OneTouch^® Ultra^®2 – Error Warning Error 4

Published 2025-04-16

Updated 2026-02-17

Products OT Ultra 2 Meter

Error 4 Message:

One Of The Following May Apply:

What It Means:
- You may have high glucose and have tested in an environment near the low end of the system’s operating temperature range (43–111°F).
What To Do:
- If you tested in a cool environment, repeat the test in a warmer environment with a new test strip.

OR

What It Means:
- There may be a problem with the test strip. For example, it may have been damaged or moved during testing.
What To Do:
- If you tested in a normal or warm environment, repeat the test with a new test strip.

OR

What It Means:
- The sample was improperly applied.
What To Do:
- If you applied the sample incorrectly, review articles on blood application or control solution testing and repeat the test with a new test strip.

OR

What it Means:
- There may be a problem with the meter.
What to do:
- If you applied the sample incorrectly, review articles on blood application or control solution testing and repeat the test with a new test strip.

AW 06650010A