The abnormal display of "88888888" on the water meter screen and continuous flashing may be caused by the following reasons:

　　1. Display screen malfunctionThe display screen itself may malfunction, resulting in the inability to display information properly. This type of malfunction may be caused by aging, damage, or poor connection of the display screen.

　　2. Control board malfunctionThe control board is one of the core components of the water meter, responsible for controlling various functions. If the control board malfunctions, it may cause the display screen to malfunction. The control board malfunction may be caused by long-term use, circuit aging, or short circuits.

　　3. Power issueUnstable power supply or high/low voltage may affect the normal operation of the water meter, leading to flickering or abnormal display on the screen.

　　4. Sensor malfunctionSensors are responsible for detecting various parameters of the water meter, such as water temperature, water level, etc. If the sensor malfunctions, it may affect the normal operation of the water meter and cause abnormalities in the display screen.

　　5. Moisture proof failure, circuit board becomes dampPossible malfunction caused by moisture on the circuit board.

　　6. Software programming issuesPossible software programming issues.

　　7. Sensor malfunctionThe sensor installed on the water meter base has malfunctioned.

In response to the above situation, it is recommended to take the following measures:

·Check if the display screen is well connected and if there is any obvious damage or aging. If there is a problem with the display screen, it may be necessary to replace it with a new one.

·Check if the control board is faulty. If the control board is faulty, it may need to be repaired or replaced.

·Check if the power supply is stable and if there are any voltage issues.

·Check if the sensor is working properly. If the sensor malfunctions, it may need to be replaced.

·If you suspect moisture or software issues, contact the water meter manufacturer or professional maintenance personnel for inspection and repair.

If the above measures cannot solve the problem, it is recommended to contact the water meter manufacturer or professional maintenance personnel for further inspection and repair.