1. Due to the long-term use of the ventilation pipe at high temperature, it is very easy to age and crack. Once any problem is found, it should be timely Replace it to avoid water leakage, causing excessive water temperature and deformation of the engine cylinder head.
2. [Pacific Automobile Network] The function of the BMW hot air power pump is to connect the radiator in the fan heater to the engine circulating water through the in/outlet pipeline. The water valve is the switch. When the water valve is opened, the waterway is connected, the engine circulating water enters the radiator, and the fan blows the heat into the driver's room. On the contrary, the water The valve is closed, and the warm air does not work.
3. Generally, if it is for a small car, the effect of 12V on-board electric heater is not bad, but if it is for large trucks, the effect of using 12V on-board electric heater may not be so good. Whether the car fan heater damages the battery depends on the owner's use of the car fan heater.
4. The electric heater is an electric heating wire through the heating body, which is worn in the quartz tube, which can play a good role in support, protection and heating.The characteristic of the electric heater is that the heat is emitted more evenly, and the operation is quiet and the noise is low. It has good heat storage effect and is suitable for families with elderly and children. The heat distribution is uniform and the thermal conductivity is excellent.
5. The fan heater is a kind of electric heater. It can achieve the heating effect by blowing hot air. It is small and easy to carry, so you can carry it anywhere you need it to increase the temperature of the room.
6. The blower is equivalent to the fan in the car, and the wind blows out every day. The evaporator is equivalent to a large piece of ice in front of the fan. As soon as the wind blows through the fan, it turns into a cold wind. The fan heater is equivalent to a large plate of hot water in front of the fan. As soon as the wind blows through the fan, it becomes a wind that blows out.
Warm air is the heat generated when the engine is working. When the cooling system of the engine dissipates heat to the engine, the heat emitted is sent into the car through the fan to form warm air; when the warm air is not used, the fan stops turning, the hot air outlet is closed, and the heat emitted will be completely dissipated into the atmosphere.
Car warm air working fieldReason: Adjust the circulation mode of the air conditioner to the in-car circulation. If you feel that the air in the car is a little turbid and the oxygen content is reduced, you can adjust it to the external circulation.
The warm air is the heat generated when the engine is working: when the engine's cooling system dissipates the engine, the heat emitted is sent into the car through the fan to form warm air. When the warm air is not used, the fan stops turning, the hot air outlet is closed, and the heat emitted will be completely dissipated into the atmosphere.
1. Reason: Check whether the connection plug of the heater cable is loose, method. Find the plug and unplug it several times. At the same time, the nutrients that come into contact with the headpiece will be rubbed off to achieve good contact.Check whether the fan heater fuse (piece) is hot and deformed, resulting in poor contact. Whether the contact fan heater relay is good or loose.
2. Check whether the connection plug of the fan heater cable is loose, method. Find the plug and unplug it several times. At the same time, the nutrients that come into contact with the headpiece will be rubbed off to achieve good contact. Check whether the fan heater fuse (piece) is hot and deformed, resulting in poor contact.
3. Whether the contact fan heater relay is good or loose, the problem is relatively serious, the air heater motor bearing. Sleeve wear causes friction between the rotor and the stator, but the possibility is relatively small. 2 items should be checked first, and if not, the 4th item should be checked. The problem will definitely be solved.
4. The reasons are as follows: the warm air switch of the vehicle is faulty; the air conditioner filter is too dirty to produce air;The fan heater failed; the engine thermoster was damaged; the antifreeze was missing; the antifreeze needed to be replaced during the replacement cycle; the antifreeze circulation pipeline of the vehicle was blocked.
Check whether the engine coolant is missing. If so, just add the coolant. Check whether the thermostor is damaged or open frequently. If the thermost is damaged, the thermos should be replaced. The working principle of this heat exchanger device is to install a heat exchanger on the exhaust pipe of the engine to heat the air.
Blyer or heater? If it is a blower, it is recommended to check whether the fuse relay and plug are falsely connected. If there is no wind in the 123rd gear and only the 4th gear has wind, please replace the blower resistor.
The reasons why the car fan heater does not turn are as follows: 1 The fan heater fuse is broken, replace the fuse, 2 the relay of the car blower is broken, please replace it. 3 The car blower is broken and stuck. Replace or clean it. 4 The control switch of the air conditioner fan itself is faulty.
The third gear has electricity to the motor, while the first and second gears do not have electricity to the motor, so the phenomenon that the first and second gears do not turn. Of course, there is also a possibility of circuit breakage in the first and second gears of the warm air motor, and there is also a possibility of wind gear switch failure, but the chance is very small.
Reason: Check whether the connection plug of the fan heater cable is loose, method. Find the plug and unplug it several times. At the same time, the nutrients that come into contact with the headpiece will be rubbed off to achieve good contact. Check whether the fan heater fuse (piece) is hot and deformed, resulting in poor contact.Whether the contact fan heater relay is good or loose.
Check whether the connection plug of the fan heater cable is loose, method. Find the plug and unplug it several times. At the same time, the nutrients that come into contact with the headpiece will be rubbed off to achieve good contact. Check whether the fan heater fuse (piece) is hot and deformed, resulting in poor contact.
If there is a strange sound when the warm air is turned on when the car is cold in winter, when the water temperature is normal, the abnormal sound disappears, which is likely to be due to lack of oil in the air heater motor. Solution: Disassemble and clean the fan heater, and add some oil to it. Some models are a normal phenomenon, because of the heat expansion and cold shrinkage of plastic.
The fan bearing lacks oil, and poor lubrication will lead to noise. When you encounter this method, you only need to disassemble the bearing and add some grease for lubrication;There is a foreign body in the blower, resulting in obvious abnormal noise during operation.
There is a strange sound when the car turns on the warm air, which may be that there is a foreign object on the fan heater that causes the blade to rotate and produce a strange sound. It may also be a lack of lubrication or damage to the fan bearing. At the same time, it may also be the resonance caused by the hardening and brittleness of plastic parts caused by low temperature.
This is the abnormal noise of the blower. The abnormal noise of the blower is usually caused by poor bearing lubrication and foreign matter in the blower. If the blower bearing is not lubricated for a long time, abnormal noise will occur. The solution is very simple. Just add some lubricating oil or grease to the bearing.
Causes and solutions for the loud noise of car air conditioners: The leaves of the exhaust fan in the air conditioner are deformed, and it is recommended to replace the exhaust fan. The motor of the exhaust fan in the air conditioner is damaged. It is recommended to replace the exhaust fan.There are a lot of stolen goods in the air conditioner, resulting in inflexible rotation of the fan blades. It is recommended to clean the air conditioner.
Solution: Disassemble and clean the fan heater and add some oil to it. Some models are a normal phenomenon, because of the heat expansion and cold shrinkage of plastic. If there is still a strange sound after the water temperature is normal, it means that there is something wrong. The most common situation is that there is an abnormality in the blower. Solution: Replace the blower.
*
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1. Due to the long-term use of the ventilation pipe at high temperature, it is very easy to age and crack. Once any problem is found, it should be timely Replace it to avoid water leakage, causing excessive water temperature and deformation of the engine cylinder head.
2. [Pacific Automobile Network] The function of the BMW hot air power pump is to connect the radiator in the fan heater to the engine circulating water through the in/outlet pipeline. The water valve is the switch. When the water valve is opened, the waterway is connected, the engine circulating water enters the radiator, and the fan blows the heat into the driver's room. On the contrary, the water The valve is closed, and the warm air does not work.
3. Generally, if it is for a small car, the effect of 12V on-board electric heater is not bad, but if it is for large trucks, the effect of using 12V on-board electric heater may not be so good. Whether the car fan heater damages the battery depends on the owner's use of the car fan heater.
4. The electric heater is an electric heating wire through the heating body, which is worn in the quartz tube, which can play a good role in support, protection and heating.The characteristic of the electric heater is that the heat is emitted more evenly, and the operation is quiet and the noise is low. It has good heat storage effect and is suitable for families with elderly and children. The heat distribution is uniform and the thermal conductivity is excellent.
5. The fan heater is a kind of electric heater. It can achieve the heating effect by blowing hot air. It is small and easy to carry, so you can carry it anywhere you need it to increase the temperature of the room.
6. The blower is equivalent to the fan in the car, and the wind blows out every day. The evaporator is equivalent to a large piece of ice in front of the fan. As soon as the wind blows through the fan, it turns into a cold wind. The fan heater is equivalent to a large plate of hot water in front of the fan. As soon as the wind blows through the fan, it becomes a wind that blows out.
Warm air is the heat generated when the engine is working. When the cooling system of the engine dissipates heat to the engine, the heat emitted is sent into the car through the fan to form warm air; when the warm air is not used, the fan stops turning, the hot air outlet is closed, and the heat emitted will be completely dissipated into the atmosphere.
Car warm air working fieldReason: Adjust the circulation mode of the air conditioner to the in-car circulation. If you feel that the air in the car is a little turbid and the oxygen content is reduced, you can adjust it to the external circulation.
The warm air is the heat generated when the engine is working: when the engine's cooling system dissipates the engine, the heat emitted is sent into the car through the fan to form warm air. When the warm air is not used, the fan stops turning, the hot air outlet is closed, and the heat emitted will be completely dissipated into the atmosphere.
1. Reason: Check whether the connection plug of the heater cable is loose, method. Find the plug and unplug it several times. At the same time, the nutrients that come into contact with the headpiece will be rubbed off to achieve good contact.Check whether the fan heater fuse (piece) is hot and deformed, resulting in poor contact. Whether the contact fan heater relay is good or loose.
2. Check whether the connection plug of the fan heater cable is loose, method. Find the plug and unplug it several times. At the same time, the nutrients that come into contact with the headpiece will be rubbed off to achieve good contact. Check whether the fan heater fuse (piece) is hot and deformed, resulting in poor contact.
3. Whether the contact fan heater relay is good or loose, the problem is relatively serious, the air heater motor bearing. Sleeve wear causes friction between the rotor and the stator, but the possibility is relatively small. 2 items should be checked first, and if not, the 4th item should be checked. The problem will definitely be solved.
4. The reasons are as follows: the warm air switch of the vehicle is faulty; the air conditioner filter is too dirty to produce air;The fan heater failed; the engine thermoster was damaged; the antifreeze was missing; the antifreeze needed to be replaced during the replacement cycle; the antifreeze circulation pipeline of the vehicle was blocked.
Check whether the engine coolant is missing. If so, just add the coolant. Check whether the thermostor is damaged or open frequently. If the thermost is damaged, the thermos should be replaced. The working principle of this heat exchanger device is to install a heat exchanger on the exhaust pipe of the engine to heat the air.
Blyer or heater? If it is a blower, it is recommended to check whether the fuse relay and plug are falsely connected. If there is no wind in the 123rd gear and only the 4th gear has wind, please replace the blower resistor.
The reasons why the car fan heater does not turn are as follows: 1 The fan heater fuse is broken, replace the fuse, 2 the relay of the car blower is broken, please replace it. 3 The car blower is broken and stuck. Replace or clean it. 4 The control switch of the air conditioner fan itself is faulty.
The third gear has electricity to the motor, while the first and second gears do not have electricity to the motor, so the phenomenon that the first and second gears do not turn. Of course, there is also a possibility of circuit breakage in the first and second gears of the warm air motor, and there is also a possibility of wind gear switch failure, but the chance is very small.
Reason: Check whether the connection plug of the fan heater cable is loose, method. Find the plug and unplug it several times. At the same time, the nutrients that come into contact with the headpiece will be rubbed off to achieve good contact. Check whether the fan heater fuse (piece) is hot and deformed, resulting in poor contact.Whether the contact fan heater relay is good or loose.
Check whether the connection plug of the fan heater cable is loose, method. Find the plug and unplug it several times. At the same time, the nutrients that come into contact with the headpiece will be rubbed off to achieve good contact. Check whether the fan heater fuse (piece) is hot and deformed, resulting in poor contact.
If there is a strange sound when the warm air is turned on when the car is cold in winter, when the water temperature is normal, the abnormal sound disappears, which is likely to be due to lack of oil in the air heater motor. Solution: Disassemble and clean the fan heater, and add some oil to it. Some models are a normal phenomenon, because of the heat expansion and cold shrinkage of plastic.
The fan bearing lacks oil, and poor lubrication will lead to noise. When you encounter this method, you only need to disassemble the bearing and add some grease for lubrication;There is a foreign body in the blower, resulting in obvious abnormal noise during operation.
There is a strange sound when the car turns on the warm air, which may be that there is a foreign object on the fan heater that causes the blade to rotate and produce a strange sound. It may also be a lack of lubrication or damage to the fan bearing. At the same time, it may also be the resonance caused by the hardening and brittleness of plastic parts caused by low temperature.
This is the abnormal noise of the blower. The abnormal noise of the blower is usually caused by poor bearing lubrication and foreign matter in the blower. If the blower bearing is not lubricated for a long time, abnormal noise will occur. The solution is very simple. Just add some lubricating oil or grease to the bearing.
Causes and solutions for the loud noise of car air conditioners: The leaves of the exhaust fan in the air conditioner are deformed, and it is recommended to replace the exhaust fan. The motor of the exhaust fan in the air conditioner is damaged. It is recommended to replace the exhaust fan.There are a lot of stolen goods in the air conditioner, resulting in inflexible rotation of the fan blades. It is recommended to clean the air conditioner.
Solution: Disassemble and clean the fan heater and add some oil to it. Some models are a normal phenomenon, because of the heat expansion and cold shrinkage of plastic. If there is still a strange sound after the water temperature is normal, it means that there is something wrong. The most common situation is that there is an abnormality in the blower. Solution: Replace the blower.
*How to use data for HS code classification
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