Select the meter you have
Nexus Meter Error Messages

Message | What It Means | What To Do |
---|---|---|
E-b | Appears when the batteries cannot provide enough power for a test. | Replace the batteries immediately. |
E-U | Appears when a used test strip is inserted. | Repeat with a new test strip. |
E-E E-0 E-A E-C | Problem in operation. | Repeat the test with a new test strip. If the meter still does not work, please contact GlucoRx Customer Care on 01483 755133 for assistance. |
E-F | Appears when test strip is removed while counting down, or insufficient blood volume. | Review the instructions an repeat test with a new test strip. If the problem persists, please contact GlucoRx Customer Care on 01483 755133 for help. |
E-t LOW | Appears when ambient temperature is below system operation range. | System operation range is 10°C to 40°C (50°F to 104°F). Repeat the test after the meter and test strip are in the above temperature range. |
E-t High | Appears when ambient temperature is above system operation range. | System operation range is 10°C to 40°C (50°F to 104°F). Repeat the test after the meter and test strip are in the above temperature range. |
Troubleshooting
If the meter does not display a message after inserting a test strip...
Possible Cause | What To Do |
---|---|
Batteries exhausted. | Replace the batteries. |
Test strip inserted upside down or incompletely. | Insert the test strip with contact bar end first and facing up. |
Defective meter or test strips. | Please contact GlucoRx Customer Care on 01483 755133 |
If the test does not start after applying sample:
Possible Cause | What To Do |
---|---|
Insufficient blood sample. | Repeat the test using a new test strip with larger volume of blood sample. |
Defective test strip. | Repeat the test with a new test strip. |
Sample applied after automatic switch-off (3 minutes after last user action). | Repeat the test with a new test strip. Apply sample only when flashing “🌢” appears on the display. |
Defective meter. | Please contact GlucoRx Customer Care on 01483 755133. |
If the control solution test result is out of range.
Possible Cause | What To Do |
---|---|
Error in performing the test. | Read instructions thoroughly and repeat the test again. |
Control solution vial was poorly shaken. | Shake the control solution vigorously and repeat the test again. |
Expired or contaminated control solution. | Check the expiry date of your control solution. |
Control solution that is too warm or too cold. | Control solution, meter and test strips should be at room temperature (20°C-25°C / 68°F – 77°F) before testing. |
Defective test strip. | Repeat the test with a new strip. |
Meter malfunction. | Please contact GlucoRx Customer care on 01483 755133. |
Troubleshooting
Nexus Blue Meter Error Messages

Message | What It Means | What To Do |
---|---|---|
E-b | Appears when the batteries cannot provide enough power for a test. | Replace the batteries immediately. |
E-U | Appears when a used test strip is inserted. | Repeat with a new test strip. |
E-E E-0 E-A E-C | Problem in operation. | Repeat the test with a new test strip. If the meter still does not work, please contact GlucoRx Customer Care on 01483 755133 for assistance. |
E-F | Appears when test strip is removed while counting down, or insufficient blood volume. | Review the instructions an repeat test with a new test strip. If the problem persists, please contact GlucoRx Customer Care on 01483 755133 for help. |
E-t LOW | Appears when ambient temperature is below system operation range. | System operation range is 10°C to 40°C (50°F to 104°F). Repeat the test after the meter and test strip are in the above temperature range. |
E-t High | Appears when ambient temperature is above system operation range. | System operation range is 10°C to 40°C (50°F to 104°F). Repeat the test after the meter and test strip are in the above temperature range. |
Troubleshooting
If the meter does not display a message after inserting a test strip...
Possible Cause | What To Do |
---|---|
Batteries exhausted. | Replace the batteries. |
Test strip inserted upside down or incompletely. | Insert the test strip with contact bar end first and facing up. |
Defective meter or test strips. | Please contact GlucoRx Customer Care on 01483 755133 |
If the test does not start after applying sample:
Possible Cause | What To Do |
---|---|
Insufficient blood sample. | Repeat the test using a new test strip with larger volume of blood sample. |
Defective test strip. | Repeat the test with a new test strip. |
Sample applied after automatic switch-off (3 minutes after last user action). | Repeat the test with a new test strip. Apply sample only when flashing “🌢” appears on the display. |
Defective meter. | Please contact GlucoRx Customer Care on 01483 755133. |
If the control solution test result is out of range.
Possible Cause | What To Do |
---|---|
Error in performing the test. | Read instructions thoroughly and repeat the test again. |
Control solution vial was poorly shaken. | Shake the control solution vigorously and repeat the test again. |
Expired or contaminated control solution. | Check the expiry date of your control solution. |
Control solution that is too warm or too cold. | Control solution, meter and test strips should be at room temperature (20°C-25°C / 68°F – 77°F) before testing. |
Defective test strip. | Repeat the test with a new strip. |
Meter malfunction. | Please contact GlucoRx Customer care on 01483 755133. |
Troubleshooting
Nexus Mini Ultra Meter Error Messages

Message | What It Means | What To Do |
---|---|---|
E-b | Appears when the batteries cannot provide enough power for a test. | Replace the batteries immediately. |
E-U | Appears when a used test strip is inserted. | Repeat with a new test strip. |
E-E E-0 E-A E-C | Problem in operation. | Repeat the test with a new test strip. If the meter still does not work, please contact GlucoRx Customer Care on 01483 755133 for assistance. |
E-F | Appears when test strip is removed while counting down, or insufficient blood volume. | Review the instructions an repeat test with a new test strip. If the problem persists, please contact GlucoRx Customer Care on 01483 755133 for help. |
E-t LOW | Appears when ambient temperature is below system operation range. | System operation range is 10°C to 40°C (50°F to 104°F). Repeat the test after the meter and test strip are in the above temperature range. |
E-t High | Appears when ambient temperature is above system operation range. | System operation range is 10°C to 40°C (50°F to 104°F). Repeat the test after the meter and test strip are in the above temperature range. |
Troubleshooting
If the meter does not display a message after inserting a test strip...
Possible Cause | What To Do |
---|---|
Batteries exhausted. | Replace the batteries. |
Test strip inserted upside down or incompletely. | Insert the test strip with contact bar end first and facing up. |
Defective meter or test strips. | Please contact GlucoRx Customer Care on 01483 755133 |
If the test does not start after applying sample:
Possible Cause | What To Do |
---|---|
Insufficient blood sample. | Repeat the test using a new test strip with larger volume of blood sample. |
Defective test strip. | Repeat the test with a new test strip. |
Sample applied after automatic switch-off (3 minutes after last user action). | Repeat the test with a new test strip. Apply sample only when flashing “🌢” appears on the display. |
Defective meter. | Please contact GlucoRx Customer Care on 01483 755133. |
If the control solution test result is out of range.
Possible Cause | What To Do |
---|---|
Error in performing the test. | Read instructions thoroughly and repeat the test again. |
Control solution vial was poorly shaken. | Shake the control solution vigorously and repeat the test again. |
Expired or contaminated control solution. | Check the expiry date of your control solution. |
Control solution that is too warm or too cold. | Control solution, meter and test strips should be at room temperature (20°C-25°C / 68°F – 77°F) before testing. |
Defective test strip. | Repeat the test with a new strip. |
Meter malfunction. | Please contact GlucoRx Customer care on 01483 755133. |
Troubleshooting
Nexus Voice Meter Error Messages

Message | What It Means | What To Do |
---|---|---|
E-b | Appears when the batteries cannot provide enough power for a test. | Replace the batteries immediately. |
E-U | Appears when a used test strip is inserted. | Repeat with a new test strip. |
E-E E-0 E-A E-C | Problem in operation. | Repeat the test with a new test strip. If the meter still does not work, please contact GlucoRx Customer Care on 01483 755133 for assistance. |
E-F | Appears when test strip is removed while counting down, or insufficient blood volume. | Review the instructions an repeat test with a new test strip. If the problem persists, please contact GlucoRx Customer Care on 01483 755133 for help. |
E-t LOW | Appears when ambient temperature is below system operation range. | System operation range is 10°C to 40°C (50°F to 104°F). Repeat the test after the meter and test strip are in the above temperature range. |
E-t High | Appears when ambient temperature is above system operation range. | System operation range is 10°C to 40°C (50°F to 104°F). Repeat the test after the meter and test strip are in the above temperature range. |
Troubleshooting
If the meter does not display a message after inserting a test strip...
Possible Cause | What To Do |
---|---|
Batteries exhausted. | Replace the batteries. |
Test strip inserted upside down or incompletely. | Insert the test strip with contact bar end first and facing up. |
Defective meter or test strips. | Please contact GlucoRx Customer Care on 01483 755133 |
If the test does not start after applying sample:
Possible Cause | What To Do |
---|---|
Insufficient blood sample. | Repeat the test using a new test strip with larger volume of blood sample. |
Defective test strip. | Repeat the test with a new test strip. |
Sample applied after automatic switch-off (3 minutes after last user action). | Repeat the test with a new test strip. Apply sample only when flashing “🌢” appears on the display. |
Defective meter. | Please contact GlucoRx Customer Care on 01483 755133. |
If the control solution test result is out of range.
Possible Cause | What To Do |
---|---|
Error in performing the test. | Read instructions thoroughly and repeat the test again. |
Control solution vial was poorly shaken. | Shake the control solution vigorously and repeat the test again. |
Expired or contaminated control solution. | Check the expiry date of your control solution. |
Control solution that is too warm or too cold. | Control solution, meter and test strips should be at room temperature (20°C-25°C / 68°F – 77°F) before testing. |
Defective test strip. | Repeat the test with a new strip. |
Meter malfunction. | Please contact GlucoRx Customer care on 01483 755133. |
Troubleshooting
Go Meter Error Messages

Message | What It Means | What To Do |
---|---|---|
E-b | Appears when the batteries cannot provide enough power for a test. | Replace the batteries immediately. |
E-U | Appears when a used test strip is inserted. | Repeat with a new test strip. |
E-E E-0 E-A E-C | Problem in operation. | Repeat the test with a new test strip. If the meter still does not work, please contact GlucoRx Customer Care on 01483 755133 for assistance. |
E-F | Appears when test strip is removed while counting down, or insufficient blood volume. | Review the instructions an repeat test with a new test strip. If the problem persists, please contact GlucoRx Customer Care on 01483 755133 for help. |
E-t LOW | Appears when ambient temperature is below system operation range. | System operation range is 10°C to 40°C (50°F to 104°F). Repeat the test after the meter and test strip are in the above temperature range. |
E-t High | Appears when ambient temperature is above system operation range. | System operation range is 10°C to 40°C (50°F to 104°F). Repeat the test after the meter and test strip are in the above temperature range. |
Troubleshooting
If the meter does not display a message after inserting a test strip...
Possible Cause | What To Do |
---|---|
Batteries exhausted. | Replace the batteries. |
Test strip inserted upside down or incompletely. | Insert the test strip with contact bar end first and facing up. |
Defective meter or test strips. | Please contact GlucoRx Customer Care on 01483 755133 |
If the test does not start after applying sample:
Possible Cause | What To Do |
---|---|
Insufficient blood sample. | Repeat the test using a new test strip with larger volume of blood sample. |
Defective test strip. | Repeat the test with a new test strip. |
Sample applied after automatic switch-off (3 minutes after last user action). | Repeat the test with a new test strip. Apply sample only when flashing “🌢” appears on the display. |
Defective meter. | Please contact GlucoRx Customer Care on 01483 755133. |
If the control solution test result is out of range.
Possible Cause | What To Do |
---|---|
Error in performing the test. | Read instructions thoroughly and repeat the test again. |
Control solution vial was poorly shaken. | Shake the control solution vigorously and repeat the test again. |
Expired or contaminated control solution. | Check the expiry date of your control solution. |
Control solution that is too warm or too cold. | Control solution, meter and test strips should be at room temperature (20°C-25°C / 68°F – 77°F) before testing. |
Defective test strip. | Repeat the test with a new strip. |
Meter malfunction. | Please contact GlucoRx Customer care on 01483 755133. |
Troubleshooting
HCT Meter Error Messages

Message | What It Means | What To Do |
---|---|---|
E-b | Appears when the batteries are too low. | Replace the batteries immediately. |
E-C | Appears when the wrong code strip is inserted or other coding errors. | Check if the code numbers on the display and ketone foil packet are the same. If the problem persists, please contact GlucoRx Customer Care on 01483 755133 for help. |
E-2 | Expired code strip. | Repeat with a new test strip. |
E-U | Appears when a used test strip is inserted. | Repeat with a new test strip. |
E-t | Appears when ambient temperature is above or below system operation range. | System operation range is 10°C to 40°C(50°F to 104°F). Repeat the test after the meter and test strip are in the above temperature range. |
E-0 E-A E-E | Problem with the meter. | Repeat the test with a new test strip. If the meter still does not work, please contact GlucoRx Customer Care on 01483 755133 for assistance. |
E-F | Appears when test strip is removed while counting down, or insufficient blood volume. | Review the instructions and repeat test with a new strip. If the problem persists, please contact GlucoRx Customer Care on 01483 755133 for help. |
Results Readings (for glucose test)
Results Readings (for β-ketone test)
How to interpret blood Ketone results
Reference: adapted from information provided in ‘The Balance Guide to Meds & Kit’, 2011-2012, p15)
Your ketone reading | Interpretation |
---|---|
Below 0.6mmo/L | This is normal |
Between 0.6 and 1.5mmol/L | You may require assistance; contact your Diabetes healthcare team for advice. |
Above 1.5mmol/L | Risk of Diabetic ketoacidosis; call your Diabetes healthcare team immediately. |
Troubleshooting
1. If the meter does not display a message after inserting a test strip:
Possible Cause | What to do |
---|---|
Batteries exhausted. | Replace the batteries. |
Test strip inserted upside down or incompletely. | Insert the test strip with contact bars end first and facing up. |
Defective meter or test strips. | Please contact GlucoRx Customer Care on 01483 755133. |
2. If the test does not start after applying the sample:
Possible Cause | What to do |
---|---|
Insufficient blood sample. | Repeat the test using a new test strip with larger volume of blood sample. |
Defective test strip. | Repeat the test with a new test strip. |
Sample applied after automatic switch-off (3 minutes after last user action). | Repeat the test with a new test strip. Apply sample only when flashing “🌢” appears on the display. |
Defective meter. | Please contact GlucoRx Customer care on 01483 755133. |
3. If the control testing result is out of range:
Possible Cause | What to do |
---|---|
Error in performing the test. | Read instructions thoroughly and repeat the test again. |
Control solution vial was poorly shaken. | Shake the control solution vigorously and repeat the test again. |
Expired or contaminated control solution. | Check the expiry date of the control solution. |
Control solution that is too warm or too cold. | Control solution, meter, and test strips should be at room temperature 20°C to 25°C (68°F to 77&def;F) before testing. |
Defective test strip. | Repeat the test with a new test strip. |
Meter malfunction. | Please contact GlucoRx Customer Care on 01483 755133. |
Improper working of meter and test strip. | Please contact GlucoRx Customer Care on 01483 755133. |
Q Meter Error Messages

Message | What It Means | What To Do |
---|---|---|
E-b | Appears when the batteries cannot provide enough power for a test. | Replace the batteries immediately. |
E-U | Appears when a used test strip is inserted. | Repeat with a new test strip. |
E-E E-0 E-A E-C | Problem in operation. | Repeat the test with a new test strip. If the meter still does not work, please contact GlucoRx Customer Care on 01483 755133 for assistance. |
E-F | Appears when test strip is removed while counting down, or insufficient blood volume. | Review the instructions an repeat test with a new test strip. If the problem persists, please contact GlucoRx Customer Care on 01483 755133 for help. |
E-t LOW | Appears when ambient temperature is below system operation range. | System operation range is 10°C to 40°C (50°F to 104°F). Repeat the test after the meter and test strip are in the above temperature range. |
E-t High | Appears when ambient temperature is above system operation range. | System operation range is 10°C to 40°C (50°F to 104°F). Repeat the test after the meter and test strip are in the above temperature range. |
Troubleshooting
If the meter does not display a message after inserting a test strip...
Possible Cause | What To Do |
---|---|
Batteries exhausted. | Replace the batteries. |
Test strip inserted upside down or incompletely. | Insert the test strip with contact bar end first and facing up. |
Defective meter or test strips. | Please contact GlucoRx Customer Care on 01483 755133 |
If the test does not start after applying sample:
Possible Cause | What To Do |
---|---|
Insufficient blood sample. | Repeat the test using a new test strip with larger volume of blood sample. |
Defective test strip. | Repeat the test with a new test strip. |
Sample applied after automatic switch-off (3 minutes after last user action). | Repeat the test with a new test strip. Apply sample only when flashing “🌢” appears on the display. |
Defective meter. | Please contact GlucoRx Customer Care on 01483 755133. |
If the control solution test result is out of range.
Possible Cause | What To Do |
---|---|
Error in performing the test. | Read instructions thoroughly and repeat the test again. |
Control solution vial was poorly shaken. | Shake the control solution vigorously and repeat the test again. |
Expired or contaminated control solution. | Check the expiry date of your control solution. |
Control solution that is too warm or too cold. | Control solution, meter and test strips should be at room temperature (20°C-25°C / 68°F – 77°F) before testing. |
Defective test strip. | Repeat the test with a new strip. |
Meter malfunction. | Please contact GlucoRx Customer care on 01483 755133. |
Troubleshooting
Vivid Meter Error Messages

Message | What It Means | What To Do |
---|---|---|
E-b | The symbol appears with this message. This means that your battery does not have enough power for a test.. | Replace the battery immediately. |
E-U | A used test strip is inserted, or there is an electrical problem. | Repeat test with a new test strip. If the error message re-appears, please contact GlucoRx for help. |
E-t | The temperature of the environment, meter or test strip is outside your system’s operating range. You cannot perform a test until your meter and test strip are within the operating range of 10°C to 40°C (50°F to 104°F). | Repeat the test after your meter and test strip are within the operating temperatures. |
E-E E-0 E-C E-A | Problem with your meter. | Review the instructions and try again with a new test strip. If the problem persists, please contact GlucoRx for help |
E-F | You may have removed the strip after applying blood to the absorbent hole. | Keep the test strip in your meter after it has absorbed the blood until the meter displays the test result. |
Troubleshooting
If the meter does not display a message after inserting a test strip...
Possible Cause | What To Do |
---|---|
Batteries exhausted. | Replace the batteries. |
Test strip inserted upside down or incompletely. | Insert the test strip with contact bar end first and facing up. |
Defective meter or test strips. | Please contact GlucoRx Customer Care on 01483 755133 |
If the test does not start after applying sample:
Possible Cause | What To Do |
---|---|
Insufficient blood sample. | Repeat the test using a new test strip with larger volume of blood sample. |
Defective test strip. | Repeat the test with a new test strip. |
Sample applied after automatic switch-off (3 minutes after last user action). | Repeat the test with a new test strip. Apply sample only when flashing “🌢” appears on the display. |
Defective meter. | Please contact GlucoRx Customer Care on 01483 755133. |
If the control solution test result is out of range.
Possible Cause | What To Do |
---|---|
Error in performing the test. | Read instructions thoroughly and repeat the test again. |
Control solution vial was poorly shaken. | Shake the control solution vigorously and repeat the test again. |
Expired or contaminated control solution. | Check the expiry date of your control solution. |
Control solution that is too warm or too cold. | Control solution, meter and test strips should be at room temperature (20°C-25°C / 68°F – 77°F) before testing. |
Defective test strip. | Repeat the test with a new strip. |
Meter malfunction. | Please contact GlucoRx Customer care on 01483 755133. |
Troubleshooting
GlucoRx AiDEX™ Error Messages

Problem | What to do |
---|---|
Data Lost | The GlucoRx AiDEX™ App can recover data after restarting. After restarting, the saved App data will be restored automatically. All the saved but not displayed data can be displayed again. If the App fails to display blood glucose data, please restart the Bluetooth and re-pair the App and the corresponding transmitter or contact GlucoRx. |
Transmitter Signal Lost | When “Transmitter Signal Lost” notification pops up, please check if you have turned off your Bluetooth. After turning on your Bluetooth function, signal connection between the App and the transmitter will be restored automatically. If “Error” notification pops up, please restart the App. The blood glucose data is temporarily stored in the transmitter during signal loss. When connection between the App and the transmitter is restored, all relevant data will be transmitted to the App. |
Fail to read data | Data reading failure can be caused by signal interference. Users are required to stay away from environments with strong electromagnetic interference, or contact GlucoRx |
X6 Error Messages

Message | What it Means | What to Do |
---|---|---|
E-b | The batteries are too low. | Replace the batteries immediately |
E-U | A used test strip is inserted. | Repeat with a new test strip. |
E-2 | The strip/ code chip is expired. | Make sure the date you set on your meter is correct and check the expiry date shown on the packaging. If the problem persists, repeat with a new code chip. |
E-t | Ambient temperature is above or below system operation range. | Repeat the test after the meter and test strip are within the operation temperature range. |
E-0 E-A E-E E-C | Problem with the meter. | Repeat the test with a new test strip. If your meter still does not work, please contact GlucoRx Customer Care for assistance. |
E-F | Test strip is removed while counting down, or insufficient blood volume. | Review the instructions and repeat test with a new strip. If the problem persists, please contact GlucoRx Customer Care for help. |
E-8 | The code chip is not inserted before testing or the meter does not support certain parameters. | Check the code chip is inserted for coding correctly. Make sure the code chip you are using supports the parameter being tested. If the problem persists, please contact GlucoRx Customer Care for help. |
If the meter does not display a message after inserting a test strip:
Possible Cause | What To Do |
---|---|
Batteries exhausted. | Replace the batteries. |
Test strip inserted upside down or incompletely. | Insert the test strip with contact bars end first and facing up. |
Defective meter or test strips. | Please contact GlucoRx Customer Care. |
If the test does not start after applying the sample:
Possible Cause | What To Do |
---|---|
Insufficient blood sample. | Repeat the test using a new test strip with larger volume of blood sample. |
Defective test strip. | Repeat the test with a new strip. |
Sample applied after automatic switch-off (1minute after last user action). | Repeat the test with a new strip. Apply sample only when flashing ” 🌢” appears on the display. |
Defective meter. | Please contact GlucoRx Customer Care. |
If the test does not start after applying the sample:
Possible | What To Do |
---|---|
Error in performing the test. | Read instructions thoroughly and repeat the test again. |
Control solution vial was poorly shaken. | Shake the control solution thoroughly and repeat the test again. |
Expired or contaminated control solution. | Check the expiry date of the control solution. |
Control solution that is too warm or too cold. | Control solution, meter and test strips should all be at room temperature 20°C to 25°C (68°F to 77°F) before testing. |
Defective test strip. | Repeat the test with a new strip. |
Meter malfunction. | Please contact GlucoRx Customer Care. |
Meter and test strip not working properly. | Please contact GlucoRx Customer Care. |
X6 Glucose
X6 Ketone
X6 Lactate
X6 Cholesterol
X6 Triglycerides
X6 Uric Acid
Pearl Meter Error Messages

Troubleshooting
Messages | What It Means | What To Do |
---|---|---|
E-b | Appears when the batteries cannot provide enough power for a test. | Replace the batteries immediately |
E-u | Appears when a used test strip is inserted. | Repeat with a new test strip. |
E-E E-0 E-A E-C | Problem in operation. | Repeat the test with a new test strip. If the meter still does not work, please contact GlucoRx Customer care on 01483 755133 for assistance. |
E-F | Appears when test strip is removed while counting down, or insufficient blood volume. | Review the instructions and repeat test with a new test strip. If the problem persists, please contact GlucoRx Customer care on 01483 755133 for help. |
E-t | Appears when ambient temperature is above or below system operation range. | System operation range is 10o C to 40o C (50o F to 104o F). Repeat the test after the meter and test strip are in the above temperature range. |
If the meter does not display a message after inserting a test strip...
Possible Cause | What To Do |
---|---|
Batteries exhausted. | Replace the batteries. |
Test strip inserted upside down or incompletely. | Insert the test strip with contact bar end first and facing up. |
Defective meter or test strips. | Please contact GlucoRx Customer care on 01483 755133. |
If the test does not start after applying sample
Possible Cause | What To Do |
---|---|
Insufficient blood sample. | Repeat the test using a new test strip with larger volume of blood sample. |
Defective test strip. | Repeat the test with a new test strip. |
Sample applied after automatic switch-off (3 minutes after last user action). | Repeat the test with a new test strip. Apply sample only when flashing “🌢” appears on the display. |
Defective meter. | Please contact GlucoRx Customer care on 01483 755133. |
If the control solution testing result is out of range
Possible Cause | What To Do |
---|---|
Error in performing the test. | Read instructions thoroughly and repeat the test again. |
Control solution vial was poorly shaken. | Shake the control solution vigorously and repeat the test again. |
Expired or contaminated control solution. | Check the expiry date of your control solution. |
Control solution that is too warm or too cold. | Control solution, meter and test strips should be at room temperature (20°C-25°C / 68°F77°F) before testing. |
Defective test strip. | Repeat the test with a new strip. |
Meter malfunction. | Please contact GlucoRx Customer care on 01483 755133. |