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The display "P92" means that the system is protected against low voltage.
There are mainly the following reasons for this situation:
1. Where the connecting pipe is flat, it causes throttling.
2. P92 indicates pressure protection, and check whether the pressure protector of the outdoor unit is good.
3. Check whether the working pressure is normal, and the operating pressure of the refrigeration system is normal under normal conditions.
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The air conditioner is on well, it suddenly stops, it may be a sudden power failure, the time is very short, try to turn off and restart to see if it can run normally.
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The air conditioner turned on well and suddenly showed why the ninety-two type must be because the air conditioner was faulty, and there was no way to repair it in this case, so I could only find a professional maintenance personnel to see.
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First of all, check whether the indoor and outdoor fans of the air conditioner are rotating normally? It is best to clean up the dust on the filter screen of the indoor fan, or the dust on the fan of the outdoor unit.
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It should be a sudden shutdown caused by a machine failure, showing that 92 is a fault, indicating the location of the fault, you can check the location of the fault on the Internet after querying the brand, and then decide to repair.
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Check whether the voltage in your home is unstable, and whether the configuration of the air conditioning wiring in your home is reasonable, such as whether the socket, air switch, and wiring of the machine are loose and poorly contacted.
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error means wrong, you need a professional to take a look.
E4 indicates that the pressure is too low and the automatic protection function is that the copper pipe interface is not leaked during the installation process, and the installation unit can be retrieved to re-check.
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The air conditioner turned on well, and suddenly stopped the monitor to check it, and it will soon be found, which is very clear. Just follow the fault code to solve the cause.
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The indoor temperature sensor is broken, how can there be 92 degrees. You can change to a new temperature sensor and try it at boot.
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Generally, the air conditioner sensor is faulty.
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You have to find after-sales service for this. Even if you are a professional air conditioner, you have to check it to know what the problem is.
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This may be that the QMPH is broken, you can change the QOP to see.
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If the air conditioner is not working inside and out, there is a problem with the air conditioner.
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The temperature is not too low to cause not to run.
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The probable cause of the fault **94 is the phenomenon of the compressor protection device tripping.
Compressor overload protection will trip, indicating that the system is too high-pressure, the pressure is too high, or the overheating current is too high.
Causes and elimination of high pressure and overheating:
1. Too much refrigerant. Reduce the refrigeration dose appropriately.
2. Poor heat dissipation. Check the condenser pipe for dirt and dirt and clean the condenser.
3. The pipeline system is blocked. Refer to the pressure gauge to judge, eliminate, and re-process systematically.
4. Dust and fouling of the evaporator or filter screen. The airflow becomes smaller, the system pressure and temperature are unstable, and the evaporator or filter is cleaned.
5. Fluoride deficiency is also possible. When there is a lack of fluorine, the compressor discharge temperature will overheat, causing the overheating load protection switch to trip.
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- Is the air conditioner malfunctioning? With my 8 years of experience in repairing air conditioners, I will tell you how to solve these faults, which should save you a lot of detours.
When encountering a failure of the air conditioner, we must strictly follow the scientific procedures, and do not act blindly and disassemble at will when the situation is unclear, the fault is unclear, and there are countless in the heart. The consequence of this often amplifies existing faults, increases operating costs, shortens the normal service life of equipment, and leads to early scrapping of equipment.
The air conditioner is not refrigerated or does not refrigerate.
This problem is most common, and the lack of fluorine in air conditioners is the key.
When the machine is turned on, first touch the trachea and judge it by the temperature.
If it is cold, the speed of the fan may be low.
The inner tube scales and dust are cleaned or replaced.
If the inner tube is not considered cool, the thick tube may be flattened.
The return air temperature is not cool, and then touch the intake air to judge.
The air intake is cold and frosty, and fluoride is added to try again.
If the frost slowly disperses, it is a good decision to lack fluoride.
It is not difficult to see the aging of the press, and the lack of exhaust is the key.
Four-way gas is also commonly judged by fluoride collection.
High-pressure scales must be seen to be dirty, and they will be slow to refrigerate.
- Finally, I wish the work to go well, fix the air conditioner as soon as possible, and live a happy ———
- If you think it's good, please adopt the answer, give a good review, and wish you a better life———
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Clear it first before checking if the sensor is faulty.
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Is there a problem with the air conditioner.
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The water temperature of the engine is 92 degrees, not counting the high water temperature, and the temperature of the air conditioner drops, indicating that the cooling system is normal, and the table is not accurate.
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There are three reasons why the three models of Gree air conditioner show E5:
1. Gree fixed-frequency air conditioner displays E5 for low voltage protection.
2. Gree inverter air conditioner shows E5** as indoor and outdoor communication failure.
3. Gree split cabinet air conditioner shows E5 as low voltage protection and stall overcurrent protection.
Gree air conditioner shows the maintenance method of E5:
1. Check whether the voltage is too low, and suggest the user to install a voltage regulator.
2. Whether the external capacitor is damaged.
3. Whether the heat dissipation of the external unit is good, and whether the filter screen of the internal unit and the condenser of the external unit are too dirty.
4. If the control board fails, replace the control board.
Other reasons why Gree air conditioners may usually malfunction are:
1. If the voltage is too low, you can consider installing a voltage regulator.
2. The heat dissipation of the outdoor unit is poor, and the filter screen of the indoor unit and the condenser of the outdoor unit are too dirty.
3. Problems with external units or compressors.
4. If it has been repaired, there may be too much fluorine or air in the system.
5. The control board is faulty.
6. The compressor overcurrent caused by the outdoor temperature exceeding 38.
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The over-current protection fails, and workers need to come to the door.
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1. The meaning of Gree air conditioner display E5:
Gree fixed frequency air conditioner shows E5 stands for - low voltage protection (overcurrent protection).
2. The reasons that may usually arise are:
1.If the voltage is too low, consider installing a voltage regulator;
2.The heat dissipation of the outdoor unit is poor, and the filter screen of the indoor unit and the condenser of the outdoor unit are too dirty;
3.external capacitance or compressor problems;
4.If it has been repaired, there may be too much fluorine or air in the system;
5.The control board is faulty;
6.Compressor overcurrent caused by an outside temperature of more than 38.
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Gree air conditioner fault shows E5 low voltage overcurrent protection.
Common Fault Codes:
Gree air conditioner failure**.
E1 system high voltage protection.
E2 internal freeze protection.
E3 system low voltage protection.
E4 compressor exhaust protection.
E5 low-voltage overcurrent protection.
E6 communication failure.
E7 mode conflict.
E8 High Temperature Protection.
E9 cold wind protection.
In the 21st century, Gree air conditioner has entered the era of thousands of households, and some faults will often be encountered in the process of using Gree air conditioner, and the most direct way to judge the fault is to see what is displayed on the air conditioning display screen.
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Compressor overcurrent protection:
The condenser of the outdoor unit (that is, the fins of the outdoor unit) is too dirty, and it is solved after cleaning.
The voltage in the home is too low (lower than zhidao170v), and others do not use electricity in the morning or night, try it, if the voltage is low, install a voltage regulator to solve it.
Whether it has been repaired, it may be that there is too much fluorine or there is air in the system, release the excess fluorine or re-evacuate the fluoride to solve the problem If the system has not been repaired, this problem can not be considered.
The system has a gamble to find a professional repairer, clean the entire system with nitrogen, and then re-evacuate and add fluorine to solve the problem of the starting capacitor or the compressor itself, and find a professional maintenance person to solve it.
If there is a problem with the inductance part of the computer board, find a professional repairer to solve it.
If the natural ambient temperature exceeds 38 degrees Celsius, it may also cause the compressor to overflow, which is easiest at noon, better at night, and so on.
For details, please call us or make an appointment for maintenance.
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1. Gree**Air Conditioning Failure**Meaning:
e5--- Low voltage protection (overcurrent protection). At this time, the running indicator is off for 3s and flashes 5 times.
2. Causes and solutions to the problem:
A. The power supply voltage is lower than 187V, and the current air conditioners are all wide power supply designs, but if they are lower than this number, the air conditioners cannot be started. If the detection is due to voltage, it is recommended to add a voltage regulator.
b. The protection caused by the inner filter screen and the condenser of the outer unit is too dirty, it is recommended to clean it first;
c. The control board is faulty. Replace the control board.
If you don't know how to operate, you can call Gree after-sales service**.
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E5 is a low-voltage overcurrent protection, non-air conditioning problem, you need to contact the electrician to confirm whether the voltage in the line into the air conditioning meets the voltage required by the air conditioner (the required voltage of the air conditioner can be queried on the nameplate on the left side of the air conditioning indoor unit).
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E5 low-voltage overcurrent protection.
There are a number of possible reasons for this:
1. The power supply voltage is lower than 187V, and the current air conditioners are all wide power supply design, but if it is lower than this number, the air conditioner cannot be started.
2. The protection caused by the inner filter screen and the condenser of the external unit is too dirty, it is recommended to clean it first.
3. If the control board fails, replace the control board.
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If there is no special instructions, it is likely to be the fault code of the air compressor or overcurrent protection, it is recommended to check the official website or read the manual.
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You should be talking about es, check what it means in the instruction manual. If there is no manual, then please tell me about the brand and model of your air conditioner. If you want to compress the heating air conditioner, you can also check whether the reversing valve of the external unit is broken.
Hope it helps! Have fun every day!
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Low voltage protection (overcurrent protection). After the compressor is running, if the current is detected to be more than 6A for 3 consecutive seconds, the indicator flashes and shows E5.
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Overcurrent protection, possible causes:
1 There is a blockage in the system.
2 Poor heat dissipation of the condenser.
3 Too much refrigerant.
4 Voltage increases.
5 Motherboard fault misjudgment.
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The voltage is low, and the load in the grid is too large!
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The air conditioner produced in 92 has been too long, and there are potential safety hazards, so don't use it.
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