TriBrer EPN90, User Manual

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18
Maintenance and calibration
Routine attention
1.Fiber-optical adapter should keep clean.
2.Please store the device in dry and ventilated place.
3.The long period no use , please take out the batteries.
Common malfunction
Described Described Malfunction cause Malfunction cause
Handle way Handle way
Display the messy
code
Reset is incorrect Reset
Operation do not
have reaction
Program is disorderly
Reset
Can not turn on
No battery Check battery setting
After turn on shut it
immediately Check battery
capacities
Change battery
Can not charge
Use Non-rechargeable
batteries
Change battery