8� Troubleshooting Guide
Error
Problem
message
Autotest in progress, device not ready.
Ambient temperature is not within
measurement range.
Forehead temperature above 108 °F (42.2° C)
or surface temperature above 176° F (80° C).
Forehead temperature below 93.2° F (34° C)
or surface temperature below 32° F (0° C).
Batteries low or depleted.
Solution
Wait for forehead symbol to stop
flashing.
Place the thermometer in an ambient
temperature between 59° F and 104° F
(15° C - 40° C) for at least 30 minutes.
Only use thermometer within
measurement range.
Only use thermometer within
measurement range.
Replace batteries.
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