McKesson Quintet AC Owner's Manual page 51

Er3- Signal transmission is disrupted. Repeat the test.
Er4- The applied blood volume is insufficient. Repeat the test with a new test strip.
Er5- An issue calibrating the meter has occurred. Please follow the steps below:
(1) Remove the test strip from the meter.
(2) Turn off the meter (press and hold the Main button for 4 seconds).
(3) Press the main button to turn ON the meter.
If after turning on the meter, you do not see Er5, your meter is functioning
properly and able to perform a test.
Meter Malfunction
If the meter cannot be started, please follow the steps below:
1. Open the battery cover and remove the batteries.
2. Wait for 5 minutes and insert the batteries as described in the "Battery Installation"
section, page 16.
The meter should be working normally after finishing the above steps. If the meter does not work properly,
please contact the McKesson Brands Product Support Team at 1-800-777-4908.
Error Messages And Troubleshooting
51