SymptomPossible Cause Solution
The thermometer fails to
power on.
The battery level is extremely
low.
Use new batteries of the
same model or specifications.
Polarities of the batteries are
reversed.
Ensure that the batteries are
correctly installed according
to the polarity symbols in the
battery compartment.
The thermometer is faulty. If the warranty period does
not expire, contact VIVE.
Only the battery symbol
is displayed after the
thermometer powers on.
The battery level is low. Use new batteries of the
same model or specifications.
"Er1" is displayed.
The ambient temperature is
lower than 50ºF (10ºC) or
higher than 104ºF (40ºC).
Take a measurement under
an ambient temperature
between: 50.0°F (10°C) &
104°F (40°C).
"Er4" is displayed.
An error occurs when data is
being read from or written into
the memory, or the
temperature correction is not
complete.
Contact Vive.
The temperature
reading is lower than the
typical body temperature
range.
The lens of the temperature
probe is dirty.
Clean the lens using a cotton
swab.
The distance between the
temperature probe and the
target is too far apart.
Move the thermometer closer
to the target.
The thermometer is not used
within 30 minutes after being
taken from a cold environment.
Wait for more than 30 minutes
after the thermometer is
moved into the ideal
measurement environment.