UNI-T MIE0149, Owner'S Manual, Page: 26 / 54

Owner’s manual
26
EN
MAINTENANCE
Warning:
during replacing battery or measuring, keep the
sensitive mirror from scratch or dirt to avoid damaging the
mirror or influencing the measuring precision; and do not charge the
replaced battery to avoid explosion and safety accident!
Battery installation and replacement
When the symbol flashes permanently in the display replace the
battery immediately.
1. Remove the battery compartment lid with included battery key
or a coin.
2. Insert 2x AAA batteries with correct polarity.
3. Close the battery compartment by screwing it tightly with the
included key or a coin.
Note:
• Use alkaline batteries only.
• Remove the batteries before
any long period of non-use to
avoid the danger of corrosion.
Troubleshooting
Error Possible reason Possible solution
101 Low battery level Change the batteries
104 Calculation error Repeat the measuerement
152 Too high temperature Change the environment
153 Too low temperature Change the environment
154 Working range
exceeded
Take the measurement within
the range of 0,05 - 70 m