Troubleshooting
Display Symbol Condition/Cause
Corrective Action
Measurement is below
Retake temperature
normal temperature range.
ensuring proper
positioning.
Measurement is above
Retake temperature
normal temperature range.
ensuring proper
positioning.
Operating temperature is
Take thermometer to a
outside of the permissible
room where the
range (60.8°F – 95.0°F;
temperature is within the
16.0°C – 35.0°C).
permissible range.
Wait 45 minutes to
stabilize thermometer.
Retake temperature
positioning the probe
snuggly into the ear
canal.
Blank display
Check battery polarity.
May need to replace
batteries.
Low battery
Unit will work; replace
batteries soon.
Low battery warning
Replace the batteries
immediately.
Symbols
Fahrenheit/Celsius
Forehead Scan Mode
Object Scan Mode
Memory symbol and
measurement number
Scanning in progress
Low battery
Happy face
Indicates temperature is lower
than 100.4°F (38.0°C)
Sad face
Indicates temperature is 100.4°F
(38.0°C) or higher
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