14
9. Troubleshooting
During operation, tip information or symbols may appear on the main
display screen, the below error info can be corrected:
Symbol
Causes
Solutions
Improper measurement; too
weak or too strong signal;
Re-measure and measure the target
locations that have a stronger or weaker
reflective capability, or use the reflection
board.
Light surrounding the target
object is to strong
Measure the target locations that have
weak surrounding light
Beyond working temperature
(above 40
℃
or below 0
℃
)
Carry out measurement with the meter in
the specified scope (0
℃
to 40
℃
)
2800
Hardware failure
This symbol appears while the meter is
turned on/off several times, which
indicates the device is damaged. Please
contact your local dealer for help.
10. Accessories
●
2 * 1.5V “AA” LR6 batteries
●
User manual
●
Carry pouch and gift box
Summary of Contents for LD-70
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