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8. Troubleshooting/Error Messages
Temperature taken is not within typical human
temperature range.
(93.2°F ~ 109.4°F or 34.0°C ~ 43.0°C)
Operating temperature exceeds the range of
specified temperature.
The screen flickered, and automatically
turned off.
Take measurement again.
Move to a room within operating
range, wait 30 minutes before
taking temperature.
Replace battery or the product
has been damaged, needs
repair.
Low battery indication.
Replace with new battery.
Ambient temperature changes too fast.
Wait until the ambient
temperature is stable.
1. Power is off.
2. Improper battery installation.
3. The battery is exhausted.
4. Display remains blank.
1. Press ON button again.
2. Check the battery polarity.
3. Replace with new batteries.
4. Contact Customer Service.
Measured over the distance 0.04-5.9 in (0.1-15 cm).
Hair, antipyretic stickers, perspiration, or dirt can
interfere with measurement.
Move closer to patient.
Clean measurement area.
Display Situation Solution
9. Maintenance
9a. Replacing the Batteries
The thermometer comes with two 1.5V AAA (LR03) alkaline batteries.
Replace with two new AAA (LR03) batteries when the low-battery symbol
“ ” appears on the display. Ensure correct polarity as indicated inside
the battery cover. Always replace both batteries at the same time.
Remove batteries when the thermometer will not be used for an extended
period of time.