Troubleshooting, Symbols – ReliOn Thermometer User Manual
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Troubleshooting
Display Symbol
Condition/Cause
Corrective Action
Measurement is below
Retake temperature positioning
normal temperature range.
the probe snugly into the ear
canal.
Measurement is above
Retake temperature positioning
normal temperature range.
the probe snugly into the ear
canal.
Operating temperature is
Take thermometer to a room
outside of the permissible
where the temperature is
range (60.8°F – 104.0°F;
within the permissible range.
16.0°C – 40.0°C)
Wait 45 minutes to stabilize
thermometer. Retake
temperature positioning the
probe snugly into the ear
canal.
Blank display
Check battery polarity or
voltage. May need to replace
battery.
Low battery
Replace battery immediately.
Low battery warning
Unit will work; however,
replace battery when possible.
Symbols
Fahrenheit/Celsius
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 higher
than 100.4°F (38.0°C)
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