Error Messages - Vicks V977 Use And Care Manual

• In the following situations it is recommended that three temperatures in the same location
be taken and the highest one taken as the reading:
1) Newborn infants in the first 100 days.
2) Children under three years of age with a compromised immune system and for whom the
presence or absence of fever is critical.
3) When the user is learning how to use the thermometer for the first time until he/she has
familiarized himself/herself with the instrument and obtains consistent readings.

7. Error messages

Display / Problem Display meaning
Measured temperature too high
CAUTION: High fever requires
immediate medical attention!
Measured temperature too low
Room temperature too high
Room temperature too low
Error function display
Blank display
Dead battery indication
Possible cause and remedy
Displays «H» when measured
temperature higher than 108.0 °F.
Displays «L» when measured
temperature lower than 93.2 °F.
Displays «H» in conjunction
with the «s» when room
temperature is higher than
104.0°F.
Displays «L» in conjunction
with the «t» when room
temperature is lower than 60.8 °F.
When system has a malfunction.
Please check if the battery
has been loaded correctly. Also
check polarity (<+> and <–>) of
batteries.
If the steady battery icon is
the only symbol shown on the
display, the battery should be
replaced immediately.