped or dropped during a bolus. It can also happen if the insulin pump receives a static shock. As a safety measure, the insulin pump stops the bolus when this happens.

Action: If you dropped your insulin pump, visually inspect it to make sure it is not damaged in any way. Then check BOLUS HISTORY to review how much of the bolus was actually delivered. If necessary, reprogram a bolus with the amount not yet delivered.

Device: 523/723 (Revel), 522/722, Guardian, 515/715, 512/712

Reason: Occurs if a button has been continually pressed for more than three minutes.

Action: Press ESC, then ACT to clear the alarm. Adjust where your insulin pump/CGM monitor is located if it is pressing up against something to cause the alarm.

Device: mySentry

Reason: The monitor experienced a hardware or software error that prevents the monitor buttons from working.

Action: Restart the monitor by unplugging it from the power supply, waiting 10 minutes, and then plugging it back into the power supply.

Device: 523/723 (Revel), 522/722, Guardian

Reason: An error occurred when entering a new meter blood glucose (BG) measurement to calibrate the system. Some possible causes are:

• An incorrect blood glucose number was entered from the meter into the insulin pump/CGM monitor.

• The entered blood glucose measurement was not current.

• Your blood glucose is rising or falling rapidly.

• The glucose sensor needs more time to stabilize after being inserted.

• The glucose sensor is no longer reading the glucose sensor correctly.

Action: If you receive a Cal Error, enter a new BG meter reading for calibration. If you receive a Cal Error on your second calibration, a CHANGE SENSOR alert will occur on a Revel or Guardian System and a BAD SENSOR alert will occur on a 522/722 insulin pump model. Call the 24-Hour HelpLine at 1.800.646.4633, option 1 for further assistance.

Device: 523/723 (Revel), Guardian

Reason: You may receive this alert after you receive two Cal Errors in a row, without the Cal Errors, or when initializing your glucose sensor.

Action: If the alert resulted from two Cal Errors in a row, replace the glucose sensor.

If the alert happened without two Cal Errors, use the transmitter's tester to make sure your transmitter is working properly.

If you received this alert during initialization, you may be able to resolve this alert without replacing your glucose sensor. Call the 24-Hour HelpLine at 1.800.646.4633, option 1 for further assistance.

Device: 523/723 (Revel), Guardian

Reason: The transmitter battery is depleted.

Action: Recharge your transmitter immediately.

Device: 523/723 (Revel), 522/722, Guardian, 515/715, 512/712

Reason: Occurs after an E alarm or after you clear your insulin pump/CGM monitor. It is advising you to make sure that all your settings are correct.

Action: When this alarm is active, you should check and/or reprogram your insulin pump/CGM monitor settings, including the time/date.

Device: mySentry

Reason: The monitor experienced a hardware or software error.

Action: Restart the monitor by pressing the silence icon, which looks like a bell ( ).

Device: 523/723 (Revel), 522/722, Guardian, 515/715, 512/712

Reason: An E-error alarm will show the letter E followed by two numbers. E-alarms cause all insulin delivery to stop, the insulin pump/CGM monitor resets, and all your settings are cleared.

Action: After receiving this alarm, note the error number then call the 24-Hour HelpLine at 1.800.646.4633, option 1 for further assistance.

Device: 523/723 (Revel), 522/722, 515/715, 512/712

Reason: There is no insulin in the reservoir.

Action: Change the reservoir immediately.

Device: 523/723 (Revel), 522/722, Guardian, 515/715, 512/712

Reason: The insulin pump/CGM monitor tests the voltage of each battery installed. This test ensures a battery with low voltage is not used. If the battery does not have enough voltage, this alarm will occur. The insulin pump/CGM monitor will not function and the battery must be replaced.

Action: Install a new battery into the insulin pump/CGM monitor.

Device: 523/723 (Revel), Guardian

Reason: The sensor glucose measurements are falling at a rate that is equal to or faster than the Set Fall Rate Limit you selected for the alert. The insulin pump/CGM monitor plays two consecutive tones, in falling pitch, if an audible beep has been selected as the alert type.

Action: Consider taking corrective action after confirming with a blood glucose (BG) meter reading.

Device: 523/723 (Revel)

Reason: You have not completed filling the infusion set with insulin.

Action: Press ESC, then ACT to clear the alarm. This resumes basal delivery. Review these tutorials.

Device: 523/723 (Revel), Guardian

Reason: The sensor glucose measurements may reach or go above your High Glucose Limit in the length of time you selected for the High Predictive alert. The insulin pump/CGM monitor plays three consecutive tones, in rising pitch, if an audible beep has been selected as the alert type.

Action: Consider taking corrective action after confirming with a blood glucose (BG) meter reading.

Device: Guardian

Reason: The glucose number is higher than or equal to your high glucose limit. If you do not set a High Glucose Limit and do not set the glucose alerts ON, then you will not get a High SG alert.

Action: Consider taking corrective action after confirming with a blood glucose (BG) meter reading.

Device: 523/723 (Revel), 522/722

Reason: The sensor glucose number is higher than or equal to your high glucose limit. If you do not set a High Glucose Limit and do not set glucose alerts ON, then you will not get a high sensor glucose alert. The insulin pump plays four consecutive tones, in rising pitch, if an audible beep has been selected as the alert type.

Action: Consider taking corrective action after confirming with a blood glucose (BG) meter reading.

Device: 522/722, 515/715, 512/712

Reason: If you manually prime your insulin pump with more than 30 units of insulin, this message appears.

Action: Read the message on the screen, then press ESC, then ACT to clear the alarm. If manual prime is complete, press ESC. If the manual prime is not complete, press and hold ACT until manual prime is complete.

Device: 523/723 (Revel), 522/722, Guardian

Reason: The insulin pump/CGM monitor has not received a signal from the transmitter.

Action: Do not disconnect the transmitter from the sensor.

1. Make sure that the glucose sensor is inserted correctly.

2. Check the REVIEW SETTINGS screen to make sure that the transmitter ID entered into the insulin pump/CGM monitor matches the ID on your transmitter:

• For 523/723 (Revel)
  Home Screen > Main Menu > Sensor > Review Settings

• For 522/722 insulin pump models and Guardian:
  Home Screen > Main Menu > Sensor > Sensor Setup > Review Settings

3. Check the transmitter and sensor connection. Touch the inserted sensor at the back of the assembly to prevent movement and push the transmitter firmly:

   1. If you hear a click, wait 20 seconds and look for a green light on the transmitter flash for 10 seconds to confirm a good connection. If you see the green light, the alert was due to the transmitter and the sensor not being connected.

   2. If you hear a click, but do not see a green light on the transmitter, check to make sure that the transmitter is charged.

   3. If you do not hear a click when you check the connection, the alert was due to a transmission problem. Bring the insulin pump/CGM monitor closer to the glucose sensor and transmitter.

4. Use the FIND LOST SENSOR function to find your glucose sensor:

• For 523/723 (Revel)
  Home Screen > Main Menu > Sensor > Link to Sensor > Find Lost Sensor

• For 522/722 insulin pump models and Guardian
  Home Screen > Main Menu > Sensor > Sensor Start > Find Lost Sensor

Device: 523/723 (Revel), 522/722, Guardian, 515/715, 512/712

Reason: The LOW BATTERY alert displays when the battery in your insulin pump/CGM monitor has less than 10% of the battery life remaining. The backlight, the remote, and meter functions are disabled during a LOW BATTERY condition. If the alert type is set to Vibrate, the insulin pump/CGM monitor will change to the audio alert Beep-medium.

Action: Press ESC, then ACT to clear the alert before you replace your battery. If you get this alert, do not go to sleep without replacing the battery.

Device: 523/723 (Revel), Guardian

Reason: The sensor glucose measurements may reach or go below your Low Glucose Limit in the length of time you selected for the Low Predictive alert. The insulin pump/CGM monitor plays three consecutive tones, in falling pitch, if an audible beep has been selected as the alert type.

Action: Consider taking corrective action after confirming with a blood glucose (BG) meter reading.

Device: 523/723 (Revel), 522/722, 515/715, 512/712

Reason: You can program the insulin pump to sound an alert when either a specified number of units remains or a specified amount of time remains before the reservoir will be empty.

Action: Press ESC, then ACT to clear the alert. Then change out your reservoir as soon as you are able.

Device: Guardian

Reason: The sensor glucose number is equal to or lower than your low glucose limit. If you do not set a Low Glucose Limit and do not set the glucose alerts ON, then you will not get a Low SG alert.

Action: Consider taking corrective action after confirming with a blood glucose (BG) meter reading.

Device: 523/723 (Revel), 522/722, Guardian

Reason: Occurs when the transmitter battery is close to running out of power. This alert will repeat daily at noon while this condition exists. The transmitter will continue sending sensor signals for several hours and may last for several days until the battery becomes depleted. Be prepared to recharge your transmitter immediately when the battery becomes depleted. If depleted, recharging may take up to 8 hours.

Action: Recharge your transmitter as soon as possible.

Device: 523/723 (Revel), 522/722

Reason: The sensor glucose number is equal to or lower than your low glucose limit. If you do not set a Low Glucose Limit and do not set the glucose alert to ON, then you will not get a low sensor glucose alert. The insulin pump plays four consecutive tones, in falling pitch, if an audible beep has been selected as the alert type.

Action: Consider taking corrective action after confirming with a blood glucose (BG) meter reading.

Device: 523/723 (Revel), 522/722, 515/715, 512/712

Reason: Occurs when you have taken more insulin than expected based on Maximum bolus and Maximum basal rates.

Action: Press ESC, then ACT to clear the alert. Check your blood glucose (BG). Review bolus history, and basal rates. Monitor your BG.

Device: 523/723 (Revel)

Reason: If you use more than 30 units of insulin to fill the infusion set tubing, this message appears.

Action: Press ESC, then ACT to clear the message. Review these tutorials.

Device: 523/723 (Revel), 522/722, Guardian

Reason: A meter BG measurement must be entered by the time that is shown to calibrate your glucose sensor. The METER BG BY alert is also known as the CAL REMINDER alert.

Action: Enter a blood glucose (BG) measurement to avoid a METER BG NOW alert.

Device: 523/723 (Revel), 522/722, Guardian

Reason: A meter BG measurement is needed immediately to calibrate your glucose sensor so that you can continue receiving sensor glucose readings.

Action: Take and enter a meter blood glucose (BG) measurement.

Device: 523/723 (Revel), 522/722, 515/715, 512/712

Reason: Insulin delivery has stopped. This alarm occurs if your insulin pump detects a motor error.

Action: Call the 24-Hour HelpLine at 1.800.646.4633, option 1 for further assistance.

Device: 523/723 (Revel), 522/722, 515/715, 512/712

Reason: Insulin delivery has stopped. Occurs if your insulin pump detects a blockage.

Action: Complete the following steps:

1. Check to see if your infusion set has become dislodged or kinked.

2. Check your blood glucose and follow your safety guidelines for treating high glucose if necessary.

3. Clear the alarm by pressing ESC and ACT. A screen appears with two choices: Resume and Rewind.

4. Make sure that there is insulin in your reservoir.

   1. If you identified and fixed a kink in your tubing, select Resume.

   2. If the reservoir is empty, select Rewind and change your reservoir and infusion set.

5. Monitor your blood glucose closely.

6. If you followed these steps and you receive another NO DELIVERY alarm, call the 24-Hour HelpLine at 1.800.646.4633, option 1 for further assistance.

Device: 523/723 (Revel), 522/722, 515/715, 512/712

Reason: The reservoir is not inserted correctly or no reservoir has been inserted.

Action: Check to make sure your reservoir has been inserted.

Device: 523/723 (Revel), 522/722, Guardian, 515/715, 512/712

Reason: The battery is dead.

Action: Replace battery immediately. Follow the directions on the screen. Check to make sure that the time is correct on the screen. Reset the time if necessary.

Device: 523/723 (Revel), 522/722, Guardian, 515/715, 512/712

Reason: Triggers when insulin pump/CGM monitor settings are cleared because of one of these reasons:

• Settings were cleared (Clear Settings function) and settings have not been reprogrammed.

• An upload attempt from your computer to CareLink Personal is incomplete.

Action:

• If your settings were cleared, you need to reprogram them.

• If you are attempting to upload to CareLink Personal and received this error message, please call the 24-Hour HelpLine at 1.800.646.4633, option 1 for further assistance.

Device: 523/723 (Revel), Guardian

Reason: The sensor glucose measurements are rising at a rate that is equal to or faster than the Set Rise Rate Limit you selected for the alert. The insulin pump/CGM monitor plays two consecutive tones, in rising pitch, if an audible beep has been selected as the alert type.

Action: Consider taking corrective action after confirming with a blood glucose (BG) meter reading.

Device: 523/723 (Revel), 522/722, Guardian

Reason: The glucose sensor has reached the end of its life.

Action: Replace your glucose sensor.

Device: 523/723 (Revel), 522/722, Guardian

Reason: The glucose sensor signals are either too high or too low.

Action: You do not need to change the glucose sensor. Press ESC, then ACT to clear the alert. If the alert persists, test your transmitter with the tester.

Device: mySentry

Reason: The Monitor hasn’t received a message for 12 minutes either because the pump or the outpost is out of range.

Action: Move the pump closer to the monitor or outpost, or move the outpost closer to the monitor, depending on the specific alarm message that displays on the monitor.

You can check the communication status by going to the Network Status screen:

• Main Menu > View Network Status

Device: mySentry

Reason: The monitor experienced an unknown hardware or software error.

Action: Contact the 24-Hour HelpLine at 1.800.646.4633, option 1 for assistance.

Device: 523/723 (Revel), 522/722, Guardian, 515/715, 512/712

Reason: The insulin pump/CGM monitor tests the voltage of each battery installed. If the battery voltage is less than full strength, this alarm may occur. The insulin pump/CGM monitor will operate normally, but the battery life will be shorter than expected.

Action: Install a new alkaline battery in the insulin pump/CGM monitor.

Device: 523/723 (Revel), 522/722, Guardian

Reason: Occurs when the insulin pump/CGM monitor does not receive data from the transmitter for a pre-defined period of time (as set in Weak Signal for Revel and Missed Data for 522/722 insulin pump models and Guardian).

Action: Move the insulin pump/CGM monitor closer to the transmitter or move the transmitter and the insulin pump/CGM monitor to the same side of your body.