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8. Common Faults and Solution
Fault phenomenon
Reason analysis
Solution
screen display
“
”
The measuring temperature is lower
than 32℃, which exceeds the
measuring range of the machine
Please re-measure according to
the instruction
screen display
“
”
The measuring temperature is lower
than 43℃, which exceeds the
measuring range of the machine
Please re-measure according to
the instruction
screen display
“
”
The ambient temperature is too low
or too high
Please measure at 16℃
~
35℃
ambient temperature
screen display
“
”
Low battery
Please replace the battery
No display or
abnormal display
The battery is reversed or the
machine is abnormal
Reinstall the battery, or contact
your dealer