The lock tongue slip slowly after installed the machine with electricity. It is powerless. But when we connect it with battery, it turns normal again. Why?
Hello, because the battery voltage didn’t enough the machine’s power. When you connect it with the battery, the voltage turn normal temporarily(when the battery power is over, this phenomenon will show again).
Handling method: 1. check the connection 2. Change more powerful power 3. Make sure the power reach DC12V，1A
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