Routine maintenance
Troubleshooting
Fault description
The screen display “LO”
Buttons do not respond
No display or display abnormality
No beep
Shut's down immediately
Approach
1. Check the measuring are: If the forehead is dripping,
sweating or has cosmetics applied, the measurement
might be incorrect
2. Check the operating environment. Changes in the
operating environment may impact the measurement
results.
3. Check the measurement distance (1 - 7cm)
Re-insert the battery
Re-insert the battery
Check if the beep setting is off
Check the battery level and reinstall the battery
10
During the use of the product, please follow the prompts when you find the following conditions.
1) External dirt: Wipe the dirt with a clean soft cloth or wipe with a cotton swab and medical
alcohol.
Wiping with medical alcohol can also have sterilization effect, but watch out for excessive water
or alcohol to prevent damage to the inside of the product.
2) Internal dirt: The lens of the internal probe is an important device. Do not use fingers or other
object to clean the product, otherwise it will affect the measurement value.
When the lens surface is found to be dirty, please wipe the lens with a cotton swab moistened
with medical alcohol.
Note:
Do not use 75% sterile alcohol for cleaning, it will leave residual water marks on the lens.
Do not use other chemical wipes to clean the lens it may cause damage to the lens
3) Storage: Keep in a dry and dark place out of direct sunlight.
