The lights at home were fine yesterday, but they suddenly stopped turning on today, what s going on?

The bulb is broken: when we check that only this one light is not on, and the other lights are on, and we can also confirm that the bulb is good, then check the lamp holder, the specific operation steps: after the power is cut off, use a screwdriver to remove the lamp holder; Then send the power, use the multimeter to measure the zero line and live wire of the lamp, if the zero line and the live wire are normal, then the lamp holder is broken, and a new lamp holder should be solved; If there is a problem with the zero line or live wire of the lamp, then it should be summarized on the line, and the following will be analyzed for you;

The problem of the switch: in addition, if the lamp is controlled by a single switch, the switch should be checked at this time, the possibility of damage to the switch is very large, especially the current voice-activated switch, sound and light control switch, delayed touch switch, human body induction switch, are often broken, the easiest way is to directly replace the switch with a new one, because the switch of the lamp is more troublesome to check, it is not as convenient as directly changing to a new one;

The problem of the line: If you find that the stairwell lights of a circuit are not on, then it is estimated that it is a problem with the line; At this time, we first need to find the gate of this circuit, see if it trips, if it does not trip, use a tool to check whether there is electricity under the gate, if there is no power under the gate, then the gate is broken, and a new gate can be replaced; If there is electricity at the lower gate, then there is a problem with the circuit, at this time, you can use the on-off function of the multimeter to find the wire, and connect or change the wire after finding the breakpoint; There is also a situation that these lights are controlled by a switch, so don't do anything else, change the switch of the light first.

1. First of all, see if the bulb is not good.

2. Check if there is electricity.

3. Whether the switch is broken.

4. Whether it is controlled by two places.

Get a professional electrician for repairs.

It may be that the bulb is broken, or it may be that the wiring is not in good contact.

The lights suddenly went on for the following reasons:1. Check whether there is no electricity bill and pay in time.

2. Check the circuit fault situation, whether the main switch or the line of the lamp has tripped, and the rated power and rated voltage of the bulb are too high, resulting in the circuit tripping lamp not lighting.

3. Check the tungsten wire in the lamp, because this is the more common reason why the lamp is not lit.

In the above situations, you can solve the situation that the light suddenly does not turn on.

1. Open circuit problem: For example, the filament is broken, the wire end is broken, the switch is open, etc., which will cause no current to pass through the appliance, so the lamp cannot shine normally.

2. Short circuit problem: In a wire socket, once the neutral wire and the live wire collide, it will cause a short circuit. Once a short circuit occurs, the fuse will be burned for a long time, and in serious cases, the line will be burned and cause a disaster.

3. Overload problem: Once the total power of the electrical appliances used in the circuit is too large, the line can not bear it, and the fuse will eventually be burned.

4. Circuit connection problem: If the two wiring of the socket are connected to the same wire when the connection is made, it will cause the bulb to be in a state of series connection, and the bulb in series will not light up.

Precautions for the use of lamps and lanterns.

Lamps and lanterns must be used under a predetermined voltage and frequency, and all grounded lamps and lanterns must be checked frequently to prevent the harm caused by leakage.

Ordinary lamps and lanterns should not be used in and near heaters such as electrical, gas, kerosene stoves, etc., or in places where steam is directly encountered, so as to prevent high temperature damage to lamps and lanterns, and at the same time bring harm to people.

Try not to repair lamps in dangerous places such as gas and steam, as it is easy to conduct electricity in a humid environment. Do not place items such as paper cloth near or cover the illuminator.

1. Open circuit problem. For example, if the filament is broken, or the end of the wire is broken, the switch is open, etc., it will cause no current to pass through the appliance, so the lamp cannot shine normally.

2. Short circuit problem. In the socket of the wire, once the neutral wire and the live wire collide, it will cause a short circuit, once a short circuit occurs, the fuse will soon be burned off, and in serious cases, the electrical circuit will be burned and cause a disaster.

3. Overload problem. Once the power of the common electrical appliances in the circuit is too large, it will cause the circuit to be unable to bear it, and eventually the fuse will burn out.

1 may be the live wire is broken, you can use an electric pen to measure whether there is electricity through the bulb, the zero line is broken, it cannot form a loop, and the light will not be on;

2. The live wire and neutral wire are short-circuited, and no current passes through the bulb;

3. The rated power and rated voltage of the bulb are too high, and the power supply voltage used cannot reach this value, and the light is not on.

Most likely, the bulb is broken.

In the case that other electrical appliances are running stably, if only the headlights are not on, then it may be that the lights are broken, or the lamp ports are broken, or even the lines are broken.

The lights in the room suddenly stopped coming on, it was possible that the bulb was broken, and of course, it was not ruled out that there was a short circuit in the wiring, or it was indeed caused by a power outage. There are many reasons, and the specific situation should be dealt with on a case-by-case basis.

The lights in the room suddenly stopped working, and it was generally due to a power outage in the community.

It is also possible that the air switch in your home tripped, causing a power outage.

Finally, there is another possibility, and the last one is that some electrical appliances used at home leakage and leakage, and the protection switch automatically trips.

The lights in the room suddenly went off, and it was possible that the fuse was burned. You see if the other elevators in the room are still bright, if the other elevators are still like that, it may be that the electric switch has tripped. You just have to restart the switch and close it.

Hello, the light in the room suddenly did not turn on, it is likely that the light bulb in the room here is caused by the aging of the wick here, you can just change the light bulb, I hope my answer can help you.

The lights in the room suddenly don't turn on, to see if there is a power outage or an overload trip, if neither of these two cases, it may be a simple light bulb burned.

The lights in the room suddenly didn't turn on, this situation is mainly tripped, and it is easy to trip when there is high power, so you have to look at the air conditioner or induction cooker, turn off the power and start again.

There must be many reasons for this, and if you use too much electricity, it is normal to break the gate all at once. Or if there is a short circuit in any place, it is also possible, and there is an arrears of electricity bills, and there is also a possibility of a sudden power outage.

The lights in the room suddenly went off and were most likely burned bulbs. If it's just that one of the light bulbs doesn't light up and everything else is normal, it may also be tripped.

More suddenly, suddenly, more suddenly, what is the situation, what is the situation, what is the situation, what is the situation? It can also be a power outage, a power outage, or a drop, or a power outage, or a circuit, or a power outage, or a circuit short-circuit, or a short-circuit trip, or a power outage, or a circuit short-circuit tripped.

If the bulb is broken or there is a power outage, first check whether it is a power outage in arrears or a power outage in the area, and if not, change the bulb.

If such a thing happens, I think one of the main reasons may be that the lamp is broken, or the lamp is burned out, so this kind of thing will happen directly, or there is a problem with the circuit in your home.

The lights in my room suddenly go on, but the lights in the other rooms are on? The circuit at home generally uses a parallel circuit, so the light in your room is not on and has nothing to do with other rooms, which can also show that the light in your room is not on is the reason why the bulb is broken.

Hello, I think it might be a power outage or a broken light bulb.

If the lights in other rooms can be turned on, it means that the lights in this room are broken.

The lights in the room suddenly turned off, consider whether there is a power outage or a short circuit in the wires, or maybe the lights are broken.

Summary. Dear, I'm glad to answer for you: the lights at home suddenly don't turn on, at this time you can see if there is electricity in other electrical appliances in the home, if other electrical appliances have electricity, then there are these two reasons, the first is that the bulb is broken, at this time you can change a bulb.

The second is that there is a problem with the line, at this time, you should check the joint of the line and the switch to see if there is any poor contact, repair it in time, and the problem will be solved.

Why is the light in the house suddenly not on?

Dear, I'm glad to answer for you: the lights at home suddenly don't turn on, at this time you can see if there is electricity in other electrical appliances in the home, if other electrical appliances have electricity, then there are these two reasons, the first is that the bulb is broken, at this time you can change a bulb. The second is that there is a problem with the line, at this time, you should check the joint of the line and the switch to see if there is any poor contact, repair it in time, and the problem will be solved.

All the lights are not on, the downlights are white, the air conditioner plug is out of power, and the other sockets are electric, how to solve it.

Dear, I am glad to answer for you: there are 4 main reasons why the downlight does not light up, and you need to find the right problem to solve. 1.

The whole light is not on; In such a situation, it may be that the lamp beads or the drive are bad, but in general, the drive is broken, just replace it, remember to choose a good driver, the drive is the heart of the lamp, the heart is not good, and then replace it is in vain. 2.Glowing and twinkling; It is very likely that the drive is broken, and it can be replaced if there are conditions.

It may be that a lamp bead is broken, the judgment method can shorten a lamp bead to see if it is normal, if it is good to short a lamp bead, then it proves that the lamp bead is broken, and the lamp bead can be replaced if there is a condition, if it is a high-power lamp bead, it can be removed and replaced, if it is a patch lamp bead, it is more troublesome, either replace the lamp board, or scrap the entire lamp. 3.It's bright at first, but it's not so bright after a while; When the ceiling lamp flashes and flashes, the possibility of the drive being bad is relatively large, and the drive is broken and replaced directly.

It is also possible that a certain lamp bead is broken, and the treatment method refers to the previous article. 4.The lamp beads burned; In this situation, it can be seen that the wick of the lamp bead has turned black in appearance, and the cause of this situation may be that the heat dissipation is not good enough, and the lamp bead burns itself to death.

The quality of the lamp beads is unstable, maybe one (several) of the lamp beads is broken, resulting in a short circuit, and the voltage applied to the other lamp beads is too large and burns out. There is also an unstable power supply and excessive current. The treatment method refers to the lamp beads and power supply treatment methods in the above articles.

If the heat dissipation is not good, check whether the lamp board and the radiator have thermal conductive glue and whether the connection is intact.

Summary. 1. The problem of the lighting itself, in this case, just replace it with a new lamp.

2. If the connection of the line or lamp is not standardized, it will also cause the lamp to be lit for a while.

When it turns on and off, repair the wiring or lamps.

The chandelier at home is not lit, sometimes it is on for a while and then it is not lit.

1. The problem of the lighting itself, in this case, just replace it with a new lamp. 2. If the connection of the line or lamp is not standardized, it will also cause the situation that the lamp will be on and off, and the maintenance of the line or lamp will be difficult.

3. The voltage in the lighting circuit is unstable, and when the voltage fluctuates greatly, it will also cause the light to turn on and off, which often occurs during the period when the electricity load is relatively concentrated. In this case, Chang Zhongdan has to find a property to deal with.