6/11
Error signals
Problems & Solutions
Q: If the temperature is more than 43
℃
/109.4°F, the LCD displays “Hi”.
A: Recheck the measured object before measuring.
Q: If the temperature is below 35°C/95°F the LCD will keep displaying
“Lo”.
A: Recheck the measured object before measuring.
Q: Informing battery replacement time.
A: Replace the battery.
Err 1
Q: Operation temperature is out of range.
A: Put the device at a place with normal room temperature (15°C
~35°C/59°F ~ 95°F) for, at least, 30 minutes before measuring.
Err 3
Q: If the thermometer has some problems and can’t measure
temperatures, the LCD will display “Err 3”.
A: Send the thermometer back to your retailer or the store you bought.
EXPLANATION OF LOT NUMBER
The date of manufacture is included in the LOT. The LOT has 5 numbers. The
first number means the year (0-9). The second number means the month (Jan. - Sep.:
1-9, Oct.: A, Nov.: B, Dec.: C). The third and fourth numbers mean the date (1-31). And
the last number means the batch of the month.
Example:
LOT 95051
CLEANING/DISINFECTION AND MAINTENANCE
1. When continuous re-measurements are required, clean the sensor by medical
alcohol (75%), then wipe it with clean and dry cloth (medical cotton) before
each use.
2. After cleaning, wait at least 2 minutes before taking a measurement for the unit to
readjust to room temperature.
3. Use only a soft dry cloth to clean the body of the thermometer (if necessary). Never
use an abrasive cleanser or submerge the thermometer in water or other liquids.
3. Keep the product under normal room temperature (15°C ~ 35°C/59°F ~ 95°F).
4. We recommend to verify the accuracy by an authorized laboratory every 2 years.
month batch of the month
year date
