Crimes such as theft, robbery, burglary and other crimes often occur in places with not so many crowds.
This makes it difficult for the authorities to obtain strong evidence in uncovering the case. For this reason, a surveillance device was created that can record location to monitor events at that place called CCTV.
CCTV or Closed-circuit Television is a surveillance camera that is installed at a certain location with the aim of recording all events in that place, usually in places that are prone to crime.
With CCTV, all events at a certain time and place can be reviewed to examine what really happened. However, what happens if the CCTV that is relied on as a supervisor cannot record?
The following will describe some of the causes that result in CCTV not being able to record and how to overcome them.
1. Connector Cable Disconnected
Output data (recording) from CCTV in the form of analog signals causes CCTV to require a cable called a coaxial cable for the distribution of the data to the monitor.
There is a problem with the cable connection from the CCTV camera to the monitor causing the image to not appear on the monitor. So, CCTV is said to be unable to record images.
The way to solve problems like this is to track the cable path from upstream to downstream. If the cause of the cable break does not require the replacement of a new cable, then the user can simply connect it.
2. Power Supply or Adapter Off
Each electronic equipment will be accompanied by an adapter or power supply as an adapter of the voltage of the PLN electricity source with the voltage required by the electronic device. This also applies to CCTV.
The power off the CCTV adapter causes no electricity to flow to the CCTV, so the CCTV will turn off (not recording).
The way to solve problems like this is to check with the Avometer to ensure that there is electricity on the output side of the power supply or not.
If there is no electricity, it can be ascertained that the power supply is damaged. Users can make changes to the power supply. This section (power supply) is located in the control box.
3. Camera Recorder Damage
An important part of CCTV is the camera recorder. If this section is damaged, then no image will be displayed on the monitor. The way to solve problems like this is to take the camera to a CCTV service expert.
If it can be repaired with a reliability level above 50% works well, we recommend using the camera that has been repaired. However, if the reliability level is less than 50%, the user can replace it with a new camera.
4. Damage to the Connector Port
In data distribution that still uses cables, the connector port is a crucial part. The port here is the port on the power supply box (Figure 3).
Damage to the port causes the CCTV camera to not get an electric current so it cannot function to record images.
The way to solve problems like this is to move the cable to another port. If after being moved the camera can record, it can be ascertained that there is damage to the port.
5. Broken DVR
Digital Video Recorder (DVR) is a device for converting analog signals into digital signals. The data generated from the camera is in the form of an analog signal, so that it can be stored in storage devices such as hard drives, memory cards, USB flash drives and other storage devices, it must first be converted into digital signals.
With the DVR, the image captured by the camera in the form of an analog signal is then converted into a digital signal that can be stored in the storage device. The presence of damage to the DVR makes the images captured by the camera not recorded and displayed on the monitor.
The best way to solve problems like this is to bring in a CCTV service expert. The high price of DVRs causes some users to prefer to repair rather than buy a new one.
Once repaired and can be used, it can be directly used again. However, if it has been badly damaged, the only solution is to replace the old DVR with a new one.
6. Hard Disk Damage
The hard drive is a storage device that resides in the DVR. The recorded image will be saved to the hard drive according to the specified time.
If there is damage to the hard drive, the image will still be displayed on the monitor, but cannot be played back due to unavailability of data on the hard drive.
To solve problems like this, it is best to replace the hard drive. Hard drives are storage devices that are prone to damage, especially when a collision occurs.
Hard drive restoration costs are also quite expensive. So, the best way is to replace it.
However, there is a little note that if the data on the hard drive is not really needed, replacement can be done, if there is important data on the hard drive, you can take the hard drive to a hard drive service expert.