Midea electric kettle shows E2 what's the trouble?
Notice the smell of burning in the main board and board to find out the fault and determine the location of the short circuit. Also listen to the power fan, soft / hard disk motor or track mechanism, monitors, transformers and other equipment work, the sound is normal. In addition, when the system short-circuit fault is often accompanied by abnormal sound, monitoring can detect some hidden dangers in time and help to take timely measures in case of accidents.
The principle of computer hardware troubleshootingThe computer is out of order and usually has some clues. Generally, the following principles should be followed in carrying out the inspection and diagnosis of faults:1. first check the machine parts, and then check the machine partsIf the host or monitor does not turn on the light, check the switch, the safety, the socket, the circuit breaker, the short circuit and so on. Then confirm the parts outside the machine and then open the case or monitor to check. Open the box, plug and socket system board to observe whether the skew, resistor, capacitor pin is touching, the surface is burnt, the cracking surface of the chip on the motherboard, the copper foil is blown; to check whether the foreign body fell between the motherboard components caused by short circuit, can also go to see if there is a local line, printed circuit board on board burnt discoloration (copper) whether fracture etc..