An industrial computer is an automated device that can be used as a controller to operate reliably in an industrial environment. With the continuous development of industrial automation, industrial computers have been widely used in industrial automation, self-service terminals, medical equipment, rail transit, communications, finance, network security and other fields. Device defects refer to the faults presented by the industrial computer when the device operates the system or application software. As the center of industrial control, the normal operation of the industrial computer is related to the stable and efficient operation of the system, and the user should grasp how to accurately and effectively deal with the problem of the industrial computer.
Possible malfunctions
1. When the industrial computer is operating the system, it will be down or error in the process of document imitation; Crashes or reports an error while configuring the system.
2. The industrial computer reports errors, restarts, and crashes in the device application software.
3. The industrial computer system is abnormal after the hardware equipment is installed (such as black screen, not starting, etc.).
4. After the application software is uninstalled, the device cannot be installed, or it cannot be uninstalled.
Maybe touch the parts
Disk drives, industrial motherboards, CPUs, memory, and other possible components, software.
Fault identification is the key
1. Preparation before maintenance
Prepare disk data cables; The latest driver for the appropriate hardware device.
2. Software device
1. Check the connection and appearance of hardware equipment
(1) Check whether the other equipment connected to the industrial computer is working normally.
(2) Whether the connecting wires between the equipment are connected incorrectly or missed. Whether the connecting plug and socket header are deformed, missing, short circuit, etc.
(3) Carefully check the error information and identify the parts that may be causing problems.
(4) Investigate whether the hardware equipment has peculiar smell and check the temperature of the components.
(5) Whether the speed of the CPU fan of the industrial computer is too slow or unstable.
(6) Whether there is abnormal sound when the driver of the industrial computer is working.
2. Check other aspects
(1) Confirm that the software and hardware equipment of the industrial computer meet the application requirements according to the operation manual of the software.
(2) Investigate whether the device medium is defective.
3. Equipment and devices
1. Whether the equipment and components of the industrial computer are connected correctly, whether the connection cable is missing, and whether the pin is missing, broken or short-circuited.
2. Whether the driver of the device is defective.
Fourth, the key to fault identification
1. Device operation system
First and foremost: Review the settings in the CMOS and revert to factory settings if needed. Secondly: pay attention to the parameters of the hard disk, the temperature of the CPU, etc. Investigate whether the information displayed during the self-test of the industrial computer is consistent with the hardware equipment in practice.
2. Device software
First and foremost: Check for viruses. Second, check whether the partition table is correct and whether the partition is activated. Use the Fdisk /mbr command to ensure that the master boot record is correct (after using this command, the IPC cannot be started, which proves that there is a virus or fault in the original system, and the hard disk of the IPC should be initialized). Finally: Check to see if there are any third-party memory resides in the system.
3. Device process
(1) If the CAB and other files are reported as wrong when copying a file, you can try to copy the original file to another hard disk and then install it. If it passes normally, there is a problem with the original device medium, and you can check whether there is something wrong with the media and the corresponding drive; If you still can't imitate it, you should check the disk drive, data cable, memory and other parts of the industrial computer.
(2) If the masking device is used and the CAB and other documents are incorrect, replace the device medium. If the problem persists, you should initialize the hard disk of the IPC before re-installing it. If it still can't be solved, then consider the IPC hardware.
(3) In the process of installation, when detecting the hardware, there is an error prompt, a blue screen or a shutdown, etc., one is to restart the industrial computer repeatedly to see if it can pass; The other is to see if it can pass through under the software minimum system. If you can't pass through, you should check the memory, disk, CPU, power supply and other components in the minimum system of the software in turn. If the installation can be normalized, it is a problem or equipment problem of the components outside the minimum system of the software, and those parts can be gradually added after the installation is completed, and whether there is a problem or improper equipment can be determined.
5. Hardware and other issues
1. If the device system is restarted or powered off, it is required to test under the minimum software system. If the problem disappears, after the system is installed, connect the devices outside the minimum software system one by one, check which part is causing the problem, and solve it with the replacement method; If the problem doesn't go away, look at the power supply, industrial motherboard and memory, and even the disk drive in the smallest system of software.
2. Device hardware equipment
(1) Whether the equipment and components installed are identified in the self-inspection process of the industrial computer, or can be identified by the operating system. If you can't read it, you should check the BIOS settings of the IPC and the device itself, including the jumper and the corresponding slot or port.
(2) Check whether there is a conflict between the equipment of the new device of the industrial computer and the equipment in the original system; After changing the sequence of the drive device, removing the corresponding parts or equipment in the original system, and replacing the slots, see if the problem is eliminated. If it cannot be eliminated, it is incompatible.
(3) Whether the installed equipment matches the technical standards or physical standards of the existing system.
(4) Check whether some settings in the current system do not match the components or equipment drivers installed.
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