Common faults and maintenance methods of security doors
Security doors may have various faults due to improper operation or other reasons during daily use. There are many kinds of these faults. When we repair security doors, we need to understand the specific faults and causes of security doors before we can further know how to repair security doors. Today, I will introduce some common faults and repair methods of security doors.
Security door fault 1: The power indicator is not on
Solution: Check whether the incoming line plug is firmly plugged in and whether the power cord is in good condition.
Security door fault 2: No alarm
Solution: Check whether there is an interference source around, try to change the crystal oscillator to change the frequency (different security doors are equipped with manuals for specific operation. If the infrared is abnormal, it is recommended to contact the factory for replacement and repair.
Security door fault 3: The alarm time is too long
Solution: Check whether the alarm duration setting and infrared counting are normal.
Security door fault 4: Unexplained alarm
Solution: First check the interference signal light. If it is always on, it means that there is interference around the security door. If the interference signal light is not on, you can adjust the working frequency of the security door.
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