LSLLYPY Water level sensor

LSLLYPY Water level sensor
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$ 5.90 $5.90 -0%
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Description
Product parameter
Name: Washing machine water level sensor
Product size: Diameter: 5.8CM Height: 4CM
It can be used if the appearance size is the same
Note: To change the sensor, drain the water in the bucket and refill it, and the joint must be sealed and not leaking;
Reset frequency 26.3khz
Anhydrous frequency 26.8khz
The lower limit of the water level is 28.5khz; the water level sensor is equivalent to a pressure switch. When setting the pressure value, water pressure will be generated after water injection. When the pressure value is reached, the water level switch will be automatically powered on to achieve the switch function. The water level switch of washing machine can be divided into electronic type (adjustable resistance type) and switch type. Both of them use the air pressure generated when the water level rises and transmit it to the sensor through a pipe to change the resistance or connect an internal switch to make the computer work normally. After damage, incorrect water injection will occur, long-term water injection will not work (operation), and it will not dry out after draining (this is rare because the sensor will not reset). In the maintenance process, pay attention to check whether the pipeline is damaged, whether the air tightness at both ends is good, and whether the sensor is leaking. When checking the sensor, you can use a nozzle to blow in air from the air inlet. At the same time, a meter should be used to measure whether the resistance value at both ends of the sensor has been changed or whether a switch has been connected. The screw on the upper surface of the switch sensor is used to adjust the water level, if the water level is not on time, you can adjust the water level
1. Water can be input, the overflow of water will not stop, and can not enter the washing process. 2. Water can be fed, and washing can be stopped when it reaches a certain water level, but it will not be dehydrated after draining. The buzzer will sound an alarm and a code (such as E5) will be displayed on the computer board. 3. It can enter water and dehydrated water. The water level has been adjusted to the highest position, but the actual water level is so low that some people cannot dip into their clothes. This situation is usually caused by a mismatch of other people after replacing the sensor. It is necessary to find matching substitutes for it. (I came across two 6kg Meiling machines. It is useless to adjust the plastic screw on the top of the sensor with a hexagonal screwdriver. (Yes.) 4. After replacing the sensor, it will not be able to wash and dehydrate normally. Connect the three wire plugs of the sensor Connected to the DC 10V range of the multimeter, the exchange method at the end of the wire is not greater than 4.5V (usually greater than 2V). The principle of the electronic water level switch is to use water pressure to change the inductance in the switch, thereby causing the resonance frequency or duty cycle to change. So that the computer can sense the change of the water level. There are two capacitors and a coil, there is a magnetic core on the film, and the computer board will detect the inductance of the water level sensor (because the magnetic core moves according to the water level) to control the water level. To the princess iple, It should not be disconnected easily, because there are only two small capacitors and one coil, so they are not easy to disconnect. But in fact, it is easy to crack. When disconnected, the capacity of the two capacitors will not change, and the coil will not Will disconnect. Normally, frequency selection is used to control the water level.

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