The alarm clock generally bears the mission of calling us to get up. If our alarm clock is broken, we can’t continue its mission. How can we repair the alarm clock?
A second-hand falls off, the alarm is out of order
Disassembling the alarm clock is a simple and sophisticated product that is relatively easy to use. The tool has only a simple Phillips screwdriver. Look carefully at the back of the alarm clock. There are only three twisted wires. When opening, be careful to remove them gently to avoid tearing off the connecting wires. See clearly, there are three silks, so gently remove them.
The first step of repair, change the battery, press the night light switch test, intact.
The night light is just bright
The second step of the repair, install the second hand, add the battery test, the second hand is running normally, and the function is restored.
The third step of the maintenance, the motor test of the alarm, the debugging to the ringing time, the motor is not working, the connection is checked, and the disconnection problem is not found, and the non-connection failure can be eliminated. The alarm switch and the motor are eliminated. The switch is repeatedly turned on and the motor is intermittently operated. It is possible to determine the problem of poor contact with the alarm switch.