What are the common fault investigation and treatment methods for high and low temperature impact test boxes?
What are the common fault investigation and treatment methods for high-low temperature impact test boxes? As a high-precision, high-performance environmental testing equipment, the high-low temperature impact test box is relatively cumbersome due to the complexity of its own systems and technologies.
1.Interface shows: three to the power phase sequence fault View method:
1. Is the part of the three-phase power supply phase sequence fault displayed? Is it because the red indicator light is not shining?
Second, the three-phase power supply phase fault fault part is not for the red indicator light shine situation?
Approach:
First, this situation usually occurs when the device is first positioned or moved, and the part of the three-phase power supply and the two lines between the three lines can be reversed, because the reverse phase will form a reverse phase of the motor work.
Second, please check or inquire whether the power supply side is in a situation where the three-phase power supply is out of phase, and in the three lines of the three-phase power supply, there is a case where one line does not have electricity coming in; because if there is an out-of-phase condition, a motor will be formed. The acronym was burned because of excessive operating currents.
2. Interface shows: One yuan abnormal pressure
Check method:
First, the part of the one dollar pressure abnormalities is not for the red indicator light does not shine situation? This kind of situation has many reasons for the onset, please check one by one according to the following items:
1. Check why the water flow switch does not operate and maintain? The valves that enter the machine's circulating water into the drain are all closed. Do you see if the water flow switch has any action and maintenance?
2. Check if the cooling tower power is on?
3. Check if there is water in the cooling tower?
4. Is there any damage to the motor part of the cooling tower water pump? If there is a power supply and no action is taken, the motor is damaged.
5. Does the cooling tower have maintenance once every six months?
2. Is the part where one yuan pressure abnormality appeared? Is the red indicator light shining?
Approach:
First, the reasons for this kind of attack are very numerous, please clean up according to the following items:
1. If not, please tell us that the company will switch the flow!
2. Please turn on the cooling tower power!
3. Please check whether the cooling water tower replenishment system is in doubt. Is the water inlet part open?
4. Tell the hydropower line to replace the motor.
5. If not, please carry out maintenance, it is recommended to freeze outside to protect and clean!
Second, the comparison of this situation may not occur, if the attack, the one-piece pressure view switch may need to be replaced, please tell the company to replace
3. Interface Appearance: Binary Stress Abnormal
Check method:
One or two parts of the pressure abnormalities appear not to shine for the red indicator light? There are many reasons for this type of attack, please check one by one according to the following items:
1. Check why the water flow switch does not operate and maintain? The valves that enter the machine's circulating water into the drain are all closed. Do you see if the water flow switch has any action and maintenance?
2. Check if the cooling tower power is on?
3. Check if there is water in the cooling tower?
4. Is there any damage to the motor part of the cooling tower water pump? If there is a power supply and no action is taken, the motor is damaged.
5. Is the cooling tower one-year maintenance?
Second, the part of the dual pressure abnormalities is not for the red indicator light shining situation?
Approach:
First, the reasons for this kind of attack are numerous. Please clean up according to the following items:
1. If not, please tell us that the company will switch the flow!
2. Please turn on the cooling tower power!
3. Please check whether the cooling water tower replenishment system is in doubt. Is the water inlet part open?
4. Tell the hydropower line to replace the motor.
5. If not, please proceed with conservation. It is recommended to use a frozen line outside to clean and protect!
Second, the comparison may not occur, if the attack, the binary pressure of the view switch may need to replace, please tell the company to replace.
4. Interface shows: lack of circulating water pressure
Check method:
First, the part of the lack of circulating water pressure problems is not for the red indicator light does not shine situation? This is the reason for the onset of a very large number of events, please refer to the following items one by one:
1. Check the cooling tower power is not turned on?
2. Check if there is water in the cooling tower?
3. Is there any damage to the motor part of the cooling tower water pump? If the power supply is sent and no action is taken, it means that the motor is damaged. Does the cooling tower have maintenance once every six months?
Second, the lack of circulating water pressure is part of the problem is not for the red indicator light shine situation?
Approach:
First, the reasons for this kind of attack are very numerous, please clean up according to the following items:
1. Please turn on the cooling tower power supply!
2. Please check whether the cooling water tower replenishment system is in doubt. Is the water inlet part open?
3. Please tell the hydropower line to replace the motor.
4. If not, please proceed with conservation. It is recommended to freeze the outside to protect and clean!
Second, on behalf of this period of time, the following episodes of 1 and 2 have occurred. However, the fault signal is now automatically cleared.
5. Man-machine interface shows: overheating of heat storage area
Check method:
1. Is the part of the regenerator zone showing overheating problems bright for the red indicator light?
Second, whether the overheating problem in the heat storage area appears to be bright or red for the red indicator light. There are many reasons for such an attack. Please check one by one according to the following items:
1. Please check whether the overheating maintenance setting in the heat storage zone is 250°C.
2. Please check if the circulating motor in the heat storage zone is not working properly.
3. Please check the three-phase solid state power SSR is not a short circuit incineration? That is, in the case of no power transmission, use the three-hour meter Ohm file, take off RU, SV, TW resistance value, if a set of resistance Less than 50Ω, represents the solid state power SSR incineration short circuit
Approach:
First, the following episodes occurred, please follow the following methods to see the sweep.
Secondly, there are many reasons for the onset of this kind of situation. Please clean up according to the following items:
1. Please set the overheating maintenance setting value in the heat storage area at 250°C!
2. Please tell our customer service repair part and replace the motor!
3. Please tell us the customer service repair part to replace the three-phase solid state power SSR!
Q6. When the human-machine interface appears (cycle motor overload).
Check method:
1. Is the part of the regenerator zone showing overheating problems bright for the red indicator light?
Second, is the appearance of overheating problems in the heat storage area not lit for the red indicator light?
Approach:
First, the reason for this attack is relatively small, if this happens, there may be a motor over-current maintenance device (heat-recovery). Please tell the company to replace the over-current maintenance device.
2. Please check if the motor's over-current maintenance device (heat accumulation motor) is operating. Please install an over-current protector under the electromagnetic switch of the three motors in the computer room. Press the reset button to the next level. When you hear a click, it indicates that the motor under control is overloaded. However, this moment has also returned. At this moment, please set the current set point to 1.25 times the rated current of the motor.
7. When the human-machine interface appears (one-unit tightener overload).
Check method:
1. Is the part of the one-piece tightener overload displayed as if the red indicator light is shining?
2. Is the part of the one-piece tightener overload displayed? Is it because the red indicator light is not shining?
Approach:
First, the cause of this situation is relatively small, if this happens, there may be a tightening machine over current maintenance (mass fever) problems. Please tell the company to replace the over-current maintenance device.
2. Please check if the motor's over-current maintenance device (heat accumulation motor) is operating. Please install an over-current protector under the solenoid switch of the primary compressor in the computer room. The reverting button presses down, and when there is a click, it indicates that the one-unit compressor is overloaded, but this time it is also returned. At this moment, please set the current setting value to 1.25 times the rated current of the one-piece compressor.
3. Please follow the conditions of abnormal pressure (case 2). Because the timing of over-current and pressure is too high, it is almost always a question of poor heat dissipation from circulating water.
8. When the human-machine interface appears (binary compressor overload).
Check method:
Is the part of the I.P.2 contraction overload problem visible for the red indicator light?
2. Is the part of the dual-compacting machine's overload problem showing up as the red indicator light is not shining?
Approach:
First, the cause of this situation is relatively small, if this happens, there may be a tightening machine over current maintenance (mass fever) problems. Please tell the company to replace the over-current maintenance device.
2. Please check if the motor's over-current maintenance device (heat accumulation motor) is operating. Please install an over-current maintenance device under the solenoid switch of the Binary Compactor in the computer room. Pressing the button to the next level, you hear a click and it represents the overload of the Binary Compactor. However, it is also back at this moment. At this moment, please set the current setpoint to 1.25 times the rated current of the Binary Compactor.
3. Please follow the conditions of abnormal pressure (case 2). Because the timing of over-current and pressure is too high, it is simply a question of poor heat dissipation from circulating water.
9. When the human-machine interface appears (binary compressor overload).
Check method:
1. Is the part of the cold storage area showing overheating problems bright for the red indicator light?
Second, the cold storage area of ​​over-temperature problems is not part of the red indicator light is not shining situation? This kind of situation has many reasons for the onset, please check one by one according to the following items:
1. Please check whether the temperature setting in the cool storage area exceeds 120°C.
2. Please check whether the circulating motor in the cold storage zone is not working properly.
3. Please check the three-phase solid state power SSR is not a short circuit incineration? That is, in the case of no power transmission, use the three-hour meter ohm file, take off RU, SV, TW resistance value, if a set of resistance Less than 50Ω, represents the solid state power SSR incineration short circuit
Approach:
First, the following episodes occurred, please follow the following methods to see the sweep.
Secondly, there are many reasons for the onset of this kind of situation. Please clean up according to the following items:
1. Please set the overtemperature protection setting value in the cold storage zone to the position of 120°C!
2. Please tell our customer service repair part and replace the motor!
3. Please tell us the customer service repair part to replace the three-phase solid state power SSR!
10. When the human-machine interface appears (pressure source is abnormal).
Check method:
I. Is the part of the pressure source abnormal appearing as if the red indicator light is shining?
2. Is the part of the pressure source abnormal? Is it because the red indicator light is not shining?
Approach:
First, on behalf of the pressure of the previous attack pressure source is less than five kilograms, please check whether someone had previously turned off the air compressor power supply.
Second, please check the pressure source supply, because the situation is still maintained today
What are the common fault investigation and treatment methods for high-low temperature impact test boxes? As a high-precision, high-performance environmental testing equipment, the high-low temperature impact test box is relatively cumbersome due to the complexity of its own systems and technologies.
1.Interface shows: three to the power phase sequence fault View method:
1. Is the part of the three-phase power supply phase sequence fault displayed? Is it because the red indicator light is not shining?
Second, the three-phase power supply phase fault fault part is not for the red indicator light shine situation?
Approach:
First, this situation usually occurs when the device is first positioned or moved, and the part of the three-phase power supply and the two lines between the three lines can be reversed, because the reverse phase will form a reverse phase of the motor work.
Second, please check or inquire whether the power supply side is in a situation where the three-phase power supply is out of phase, and in the three lines of the three-phase power supply, there is a case where one line does not have electricity coming in; because if there is an out-of-phase condition, a motor will be formed. The acronym was burned because of excessive operating currents.
2. Interface shows: One yuan abnormal pressure
Check method:
First, the part of the one dollar pressure abnormalities is not for the red indicator light does not shine situation? This kind of situation has many reasons for the onset, please check one by one according to the following items:
1. Check why the water flow switch does not operate and maintain? The valves that enter the machine's circulating water into the drain are all closed. Do you see if the water flow switch has any action and maintenance?
2. Check if the cooling tower power is on?
3. Check if there is water in the cooling tower?
4. Is there any damage to the motor part of the cooling tower water pump? If there is a power supply and no action is taken, the motor is damaged.
5. Does the cooling tower have maintenance once every six months?
2. Is the part where one yuan pressure abnormality appeared? Is the red indicator light shining?
Approach:
First, the reasons for this kind of attack are very numerous, please clean up according to the following items:
1. If not, please tell us that the company will switch the flow!
2. Please turn on the cooling tower power!
3. Please check whether the cooling water tower replenishment system is in doubt. Is the water inlet part open?
4. Tell the hydropower line to replace the motor.
5. If not, please carry out maintenance, it is recommended to freeze outside to protect and clean!
Second, the comparison of this situation may not occur, if the attack, the one-piece pressure view switch may need to be replaced, please tell the company to replace
3. Interface Appearance: Binary Stress Abnormal
Check method:
One or two parts of the pressure abnormalities appear not to shine for the red indicator light? There are many reasons for this type of attack, please check one by one according to the following items:
1. Check why the water flow switch does not operate and maintain? The valves that enter the machine's circulating water into the drain are all closed. Do you see if the water flow switch has any action and maintenance?
2. Check if the cooling tower power is on?
3. Check if there is water in the cooling tower?
4. Is there any damage to the motor part of the cooling tower water pump? If there is a power supply and no action is taken, the motor is damaged.
5. Is the cooling tower one-year maintenance?
Second, the part of the dual pressure abnormalities is not for the red indicator light shining situation?
Approach:
First, the reasons for this kind of attack are numerous. Please clean up according to the following items:
1. If not, please tell us that the company will switch the flow!
2. Please turn on the cooling tower power!
3. Please check whether the cooling water tower replenishment system is in doubt. Is the water inlet part open?
4. Tell the hydropower line to replace the motor.
5. If not, please proceed with conservation. It is recommended to use a frozen line outside to clean and protect!
Second, the comparison may not occur, if the attack, the binary pressure of the view switch may need to replace, please tell the company to replace.
4. Interface shows: lack of circulating water pressure
Check method:
First, the part of the lack of circulating water pressure problems is not for the red indicator light does not shine situation? This is the reason for the onset of a very large number of events, please refer to the following items one by one:
1. Check the cooling tower power is not turned on?
2. Check if there is water in the cooling tower?
3. Is there any damage to the motor part of the cooling tower water pump? If the power supply is sent and no action is taken, it means that the motor is damaged. Does the cooling tower have maintenance once every six months?
Second, the lack of circulating water pressure is part of the problem is not for the red indicator light shine situation?
Approach:
First, the reasons for this kind of attack are very numerous, please clean up according to the following items:
1. Please turn on the cooling tower power supply!
2. Please check whether the cooling water tower replenishment system is in doubt. Is the water inlet part open?
3. Please tell the hydropower line to replace the motor.
4. If not, please proceed with conservation. It is recommended to freeze the outside to protect and clean!
Second, on behalf of this period of time, the following episodes of 1 and 2 have occurred. However, the fault signal is now automatically cleared.
5. Man-machine interface shows: overheating of heat storage area
Check method:
1. Is the part of the regenerator zone showing overheating problems bright for the red indicator light?
Second, whether the overheating problem in the heat storage area appears to be bright or red for the red indicator light. There are many reasons for such an attack. Please check one by one according to the following items:
1. Please check whether the overheating maintenance setting in the heat storage zone is 250°C.
2. Please check if the circulating motor in the heat storage zone is not working properly.
3. Please check the three-phase solid state power SSR is not a short circuit incineration? That is, in the case of no power transmission, use the three-hour meter Ohm file, take off RU, SV, TW resistance value, if a set of resistance Less than 50Ω, represents the solid state power SSR incineration short circuit
Approach:
First, the following episodes occurred, please follow the following methods to see the sweep.
Secondly, there are many reasons for the onset of this kind of situation. Please clean up according to the following items:
1. Please set the overheating maintenance setting value in the heat storage area at 250°C!
2. Please tell our customer service repair part and replace the motor!
3. Please tell us the customer service repair part to replace the three-phase solid state power SSR!
Q6. When the human-machine interface appears (cycle motor overload).
Check method:
1. Is the part of the regenerator zone showing overheating problems bright for the red indicator light?
Second, is the appearance of overheating problems in the heat storage area not lit for the red indicator light?
Approach:
First, the reason for this attack is relatively small, if this happens, there may be a motor over-current maintenance device (heat-recovery). Please tell the company to replace the over-current maintenance device.
2. Please check if the motor's over-current maintenance device (heat accumulation motor) is operating. Please install an over-current protector under the electromagnetic switch of the three motors in the computer room. Press the reset button to the next level. When you hear a click, it indicates that the motor under control is overloaded. However, this moment has also returned. At this moment, please set the current set point to 1.25 times the rated current of the motor.
7. When the human-machine interface appears (one-unit tightener overload).
Check method:
1. Is the part of the one-piece tightener overload displayed as if the red indicator light is shining?
2. Is the part of the one-piece tightener overload displayed? Is it because the red indicator light is not shining?
Approach:
First, the cause of this situation is relatively small, if this happens, there may be a tightening machine over current maintenance (mass fever) problems. Please tell the company to replace the over-current maintenance device.
2. Please check if the motor's over-current maintenance device (heat accumulation motor) is operating. Please install an over-current protector under the solenoid switch of the primary compressor in the computer room. The reverting button presses down, and when there is a click, it indicates that the one-unit compressor is overloaded, but this time it is also returned. At this moment, please set the current setting value to 1.25 times the rated current of the one-piece compressor.
3. Please follow the conditions of abnormal pressure (case 2). Because the timing of over-current and pressure is too high, it is almost always a question of poor heat dissipation from circulating water.
8. When the human-machine interface appears (binary compressor overload).
Check method:
Is the part of the I.P.2 contraction overload problem visible for the red indicator light?
2. Is the part of the dual-compacting machine's overload problem showing up as the red indicator light is not shining?
Approach:
First, the cause of this situation is relatively small, if this happens, there may be a tightening machine over current maintenance (mass fever) problems. Please tell the company to replace the over-current maintenance device.
2. Please check if the motor's over-current maintenance device (heat accumulation motor) is operating. Please install an over-current maintenance device under the solenoid switch of the Binary Compactor in the computer room. Pressing the button to the next level, you hear a click and it represents the overload of the Binary Compactor. However, it is also back at this moment. At this moment, please set the current setpoint to 1.25 times the rated current of the Binary Compactor.
3. Please follow the conditions of abnormal pressure (case 2). Because the timing of over-current and pressure is too high, it is simply a question of poor heat dissipation from circulating water.
9. When the human-machine interface appears (binary compressor overload).
Check method:
1. Is the part of the cold storage area showing overheating problems bright for the red indicator light?
Second, the cold storage area of ​​over-temperature problems is not part of the red indicator light is not shining situation? This kind of situation has many reasons for the onset, please check one by one according to the following items:
1. Please check whether the temperature setting in the cool storage area exceeds 120°C.
2. Please check whether the circulating motor in the cold storage zone is not working properly.
3. Please check the three-phase solid state power SSR is not a short circuit incineration? That is, in the case of no power transmission, use the three-hour meter ohm file, take off RU, SV, TW resistance value, if a set of resistance Less than 50Ω, represents the solid state power SSR incineration short circuit
Approach:
First, the following episodes occurred, please follow the following methods to see the sweep.
Secondly, there are many reasons for the onset of this kind of situation. Please clean up according to the following items:
1. Please set the overtemperature protection setting value in the cold storage zone to the position of 120°C!
2. Please tell our customer service repair part and replace the motor!
3. Please tell us the customer service repair part to replace the three-phase solid state power SSR!
10. When the human-machine interface appears (pressure source is abnormal).
Check method:
I. Is the part of the pressure source abnormal appearing as if the red indicator light is shining?
2. Is the part of the pressure source abnormal? Is it because the red indicator light is not shining?
Approach:
First, on behalf of the pressure of the previous attack pressure source is less than five kilograms, please check whether someone had previously turned off the air compressor power supply.
Second, please check the pressure source supply, because the situation is still maintained today
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