Advantech's industrial computer is basically used and maintained

Create Date: 2024-8-30 12:03:23|Source: EVOC/EVOC

Advantech's industrial control equipment is used and maintained.

Advantech's industrial computer is basically used and maintained

　　Error handling is first-come, first-served.

First of all, we must understand and then familiarize ourselves: first analyze and consider the possible problems according to the on-site situation, and then we can do it;

Cleaning first, then repairing: practice has shown that many faults are caused by dirt, and the fault is often automatically eliminated after cleaning;

In front of the machine, outside the outside and inside the machine: first check the external power supply, equipment, and wiring of the computer, and then open the chassis to check;

Opportunity before electricity: distinguish whether it is caused by mechanical reasons or electrical faults;

The first is software to hardware: first is the judgment of software, then the judgment of hardware;

First of all, the power supply is the power source of the computer, and many failures are often caused by power failure;

First common problems and then specificity: first rule out common faults with generality and regularity, and then check for specific faults;

Outsourcing first and then insourcing: Check the outsourcing circuit first, confirm that the outsourcing circuit is normal, and then consider replacing important components.

Common fault detection methods.

Cleaning method: for the use of poor environment, long use of the machine, generally there will be a lot of dust inside, at this time should be used to gently brush off the dust on the motherboard, bottom board and other equipment, in addition, because some of the cards or chips on the board in the form of sockets, vibration, dust, moisture and other reasons, often lead to its pin oxidation, poor contact. You can use an eraser to wipe off the oxide layer on its surface, and turn it on after re-plugging it to check whether the fault is eliminated.

Direct sight mode: that is, see, hear, smell, touch, that is, observe whether the plug and socket of the system board are tilted, resistant, whether the capacitor tube is in contact, whether the surface of the PCB is burned, whether the chip surface is cracked, whether the copper foil trace on the motherboard is burned, whether the copper foil is damaged, and whether the components on the PCB fall into it (causing a short circuit), you can also check whether there is a place of scorching and discoloration on the motherboard and other boards, whether the traces (copper foil) on the circuit board are broken, whether there are broken components on the PCB board, etc.

Plugging and unplugging mode: There are many reasons for the failure of the PC system, such as the failure of the motherboard itself, the failure of the I/O bus, and the failure of various plug-in cards, which can cause the system to fail to work normally.

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