42
Message
What it means?
What to do?
The “HF” and thermometer icon
appears. Temperature is too high,
outside the required range of 50°F -
104°F (10°C - 40°C). This alerts users
that an incorrect result may occur if
the test continues.
Relocate the meter to a location with
temperature between 50°F - 104°F (10°C
- 40°C).
The “LF” and thermometer icon
appears. Temperature is too low,
outside the required range of 50°F -
104°F (10°C - 40°C). This alerts users
that an incorrect result may occur if
the test continues.
Relocate the meter to a location with
temperature between 50°F - 104°F (10°C
- 40°C).