FAQ 2 페이지 > (주)유니코하이테크

If it is not operated by a vertical or horizontal line, such as 1.4.7 or 1.2.3, the internal cable line may be disconnected or internal cable is bent due to incorrect insertion of cable.

Then please contact our service center. 

1. Battery may be discharged. Please change all batteries (1.5V aa Alkaline batteries)

2. Make sure that the batteries are inserted correctly to match the polarity.

There is a large deviation depending on the installed environment, installation status, and use environment. Usually, it’s about 8~16months. Please change all batteries with new 1..5V AA Alkaline batteries.

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※ The use of some low-cost(Manganese, Alkaline) batteries, mixing other brands, mixing existing low batteries, bulk packing batteries can be cause of early discharge or device break down by battery leakage so please be careful when using them.