What do the error messages mean on my glucose meter?
Below are the following error types for the iHealth glucose meter, what they mean, and what you should do.
Message: Lo
What this means: Your blood glucose level is lower than 20mg/dL (1.1mmol/L)
What you should do: Repeat the test using a new test strip. If your result still flashes "Lo", then seek medical advice immediately.
Message: Hi
What this means: Your blood glucose level is higher than 600 mg/dL (33.3mmol/L)
What you should do: Wash and dry you rhands, and the test site, thoroughly. Repeat the test using a new test strip. If your device still flashes "HI" seek medical advice immediately.
Message: Er0
What this means:The battery in your meter is low
What you should do: Charge the device.
Message: Er2
What this means: Problem with the meter.
What you should do: Re-test with a new test strip. If the problem persists, call iHealth Labs Customer Service at 1-855-816-7705
Message: Er4
What this means: Problems have occurred that are related to test strip use.
- The test strip may be wet.
- The Test strip may have been removed too soon.
- You applied more blood after testing began.
What you should do: re-test using a new test strip.
Message: Er5
What this means: The environmental temperature is lower than 50 degrees F (10 degrees C).
What you should do: Go to a warmer environment and try the test again.
Message: Er6
What this means: The environmental temperature is higher than 104.
What you should do: Go to a cooler environment and try the test again.
Message: Er8
What this means: Communication error.
What you should do: Touch START to re-test.
Message: Er9
What this means: strip removed during measurement.
What you should do: start using a new test strip.
Message: ErC
What this means: Your meter is not synced to the app on your iOS device yet.
What you should do: Work through the steps to set up your glucometer.
Message: Erd
What this means: there are no new test strips in the vial.
What you should do: Scan a new vial of test strips.
Message: ErE
What this means: the test strip has expired.
What you should do: use a new test strip.
Message: ErF
What this means: you cannot charge the device and take a measurement.
What you should do: unplug the charger and try taking your reading again.
Message: Blank (No message)
- The battery may be too low. Try charging your device.
- Too much time may have passed between inserting a test strip and performing the test.
- Test strip has not been fully inserted into the meter.
Still having trouble?
If you still need additional help, don't hesitate to reach out to us at Noteworth at help@noteworth.com. You can also select " Contact Noteworth Support" in the settings page on your app to email Noteworth directly from your smartphone.
If you run into trouble, you can always call our support line: 888-983-1673
We are available for live support from 9:00 AM to 6:00 PM ET.