Ninglu AM706D, Руководство по эксплуатации

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Maintenance
Main Unit
The main unit is maintenance-free.
If doing the cleaning, use soft cloth and mild detergent, and avoid
water drop.
Sensor Part
When there is ice or dirt on sensor to disturb the normal work, please
clear in time.
Regularly check external mounting bolts to avoid looseness and the
abrasion and ageing of cables
When the equipment breaks down, please contact our engineers of
after-sale service department in time. Please do not do the service
by yourself.