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1. It may be a short circuit or a leakage. Both of these reasons can be tripped.
2. Violent lightning (nearby power supply system, voltage fluctuation violently) can also trip.
3, can't push up:
1) Check whether the electrical appliances are faulty first.
2) Whether the temperature of each terminal board rises sharply (there is a mushy smell).
3) If you can't check it, you can unplug all the plugs at home, plug them one by one to check, and when the plug that trips is inserted, it will trip and repair it.
4. After troubleshooting, press the small square on the right side of the switch and then close the switch. (Note that you can press the small square to close, this button is also called the work protection button, to avoid live work).
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In the event of a tripping accident of the air switch, the attempt to close can not be successful, in addition to eliminating its own fault, it is generally because the line fault has not been eliminated, you can try the following methods to eliminate the fault:
1. The fault of tripping is generally divided into several types: short circuit of the line, leakage, overload, failure of electrical equipment at home, bad switch and other situations.
Second, if there is a trip failure, you can try to send it once, some circuit faults are timely, such as energy-saving bulbs burned may also be caused by a short circuit in the electronic components inside the trip, but this fault is temporary, you can try to send it once, if it still can't be closed, then don't send it first, continue the following steps.
3. Judge which switch is controlled by the switch that can't close the switch, if it is the main switch, you can turn off the sub-switch next to it in turn, and then try to send the main switch (if it is a leakage switch, the leakage display button on the top of the switch if it pops up, be sure to press this button back) If it can be closed, prove that the fault is on the shunt switch, close the shunt switch in turn, when the main switch trips to which switch, this road is the fault road.
Fourth, after determining the fault road, all the loads carried by this road can be cut off, such as plugs, switches, etc.
Fifth, if the trial delivery, if it still does not fit, then the problem is more complicated, it is recommended to find a professional electrician for maintenance.
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The trip is likely to be due to the heavy load of the BAI and the thermal element of the thermal tripper in the switch.
The heat of the piece makes the double gold dao piece bend and push it from.
The internal action of the decapacification buckle mechanism, the tripping caused by such reasons, the brake can only be closed after the bimetal sheet has cooled down for a while. There is also to check whether there is a problem with all the sockets on this line (room), if there is no problem, then check whether the connection of the line is wrong, try it. The socket is powered off but the internal wiring of the socket is still not disconnected, your socket is two wires, there is no grounding wire, there is no three-eye socket, if there is a three-eye socket, is the neutral wire and the grounding wire in the wrong position.
That's all I have to say, I hope it can help you.
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You should check your room and living room for any short circuits? Or is there something that is broken? Because according to your description, there should be a problem with the circuit in the room and living room, and under normal circumstances, the air switch will not break or work for no reason.
So, there should be a problem with the circuit in the living room of the room. Turn off and unplug everything in the socket in the living room of the room, and then turn on the switch, if it can be turned on, the switch is fine, and the circuit is problematic; On the contrary, the air switch is really broken...
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If the socket is broken, change it to another Maybe you use too much electricity Is there an electronic product that consumes too much power or leaks.
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I think it's a matter of empty opening, just change it.
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1. The air switch is damaged.
If it is empty. A trip occurred.
phenomenon, the air opening should be immediately overhauled accordingly. First of all, carefully check whether the air opening is faulty or damaged, whether it can continue to be used, or whether it needs to be replaced immediately. If the inside of the air opening has been damaged, then you can simply replace it with a new air opening.
2. A short circuit occurs in the line.
After careful inspection, it is found that the empty opening is not faulty or damaged, then it is very likely that the wiring in the home has been short-circuited. If the trip occurs due to a short circuit, find out the location of the short circuit, and the position of the short circuit must be found through the open wire part such as the search switch to be finally determined.
3. There is no leakage protector installed.
Because the construction is not standardized or negligent, the switch in some homes is not installed with leakage protectors, so it will be difficult to push up when the air is tripped.
4. The switching power is very small.
The switching power is too small. Especially when high-power appliances in the home are used at the same time, it can cause tripping situations. For example, high-power electrical appliances such as air conditioners, TVs, and hair dryers, if they are used at the same time, are very prone to the phenomenon of air opening and tripping and not being able to push up.
The main function of the air switch is to do so.
Under normal conditions, the armature of the overcurrent tripper is released; In the event of a serious overload or short-circuit fault, the coil connected in series with the main circuit will generate a strong electromagnetic attraction to attract the armature down and jack the locking hook, so that the main contact is disconnected. The undervoltage tripper works on the contrary, when the voltage is normal, the electromagnetic suction pulls the armature and the main contact is closed.
In the event of a severe voltage drop or power failure, the armature is released and the main contact is disconnected. When the power supply voltage returns to normal, it must be re-closed before it can work, and the voltage loss protection is realized.
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Cause of failure:
1.The air switch is broken.
2.A short circuit occurs in the line.
3.See if the leakage protector is installed, if it is installed, then see if the leakage protection button of the leakage protector jumps, and if it jumps up and presses it again.
4.The above are the reasons why it can't be pushed, and there is also a possibility that the switch is small and the air conditioner is large, and the two do not match.
Methods of checking:
1.First, check whether the leakage protection button of the leakage protector jumps. The current residential air conditioning circuit is generally equipped with a leakage protection module, which is the big one on the left of the line switch. There is also a total leakage switch.
2.Remove the line behind the empty opening to see if it can be closed, if it can be closed, it means that there is no problem with the empty opening.
3.Connect the removed thread to another open space. If you can close, use this; When it cannot be closed, remove the wiring in front of the air conditioner. If you close the circuit again, there is no problem with closing the line, and find a professional to repair the air conditioner; It cannot be closed, and the line is replaced.
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According to your description, it can be seen that the 12 computers in your home have more than 1500W of power, plus nearly 3000W of electricity for lighting, etc., and the corresponding air switch must reach 16A or 20A, at most 25A, otherwise it will not play an insurance role;
The trip is likely to be due to the heavy load, the heat of the thermal element of the thermal tripper in the switch causes the bimetal sheet to bend and push the free trip mechanism to move.
Since you can close the brake after unplugging part of the computer, it means that there is no short circuit in the entire pathway. So don't pull out the computer can not close the switch, the reason is that your computer has not cut off the switching power supply, when you close the moment each computer switching power supply and energy-saving lamp, fluorescent lamp transformer or ballast will produce several times the rated current of the excitation current, you see this moment of tens of amperes of excitation current air switch how can it stand it?
Finally, it is recommended that you install a 20A high-quality air switch, use a few more power strips with switches to plug into the computer separately, in case of tripping, you must turn off all power strips, and then open the power strip switches after closing, no problem! I hope you're there!
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If you can't push it up, it means that there is a short circuit, and the current caused by the short circuit is too large, which causes the gate to start the protection function, so it can't be pushed up.
At this time, the safest way is: call the property or the electrician, and let them come to repair the wires, don't get it yourself, it is easy to be electrocuted.
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1. What should I do if I can't push it up when the empty trip is opened?
The reason is that leakage or overload protection is triggered! Check whether there is leakage or short circuit in the line, and if it is the latest high-power home appliance to be added, please replace the leakage protection switch with a large capacity.
The air switch can't be pushed up after tripping, so it must be pulled to the opening position first, and then closed, and then it can be closed. Ask the trigger to the opening position.
After the air switch trips, you must first pull the brake down to the end, and then push it to close. The light switch tripped, not because of excessive current or leakage, not because of unstable voltage.
2. What should I do if the switch trips and can't be pushed?
The switch at home is always tripping, turn off all 7 shunt switches, the main switch can't be pushed, and the situation is still the same after changing the main switch, what should I do?
In this case, use a pen to try whether the zero line above the main switch is electrified, if it is electrified, it may be that there is a place in the meter box in the corridor where the zero line is loose, just tighten the zero line, and the following sub-switch has nothing to do with it, the premise of this situation is to remove the line below the main switch.
If it can't be pushed, it proves that there is a short circuit in the house, or the power is too much, but this should not be the case of your home.
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You didn't say the model, I don't know which one you said.
If it is an ordinary air switch, it may be that the circuit behind it may be a short circuit after removing the wiring of the lower end of the switch, if it still can't be closed, the switch is broken.
There is no model you said, take a look for yourself, according to the standard you said, it should be a household automatic air switch, or remove the wiring at the lower end and see if it can be closed again, it means that there is a problem with the wiring at home, and if it can't be closed, the circuit breaker itself is damaged.
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1.Check the empty wiring first. Is there a mistake?
No, connect the air opening outlet line of the lighting to the socket air opening outlet, how about it??
No, let's take the next step.
2。Short circuit, judge ** short circuit one by one. One switch, one test.
3。It is estimated that the short circuit is caused by water ingress.
4。Lighting can be used, air conditioning can be used, just the socket is missing. Find a small desk lamp,,One socket and one test.。。
5.Be careful with electricity. Stay safe. It's best to have a multimeter...
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Leakage or overload protection is triggered. Check whether there is leakage or short circuit in the line, and if you have recently purchased a new high-power home appliance, please replace the leakage protection switch with a larger capacity.
Press the reset button and then push, after tripping, you need to press it to reset the internal mechanism to close the leakage switch again, and the switch cannot be closed without resetting after tripping.
Or the switch is broken.
If you don't understand, you should find a professional to check, after all, safety is the most important thing.
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The air switch is currently the most widely used switch, because it can automatically cut off and trip when the rated current is exceeded, and the use of electricity is more safe, so most families will choose to install an air switch. However, in the process of using the air switch, it is often encountered that it trips, and it will fall off when pushed up, so what is the reason why the air switch trips and cannot be pushed? What should I do if the air switch trips and can't be pushed?
Here we bring the reasons and solutions for the tripping of the air switch.
What is the reason why the air switch trips and cannot be pushed?
1. The air switch itself is broken.
Sometimes you don't need to see the essence through the rock mountain phenomenon, if it is the air switch can not be pushed up, Qingwei in the case of ensuring the health of the home circuit, you can instead check whether it is broken, as we all know, for some circuit protection devices, itself is also in accordance with its inherent mechanism to run, if because of short circuit and other reasons, resulting in its mechanism is destroyed, resulting in the switch can not be pushed, then you automatically ignore the air switch, but repeatedly check the circuit, It's a bit of a contradiction.
2. Large air switches are difficult to push.
Some places with relatively high power consumption, such as the factory, because dozens of machines work at the same time, a month's electricity consumption is tens of thousands of yuan, so the small home air switch is definitely not suitable, but the choice of a strengthened version of the large circuit breaker, its size and function are more hardcore, and once there is a trip problem, it is difficult to break it up by hand, but need to use a professional gate knife to pull it down, and then push it up.
Causes and solutions of air switch tripping
When this happens, we can try to push up again, if we still can't push up, we should judge which switch is not closed, if it is the main switch, then we can turn off the sub-switch next to it in turn, and then try to send the main switch, if it can be closed, it proves that the fault is on the switch of the branch; After determining the fault path, we can cut off all the loads on this road, such as plugs and switches; After that, continue to try to push up again, if it still can't be closed, then the problem will be more complicated, it is recommended to find a professional electrician to repair it.
The above is the reason for the tripping of the air switch and the solution introduction, the emergence of the air switch, reduce the hidden dangers of household electricity, so that we can use the switch more assured. If you also encounter the situation that the air switch trips and can't be pushed up in life, you first need to judge what causes it, and then take the right way to solve it.
The first thing to note is that your 12 kilowatt device, if it's 220 volts, should have about 54 amps. Obviously you don't match the load with a 40 amp switch. Why does your switch not jump and jump the main switch, I personally think that 1 The sensitivity of your 40A switch is not high, because the switch of 40A with your current load will definitely not be able to withstand 2 Although your load has a current of about 54A, the current will increase at the moment when the electrical equipment starts, so the 63A switch will sometimes jump. >>>More
It will trip, because the empty load side is already grounded. At this time, the air open is closed, and a single-phase short-circuit circuit is formed between the load side of the air open and the earth, and the protection device (air open) on the line acts quickly to cut off the power supply. >>>More
There are two reasons for the tripping of the switch circuit breaker, one is overload, the other is a short circuit, the overload is that the power is greater than the capacity of the switch itself, it will trip after a long time, and the switch with a larger capacity needs to be replaced at this time, the short circuit is the phenomenon that the zero line and the live wire are in direct contact with the household appliances or the line, and the fault of the short circuit is that as long as the electrical appliances are opened, the switch will trip, I have read your description, I preliminarily determined that there is a contact short circuit somewhere in the line, The contact short circuit phenomenon is that there is contact but sometimes the contact can not be returned, so the switch you use sometimes jumps back and sometimes does not jump, when it is turned on for the first time, it will jump, and the second time it will not jump back, it is a short circuit when you open it once, and the contact point is arced by the current at the same time as the switch trips, so when you turn on the second time, the arcing point will not contact the energized, so it will not trip, the above is the analysis of your description, for reference only, the actual situation also needs to be checked by an electrician.
At home, right? A small blue protrusion in the lower left or middle of the distribution box. >>>More
The house is empty.
If there is no power on the sudden tripping push, first check whether the empty incoming line has electricity with a pen. >>>More